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Jennife Rodriguez
Study Stack 2 Anatomy Week 6-12
| Question | Answer |
|---|---|
| Term used to describe a muscle that directly performs a specific movement | Agonist |
| The individual muscle fibers are covered by a connective tissue membrane called the | endomysium |
| What three muscles move the forearm? | brachioradialis, pronator teres, and biceps brachii |
| Muscles that move the wrist, hand, and fingers can be | extrinsic or intrinsic |
| The biceps brachii has this fascicle arrangement, which maximizes the range of motion possible. | parallel |
| The point of attachment that does not move when the muscle contracts is the | origin |
| The common tendon of the gastrocnemius and soleus is called the | calcaneal tendon |
| The most common type of lever in the body is a ____-class lever. | Third |
| Approximately what percentage of our body weight constitute skeletal muscles? | 50% |
| Which of the statements are true: The origin of the muscle is attached to the bone that does not move. The insertion of the muscle is attached to the bone that moves. When the muscle contracts, the insertion moves toward the origin. | All are true |
| A neuron that transmits a nerve impulse toward the central nervous system is called a(n) | sensory neuron |
| What is white matter of the nervous system is made up of: | myelinated fibers |
| The autonomic nervous system stimulates which of the following: skeletal muscles smooth muscles glands cardiac muscles | smooth muscles, glands, and cardiac muscle |
| The afferent pathways of the autonomic nervous system does what? a. stimulate the fight-or-flight response b. maintain normal resting activity. c. carry feedback information to integrating centers in the brain. | C |
| Dendrites conduct impulses _____ cell bodies. | toward |
| The nervous system is organized to do which of the following? A. Detect changes in the external environment. B. Detect changes in the internal environment. C. Evaluate changes in the environment. D. All of the above are true. | D |
| The efferent pathways of the autonomic nervous system consist of the ________ nervous systems. | Sympathetic and parasympathetic |
| Interneurons reside in the: | CNS only |
| T or F: The lymphatic system, like the circulatory system, is a closed circuit. | False |
| Small distinct regions of gray matter in the CNS are called: | Nuclei |
| The phrenic nerve is found in the _____ plexus. | cervical |
| The sensory cranial nerves include only the: | olfactory, optic, and vestibulocochlear. |
| T or F: Axon terminals that secrete acetylcholine are called cholinergic terminals. | True |
| The layer of the meninges that serves as the inner periosteum of the cranial bone is the: | dura mater |
| Cerebrospinal fluid circulates through the ventricles, into the central canal, and _____, and is absorbed back into the blood. | subarachnoid space |
| The main divisions of the central nervous system are the: | brain and spinalcord |
| The brain has _____ major divisions. | six |
| T of F: Visceral effectors are innervated by sympathetic fibers. | True |
| T of F: Sensory neurons can operate in autonomic reflex arcs. | True |
| T of F: Some parasympathetic postganglionic neurons have their cell bodies in nuclei in the brainstem. | False |
| The spinal ganglion can be found on the _____ of the spinal nerve. | dorsal nerve root |
| Endocrine gland of the thorax that is also important in immune function. | Thymus gland |
| Which of the following endocrine glands develops primarily from the endoderm of the pharynx? | thyroid and parathyroids |
| Pancreatic cell type that produces insulin. | beta cells |
| Which endocrine gland stores enough of its hormone extracellularly to last several months? | the thyroid gland |
| Gel-like structure embedded with the tips of cochlear hair cells. | tectorial membrane |
| Hormone that inhibits osteoclast activity in children. | calcitonin |
| Which of the following is not part of the flow of taste sensation along the gustatory pathway to the cerebral cortex? A. hypothalamic appetite centers B. vagus nerve C. solitary nucleus of the medulla oblongata D. thalamic nuclei | A |
| Pyramid-shaped gland consisting of neural crest-derived cells and endocrine secretory cells. | adrenal gland |
| Transparent structure of the eye containing regularly aligned collagen fibers. | cornea |
| The structure referred to as the pacemaker of the heart is(are) the: | SA node |
| Which types of arteries are also called conducting arteries and include the aorta? | elastic arteries |
| Which of the following is a formed element found in the blood? A. red blood cell B. white blood cell C. plasma D. platelet | a, b, and d |
| The term blood type refers to the type of blood cell | antigen |
| The outermost layer of the larger blood vessels is the tunica is called what? | adventitia |
| The four structures that compose the conduction system of the heart are what? | SA node, AV node, AV bundle, and Purkinje fibers. |
| After blood leaves the lungs and returns to the heart, it enters the: a. right atrium. b. left atrium. c. right ventricle. d. left ventricle. | B |
| The molecule that makes up 95% of the dry weight of each red blood cell and is responsible for the red pigment is: | hemoglobin |
| The heart has its own special covering, a loose-fitting inextensible sac called the | pericardium |
| Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a | germinal center |
| The size of lymph nodes varies from _____ mm to more than _____ mm in diameter. | 1; 20 |
| Lymph ducts empty into the circulatory system, draining into the: | subclavian veins |
| Antibodies are proteins of the family called | immunoglobulins |
| What are lacteals? | They are the lymphatics in the villi of the small intestines and they are able to absorb fat from the digestive system. |
| Lymph capillaries called lacteals are located in the: | small intestine |
| Interferon inhibits the spread of what? | viruses and bacteria |
| Where is the spleen located in? | left hypochondriac region |
| Hassall corpuscles are part of the: | thymus |
| The main difference between the composition of lymph and interstitial fluid and the composition of plasma is the _____ percentage of _____ in lymph and interstitial fluid. | lower; proteins |
| Which of the following is not a lymph organ? a. Thymus b. Spleen c. Pancreas d. Tonsils | pancreas |
| A type of blood cell produced by lymph nodes is called a(n) | monocyte |
| The respiratory system can be divided into what two parts? | lower and upper respiratory tract |
| The upper respiratory tract includes all of the following structures except the: a. larynx. b. trachea. c. oropharynx. d. nasopharynx. | B. trachea |
| The anatomical division of the pharynx that is located behind the mouth from the soft palate above to the level of the hyoid bone below is called the: | oropharynx |
| The structures that deflect air as it passes through the nose are called: | conchae |
| The largest of the paranasal sinuses is the: | maxillary |
| The approximate length of the trachea, or windpipe, is _____ cm. | 11 |
| The total number of lobes in both lungs is: | 5 |
| What is the correct sequence of air as it passes through the nose into the pharynx? | Anterior nares vestibule inferior, middle, and superior meatus posterior nares |
| The small, leaf-shaped cartilage behind the tongue and hyoid bone is the: | epiglottis |
| The lower border of the cavity of the larynx is formed by the: | cricoid cartilage |
| The divisions of the thoracic cavity include all of the following except the: a. left pleural cavity. b. right pleural cavity. c. respiratory cavity. d. mediastinum. | C respiratory cavity |
| Molecules are: atoms combined to form larger chemical aggregates. electrons orbiting nuclei. a complex of electrons arranged in concentric shells. composed of cellular organelles. | atoms combined to form larger chemical aggregates. |
| The mediastinum contains all of the following except the: trachea. venae cavae. right lung. esophagus. | right lung |
| Two major cavities of the human body are: ventral/dorsal. inferior/superior. visceral/parietal. axial/appendicular. | ventral/dorsal |
| The structure that is called the “powerhouse” of the cell is the: cytoplasm. endoplasmic reticulum. mitochondria. Golgi apparatus. | mitrochondria |
| A plane through the body that divides the body into right and left sides is called: sagittal. frontal. coronal. transverse. | sagittal |
| The abdominal quadrants are located with what structure as their midpoint? Umbilicus Pubic bone Xiphoid process Iliac crest | umbilicus |
| Mitochondria, Golgi apparatus, and endoplasmic reticulum are examples of: molecules. cytoplasm. organelles. plasma membranes. | organelles |
| The number of abdominal regions is: three. five. seven. nine. | 9 |
| The brain is ______ as compared to the skull deep lateral superficial supinated | deep |
| What is the anatomical direction term that means nearer the surface? Deep Distal Proximal Superficial | superficial |
| The atomic number of carbon is 6. How many unpaired electrons are in its outer shell? Two Three Four Five | Four |
| An example of a catabolic process is: hydrolysis. dehydration synthesis. formation of a peptide bond. both B and C. | hydrolysis |
| Which of the following represents a trace element in the body? Sulfur Chlorine Iron Phosphorus | Iron |
| Substances that accept hydrogen ions are called: acids. bases. buffers. salts. | bases |
| An example of an element would be: Ne. CO2. C6H12O6. H2O. | Ne |
| A negatively charged subatomic particle that moves around the nucleus is a(n): orbital. proton. neutron. electron. | electron |
| When atoms combine, they may gain, lose, or share: electrons. protons. neutrons. nuclei. | electrons |
| The study of metabolism includes examination of: catabolism. anabolism. ATP requirements. all of the above. | all of the above |
| A solution that contains a greater concentration of hydroxide ions (OH–) than hydrogen ions (H+) is a(n) _____ solution. acidic alkaline (basic) neutral Not enough information is given to determine the character of the solution. | alkaline basic |
| The formation of sucrose involves the removal of a molecule of water. This is called: hydrolysis. oxidation. decomposition. dehydration synthesis. | dehydration synthesis |
| The presence of which substance in the cell membrane keeps it from breaking too easily? Cholesterol Protein Phospholipids Glycoproteins | cholesterol |
| Lysosomes perform autophagy. This means that they: break down proteins and cytoplasm that are not needed by “self eating.” are the protein-destroying organelle in the cell. synthesize ATP. provide an internal supporting framework. | break down proteins and cytoplasm that are not needed by “self eating.” |
| The barrier function of the plasma membrane is accomplished by the: receptor proteins. glycoproteins. rafts in the cell membrane. phospholipid bilayer. | phospholipid bilayer |
| The cell extension that contains microfilaments is called: microvilli. flagella. cilia. All cell extensions contain microfilaments. | microvilli |
| Which of the following is not a function of the smooth endoplasmic reticulum? Provides a site for ribosome attachment Supplies membrane for use throughout the cell Makes steroid hormones Makes glycoproteins | Provides a site for ribosome attachment |
| The ____ is often called the microtubule organizing center. centrosome cytoskeleton centriole ribosome | centrosome |
| DNA is a major constituent of which cell organelle? Lysosome Ribosome Chromosome Nucleus | Nucleus |
| Which organelles consist of vesicles that have pinched off from the Golgi apparatus? Mitochondria Cilia Peroxisomes Lysosomes | Lysosomes |
| Damage to the centrosome and centrioles in a cell would have the greatest impact on which cell function? Energy production Protein synthesis Cell division Synthesis of lipids and carbohydrates | Cell division |
| A specialized cell structure that propels the sperm is the: flagellum. cilium. microvillus. microtubule. | flagellum |
| The two main layers that compose the skin are the dermis and superficial fascia. subcutaneous. epidermis. hypodermis. | epidermis |
| The mixed secretions of sebaceous and ceruminous glands form a brown waxy substance called the sebum. keratin. melanin. cerumen. | cerumen |
| Each hair follicle has a small bundle of involuntary muscles attached to it called the smooth muscle layer. microvilli. arrector pili muscle. dermal papillae. | arrector pili muscle |
| Cells in a tissue are surrounded by or embedded in a complex extracellular material called a membrane. matrix. cytoplasm. lymph. | matrix |
| The dermis is composed of two layers, a thin papillary layer and a thick _____ layer. reticular epidermal muscle connective tissue | reticular |
| The basic determinant of skin color is keratin. mucus. melanin. tyrosine. | melanin |
| Which principal type of tissue covers and protects body surfaces and lines body cavities? nervous connective epithelial muscle | epithelial |
| The union of basal and fibroreticular laminae forms the epithelial membrane. serous membrane. interstitial membrane. basement membrane. | basement membrane |
| Mesoderm interacts with endoderm and ectoderm to give rise to the heart. skeletal muscles. mesenchyme. all of the above None of the above | all of the above |
| The structure that lies deep to the dermis and forms a connection between the skin and the underlying structures of the body is the hypodermis. hyperdermis. cleavage line. dermal papillae. | hypodermis |
| Which of the following is(are) not in the appendicular skeleton? vertebrae tarsals femur clavicle | vertebrae |
| Anteriorly, each rib of the first seven pairs attaches to the xiphoid process. manubrium. transverse process. sternum. | sternum |
| _____ fibers are present in all three types of cartilage, but they are most numerous in fibrocartilage. Collagenous Microtubules Perichondrium Elastin | Collagenous |
| The extracellular components of bone matrix are soft and calcified. soft and decalcified. hard and calcified. hard and decalcified. | hard and calcified |
| Bone marrow is a specialized type of soft, diffuse connective tissue called myeloid tissue. hyaline cartilage. elastic cartilage. fibrocartilage. | myeloid tissue |
| Y are the last 2 pairs of false ribs called floating ribs? They arent attached to the vertebrae Floating ribs dont attach even indirectly 2 sternm There's no direct attachment of ribs to the clavicle Floating ribs are only attached indirectly 2sternum | Floating ribs dont attach even indirectly to the sternum |
| Cartilage is classified as _____ tissue. epithelial muscle nerve connective | connective |
| Which of the following is not a bone in the skull? clavicle parietal sphenoid ethmoid | clavicle |
| Which of these pelvic bones is the most anteriorly placed? pubis ischium ilium coccygeal | pubis |
| Which two bones compose the shoulder girdle? humerus and ulna ulna and clavicle clavicle and scapula humerus and scapula | clavicle and scapula |
| T or F: The Achilles tendon is common to both the gastrocnemius and the soleus. | True |
| T or F: Just as individual bones are the organs of the skeletal system, individual muscles are the organs of the muscular system. | True |
| The posterior arm muscle that extends the forearm is the: biceps brachii. triceps brachii. supinator. brachialis. | triceps brachii |
| The sternocleidomastoid muscle is an example of a muscle named for its: function. number of attachments. size. points of attachment. | points of attachment |
| Which of the following muscles has fibers on a transverse plane? Rectus abdominis External oblique Transverse abdominis Internal intercostals | Transverse abdominis |
| Which of the following is not a muscle that moves the thigh? Adductor longus Gracilis Iliopsoas Sacrospinalis | sacrospinalis |
| Which of the following body systems assists the muscles in maintaining posture? Digestive Endocrine Excretory All of the above | All of the above |
| The soleus muscle is an example of a _____ muscle. convergent parallel fusiform pennate | pennate |
| The muscle(s) assisting in rotating the arm outward is (are) the: teres minor. latissimus dorsi. supraspinatus. All of the above are correct. | Teres minor |
| Which is incorrect about muscles of head? They're paired muscles They have diffrnt actions depending on whether 1/ both parts of the pair contract splenius capitis muscle is called the prayer muscle because it causes the head to bow All are correct | The splenius capitis muscle is sometimes called the prayer muscle because it causes the head to bow. |
| Which is true of a reflex arc? does not involve the brain consists of an afferent and an efferent neuron consists of an afferent, an efferent neuron, and interneuron consists of an afferent neuron, an efferent neuron, the brain, and the spinal cord | It always consists of an afferent neuron and an efferent neuron. |
| The efferent pathways of the autonomic nervous system consist of the ________ nervous systems. peripheral and afferent sympathetic and parasympathetic sympathetic and efferent parasympathetic and somatic | sympathetic and parasympathetic |
| Gray matter in the brain and spinal cord consists primarily of: nerve fibers. neuroglia. axons. cell bodies. | cell bodies |
| The autonomic nervous system does not stimulate: skeletal muscles. smooth muscles. glands. cardiac muscle. | skeletal muscles |
| A neuron that has only one axon but several dendrites is classified as a _____ neuron. multipolar bipolar unipolar multidendritic | multipolar |
| Multipolar neurons have: multiple axons and multiple dendrites. multiple axons and one dendrite. multiple dendrites and one axon. one dendrite and one axon. | multiple dendrites and one axon |
| Which is not true of the myelin sheath? It is associated with white fibers in the brain. It is important for nerve impulse conduction. It covers cell bodies in the brain and spinal cord. It is destroyed in those with multiple sclerosis. | It covers cell bodies in the brain and spinal cord. |
| Interneurons reside in the: CNS and peripheral nervous system (PNS). CNS only. PNS only. None of the above is correct. | CNS only |
| The nervous system is organized to do which of the following? Detect changes in the external environment. Detect changes in the internal environment. Evaluate changes in the environment. All of the above are true. | all of the above are true |
| Which of the following is the deepest connective tissue layer of a nerve? Endoneurium Perineurium Epineurium Fascicle | endoneurium |
| The main divisions of the central nervous system are the: brain, spinal cord, and autonomic nerves. brain, spinal cord, and peripheral nerves. brain and spinal cord. sensory division and motor division. | brain and spinal cord |
| The brain has _____ major divisions. three five six eight | six |
| Nerve fibers of the spinothalamic tract are: sensory. motor. descending. none of the above. | sensory |
| Small branches from the cervical plexus join which two cranial nerves? Vagus and hypoglossal Vagus and accessory Hypoglossal and accessory Glossopharyngeal and hypoglossal | Hypoglossal and accessory |
| The phrenic nerve is found in the _____ plexus. cervical brachial lumbar sacral | cervical |
| There are _____ ventricles in the brain. two three four five | four |
| The lumbar plexus gives rise to the _____ nerve. median phrenic femoral None of the above is correct. | femoral |
| Which is not a characteristic of sympathetic preganglionic neurons secretes acetylcholine they have long fibers from CNS to ganglion dendrites & cell bodies are found in the lateral gray columns of thoracic and the 1st 4 lumbar segmnts of spinal cord | they have long fibers from CNS to ganglion. |
| T or F All cell bodies of the autonomic nervous system are located within the CNS. | False |
| Which of the following is not true of the lateral corticospinal tract fibers? Most decussate. Most inhibit the lower motor neuron. They are referred to as pyramidal pathways. They originate in the cerebral cortex. | most inhibit the lower motor neuron |
| Membrane attached to the stapes. tectorial membrane oval window pharyngotympanic tympanic membrane round window | oval window |
| Receptors for hearing are located in the semicircular canals. cochlear duct. tympanic membrane. middle ear. | cochlear duct |
| Region of the hypophysis that contains secretory endocrine cells derived from the oral ectoderm. infundibulum pars tuberalis adenohypophysis tuber cinerum neurohypophysis | adenohypophysis |
| Gustatory cells are located in all of the following areas except on the posterior wall of the pharynx. on the fungiform papillae of the anterior tongue. on the apical surface of vallate papillae on the tongue. on the inner surface of the cheeks. | on the apical surface of vallate papillae on the tongue. |
| missing 85 | missing question 85 |
| The hormone produced by the heart increases the excretion of sodium in the urine. increases calcium levels in the blood. is secreted in response to low blood volumes. decreases urine output. | increases the excretion of sodium in the urine |
| Which endocrine gland stores enough of its hormone extracellularly to last several months? the thyroid the pancreas the ovary the pituitary | thyroid |
| Transparent structure of the eye containing regularly aligned collagen fibers. choroid ciliary body sclera cornea lens | cornea |
| Pyramid-shaped gland consisting of neural crest-derived cells and endocrine secretory cells. thyroid gland gonadal cells of the ovaries/testes thymus gland pancreas adrenal gland | adrenal gland |
| Hormone that inhibits osteoclast activity in children. calcitonin thyroxine oxytocin parathyroid hormone catecholamines | calcitonin |
| Renal veins drain blood from the eyes. hands. pelvic region. kidneys. | kidneys |
| Atria are often called _____ because they receive blood from vessels called veins. pumping chambers venous chambers deoxygenated chambers receiving chambers | receiving chambers |
| Which division of the autonomic nervous system sends fibers to the heart? sympathetic parasympathetic somatic both A and B | both A and B |
| Microscopic vessels that carry blood from small arteries to small veins are arterioles. venules. capillaries. sinusoids. | capillaries |
| Mechanical devices that permit the flow of blood in one direction only are called ventricles. atria. valves. vessels. | valves |
| The structure referred to as the pacemaker of the heart is(are) the: SA node. AV node. Purkinje fibers. AV bundle. | SA node |
| 4 structures that compose the conduction system of heart: SA node, AV node, AV bundle, Purkinje fibers SA node, AV node, AV bundle, chordae tendinae AV node, AV bundle, Purkinje fibers, chordae tendinae SA node, AV node, AV bundle, papillary muscles | SA node, AV node, AV bundle, and Purkinje fibers. |
| The normal cardiac impulse that initiates mechanical contraction of the heart arises in the AV node. AV bundle. Purkinje fibers. SA node. | SA node |
| All of the following are granulocytes except neutrophils. eosinophils. lymphocytes. basophils. | lymphocytes |
| The term blood type refers to the type of blood cell antibody. antigen. transfusion reaction. | antigen |
| A type of blood cell produced by lymph nodes is called a(n) eosinophil. erythrocyte. neutrophil. monocyte. | monocyte |
| Lymph ducts empty into the circulatory system, draining into the: jugular vein. subclavian veins. superior vena cava. inferior vena cava. | subclavian veins |
| Lymphatics resemble veins except that lymphatics: have thinner walls. contain more valves. contain lymph nodes located at certain intervals along their course. All of the above are correct. | all of the above are correct |
| The cisterna chyli: originates in the right lymphatic duct. originates in the thoracic duct. is the storage area for hormones made by the thymus gland. filters the chyle coming from the small intestine. | originates in the throacic duct |
| Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a germ center. trabecula. lymph node. germinal center. | germinal center |
| An infection in the thumb may result in enlargement of the _____ nodes. submental inguinal superficial cervical superficial cubital | superficial cubital |
| Which substance can destroy pathogens by lowering the pH to a level at which they cannot function? Hydrochloric acid Mucus Enzymes Sebum | hydrochloric acid |
| The type of immune mechanism that provides a general defense by acting against anything recognized as “not self” is called: nonspecific immunity. specific immunity. autoimmune. none of the above. | nonspecific immunity |
| Lacteals: drain into the right lymphatic duct. are the lymphatics in the villi of the small intestines. are able to absorb fat from the digestive system. Both B and C are correct. | both b and c are correct |
| The spleen is located in the _____ region. right hypochondriac left hypochondriac epigastric left lumbar | left hypochondriac |
| The smallest branches of the bronchial tree are: primary bronchi. secondary bronchi. tertiary bronchi. bronchioles. | bronchioles |
| Which of the following is true of the intrinsic muscles of the larynx? Their origin is the hyoid bone. They move the larynx as a whole. They serve in voice production. Both A and B are correct. | they serve in voice production |
| The hollow nasal cavity is separated by a midline partition called the: septum. conchae. cribriform plate. turbinates. | septum |
| The fauces, one of the seven openings found in the pharynx, opens into the: oropharynx. nasopharynx. esophagus. Both A and B are correct. | oropharynx |
| The approximate length of the trachea, or windpipe, is _____ cm. 5 11 17 24 | 11 |
| The structures that deflect air as it passes through the nose are called: choanae. paranasal sinuses. conchae. vibrissae. | conchae |
| The divisions of the thoracic cavity include all of the following except the: left pleural cavity. right pleural cavity. respiratory cavity. mediastinum. | respiratory cavity |
| The largest of the paranasal sinuses is the: maxillary. frontal. ethmoid. sphenoid. | maxillary |
| Which of these structures is not found in the left lung? Oblique fissure Secondary bronchi entering the superior lobe Secondary bronchi entering the inferior lobe Horizontal fissure | horizontal fissure |
| correct sequence of air as it passes through the nose into the pharynx? | Anterior nares vestibule inferior, middle, and superior meatus posterior nares |
| The right angle between the transverse colon and the ascending colon is the: costal angle. hepatic flexure. left colonic bend. splenic flexure. | hepatic flexure |
| The more common term for deglutition is: chewing. swallowing. mechanical digestion. vomiting. | swallowing |
| The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the: fauces. frenulum. uvula. gingiva. | uvula |
| After leaving the stomach, food enters the: large intestine. small intestine. esophagus. rectum. | small intestine |
| Which of the following organs has a mucosal layer that is composed of columnar epithelium with a brush border of microvilli to enhance absorption? Esophagus Large intestine Small intestine Stomach | small intestine |
| All of the following are classified as accessory organs of the digestive system except the: tongue. mouth. liver. pancreas. | mouth |
| The extrinsic tongue muscles differ from the intrinsic tongue muscles in that the _____ outside the tongue. | extrinsic muscles insert into the tongue but have their origin |
| Phagocytic cells lining liver sinusoids are called _____ cells. chief alpha Kupffer hepatic | Kupffer |
| The proper anatomical order for the divisions of the colon is: | ascending, transverse, descending and sigmoid |
| The hard palate consists of portions of: four bones: three maxillae and one palatine. two bones: one maxillae and one palatine. four bones: two maxillae and two palatines. two bones: two palatines. | four bones: two maxillae and two palentines |
| A drop in systemic blood pressure would cause the filtration rate to: increase. decrease. stay the same. vary depending on the level of AHD in the blood. | decrease |
| The portion of the nephron tubule that is essentially always impermeable to water is the: proximal tubule. distal tubule. collecting tubule. ascending nephron loop. | ascending nephron loop |
| Urine is conducted from the kidney to the urinary bladder through a tube called the: renal column. renal pelvis. urethra. ureter. | ureter |
| Which of the following is the approximate threshold level for the reabsorption of glucose? 100 mg/100 ml 300 mg/100 ml 200 mg/100 ml 250 mg/100 ml | 300mg/100ml |
| Which structure of the kidney narrows as it exits the kidney to become the ureter? Renal pyramids Renal pelvis Renal columns Hilum | renal pelvis |
| Which of the following is(are) classified as an accessory organ of the urinary system? Ureters Urinary bladder Urethra All of the above | all of the above |
| Reabsorption, as performed in the kidney, may be defined as the: | movement of molecules out of the tubule and into the peritubular blood. |
| The mechanism for voiding begins with: the relaxation of the internal sphincter. the contraction of the muscles of the bladder. the relaxation of the external sphincter. a parasympathetic impulse sent to the bladder. | the relaxation of the internal sphincter. |
| The shape of the kidney could best be described as _____-shaped. bean pear pea potato | bean |
| The calyces of the kidney join together to form a large collection reservoir called the: renal columns. renal pyramids. renal pelvis. hilum. | renal pelvis |
| Which of the following is not an accessory sex organ of the female reproductive system? Ovary Vagina Fallopian tube Mammary glands | ovary |
| The supporting structures in the male reproductive system include: the penis. a pair of spermatic cords. the scrotum. all of the above. | all of the above |
| Which of the following is(are) not classified as an accessory organ(s) of the reproductive system in the male? Testes Epididymides Urethra Seminal vesicles | testes |
| The process of egg formation is called: ovulation. oogenesis. fertilization. germination. | oogenesis |
| The urethral orifice is _____ to the vagina opening. posterior anterior medial lateral | anteroir |
| To be capable of fertilizing an ovum, sperm must undergo a process called: epiphyseal closure. ejaculation. capacitation. gonadotropin secretion. | capacitation |
| Each of the following is a duct in the male reproductive system except: vas deferens. urethra. epididymis. inguinal canal. | inguinal canal |
| The uterus is suspended between two folds of parietal peritoneum that form a partition across the pelvic cavity. These ligaments are _____ ligaments. round uterosacral anterior and posterior broad | broad |
| The tube connecting the ovaries to the uterus is called the: uterine tubes. oviducts. fallopian tubes. All of the above are correct. | all of the above are correct |
| Which of the following is not an effect of testosterone? Promotes excretion of potassium by kidneys Promotes anabolism of proteins Promotes growth of skeletal muscles Promotes lengthening of long bones | promotes lengthening of long bones |
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