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Baby Lorelei P. Ong
Physiology Weeks 7-13
| Question | Answer |
|---|---|
| Which of the following statements regarding nervous tissue is NOT true? a. Neurons are specialized to conduct electrical impulses. b. Neuroglia cells protect and support neurons. c. Neurons are the most abundant type of cell in nervous tissue. | c. Neurons are the most abundant type of cell in nervous tissue. |
| Which of the following pairs is not correctly matched? a. multipolar - least abundant type b. unipolar - dendrites arise from initial segment c. bipolar - only two processes extend from cell body d. all are currently matched | a. multipolar - least abundant type |
| Which structure of neuron stores neurotransmitter? a. nodes of Ranvier b. cell body c. axon hillock d. axon terminals | d. axon terminals |
| Which neuron structure receives impulses from preceding cell? a. axons b. dendrites c. Schwann cell d. cell body | b. dendrites |
| Which region of a neuron is also called the soma? a. cell body b. dendrite c. axon d. myelin sheath | a. cell body |
| The outer layer of the myelin sheath is the: a. epineurium b. neurilemma c. axon terminal d. node of Ranvier | b. neurilemma |
| Which of the following neuroglial cells is NOT located in the CNST? a. oligodendrocytes b. ependymal cells c. microglial cells d. satellite cells | d. satellite cells |
| Which type of neuroglial cell helps to maintain the blood-brain barrier? a. microglial cells b. oligodendrocytes c. astrocytes d. ependymal cells | c. astrocytes |
| Which type of neuroglial cell produces myelin in the CNS? a. microglial cells b. oligodendrocytes c. ependymal cells d. Schwann cells | b. oligodendrocytes |
| Which of the connective tissue coverings around nervous tissue is rich in collagen fibers? a. endoneurium b. perineurium c. paraneurium d. epineurium | d. epineurium |
| There are twelve pairs of: a. cervical nerves b. thoracic nerves c. lumbar nerves d. sacral nerves | b. thoracic nerves |
| The collection of spinal nerves extending down from the tip of the spinal cord is the: a. cauda equina b. filum terminale c. lumbar enlargement d. conus medullaris | a. cauda equina |
| Which space does NOT contain CSF? a. central canal b. subarachnoid mater c. epidural space d. All contains CSF | c. epidural space |
| A collection of cell bodies in the CNS is a(n): a. nucleus b. ganglion c. plexus d. pia mater | d. pia mater |
| The cell bodies of neurons bringing sensory information to the spinal cord are located in the: a. dorsal root b. lateral horn c. dorsal root ganglion d,. ventral horn | c. dorsal root ganglion |
| Which of the following statements regarding tract is NOT true? a. All axons in a tract carry the same type of information b. Tracts are found totally within the CNS. c. Descending tracts carry sensory information | c. Descending tracts carry sensory information |
| Which plexus innervates the pectoral girdle and upper extremity? a. brachial plexus b. sacral plexus c. lumbar plexus d. cervical plexus | a. brachial plexus |
| Which nerve innervates the anterior thigh muscles? a. sciatic nerve b. ilioinguinal nerve c. femoral nerve d. obturator nerve | c. femoral nerve |
| Which is NOT found in the upper extremity? a. median nerve b. saphenous nerve c. musculocutaneous nerve d. ulnar nerve | b. saphenous nerve |
| Which of the following choices is NOT part of the central nervous system? a. brain b. cranial nerves c. spinal cord d. All are part of the central nervous system | b. cranial nerves |
| The longitudinal fissure divides the: a. cerebrum from the cerebellum b. frontal and parietal lobes c. frontal and temporal lobes d. two cerebral hemispheres | d. two cerebral hemispheres |
| Which lobe of the cerebrum is involved with vision? a. frontal b. occipital c. temporal d. insula | b. occipital |
| The two cerebral hemispheres are connected by the: a. corpus callosum b. thalamus c. central sulcus d. optic chiasm | a. corpus callosum |
| Which brain region works with the cerebrum to coordinate body movements? a. thalamus b. medulla oblongata c. cerebellum d. pineal gland | c. cerebellum |
| Which of the following is NOT part of the brainstem? a. choroid plexus b. pons c. midbrain d. medulla oblongata | a. choroid plexus |
| Which of the following is NOT part of or associated with the diencephalon? a. thalamus b. optic chiasm c. pineal gland d. arbor vitae | d. arbor vitae |
| Which of the following pairs is NOT correctly matched? a. arachnoid mater - web-like middle layer of meninges b. pia mate - fused to surface of brain c. subdural space - contains cerebrospinal fluid d. dura mater - tough, outer layer of meninges | c. subdural space - contains cerebrospinal fluid |
| Which cranial nerve does not carry motor commands to an eye muscle? a. vagus nerve b. abducens nerve c. oculomotor nerve d. trochlear nerve | a. vagus nerve |
| Which cranial nerve carries motor commands to the chewing muscle? a. facial nerve b. hypoglossal nerve c. trigeminal nerve d. glossopharyngeal nerve | c. trigeminal nerve |
| Which of the following statements regarding reflexes is NOT true? a. They are involuntary b. They are a motor response c. They are planned d. They are in response to a specific stimulus | c. They are planned |
| The first step in a reflex arc is stimulation of: a. the motor neuron b. the effector organ c. the sensory neuron d. a sensory receptor | d. a sensory receptor |
| Which of the following are incorrectly paired? a. integrating center - may be muscle or gland b. sensory receptor - receives stimulus c. sensory neuron - carries sensory information to CNS d. motor neuron - carries motor command to effector organ | a. integrating center - may be muscle or gland |
| Which of the following statements regarding monosynaptic reflexes is NOT true? a. They are the simplest type of reflex b. The flexor withdrawal reflex is an example c. Sensory neuron synapses directly on motor neuron d. They are the fastest reflexes | b. The flexor withdrawal reflex is an example |
| Which of the following is the effector organ for somatic reflexes? a. glands b. adipose tissue c. cardiac muscle d. skeletal muscle | d. skeletal muscle |
| Which of the following is NOT an integrating center for reflexes? a. brain b. spinal cord c. skin d. all are integrating centers | c. skin |
| Which of the following choices is NOT a method for categorizing reflexes? a. by number of neurons b. by type of sensory receptor c. by nature of effector organ d. by location of integrating center | b. by type of sensory receptor |
| Which of the following is an example of an automatic cranial reflex? a. pupillary reflex b. gag reflex c. plantar reflex d. corneal reflex | a. pupillary reflex |
| Which of the following is a neurological test using a somatic spinal reflex? a. gag reflex b. plantar reflex c. pupillary reflex d. patellar reflex | b. plantar reflex |
| Which structure drains tears directly into the nasal cavity? a. tear duct b. lacrimal puncta c. lacrimal canaliculi d. nasolacrimal duct | d. nasolacrimal duct |
| Which of the following is NOT part of the vascular tunic? a. ora serrata b. choroid c. ciliary body d. iris | a. ora serrata |
| Which of the following is an intrinsic eye muscle? a. pupil b. lens c. iris d. cornea | c. iris |
| Which of the following is NOT one of the auditory ossicles? a. malleus b. pinna c. stapes d. cornea | b. pinna |
| Which structure houses the sensory receptors for hearing? a. vestibule b. cochlea c. saccule d. tympanic membrane | b. cochlea |
| Which structure is responsible for detecting horizontal acceleration? a. utricle b. posterior semicircular canal c. saccule d. anterior semicircular canal | a. utricle |
| The greatest concentration of taste buds is found on the: a. filiform papillae b. fungiform papillae c. circumvallate papillae d. Taste buds are equally distributed among the papillae | c. circumvallate papillae |
| Which of the following statements regarding olfaction is NOT true? a. Olfactory glands secrete mucus b. The olfactory tract carries sensory information to the brain c. The olfactory hairs are the axons of olfactory sensory neurons | c. The olfactory hairs are the axons of olfactory sensory neurons |
| Which of the following special sense organs and sensory receptors are NOT correctly matched? a. vestibule - olfactory sensory neuron b. cochlea - organ of Corti c. retina of eye - rods and cones d. papillae of tongue - taste buds | a. vestibule - olfactory sensory neuron |
| The auditory tube connects the pharynx to the: a. tympanic membrane b. middle ear cavity c. external auditory canal d. bony labyrinth | b. middle ear cavity |
| Which of the following pairs is NOT correctly matched? a. vision - photoreceptor b. equilibrium - chemoreceptor c. hearing - mechanoreceptor d. All are correctly matched | b. equilibrium - chemoreceptor |
| Which of the following choices refers to being able to adjust the shape of the lens to keep an object moving towards you in focus? a. astigmatism b. visual acuity c. localization d. accommodation | d. accommodation |
| Which problem is caused by an uneven curvature of the cornea? a. astigmatism b. cataract c. macular degeneration d. myopia | a. astigmatism |
| Which of the following statements regarding myopia is NOT true? a. Myopia means near-sightedness b. It may be caused by a long eyeball c. Myopia is corrected by a convex lens d. The image comes into focus in front of the retina | c. Myopia is corrected by a convex lens |
| Which of the following tests uses a tuning fork? a. Barany test b. Weber test c. Snellen test d. Romberg test | b. Weber test |
| In sensorineural hearing loss, the problem is with the: a. auditory ossicles b. tympanic membrane c. vestibulocochlear nerve d. vestibule | c. vestibulocochlear nerve |
| Which of the following pairs is NOT correctly matched? a. anterior semicircular canal - detects nodding "yes" movement b. lateral semicircular canal - detects shaking "no" movement c. All are correctly matched | c. All are correctly matched |
| The mechanoreceptors located in the semicircular canals are called: a. maculae b. cupula c. endolymph d. cristae | d. cristae |
| Which of the following statements is NOT true? a. The nasal cavity and oral cavity are connected by the pharynx b. The sensory receptor for taste is the olfactory sensory neuron c. The sensory receptors for taste and smell are both chemoreceptors | b. The sensory receptor for taste is the olfactory sensory neuron |
| Which of the following choices is a pathology of the lens? a. macular degeneration b. glaucoma c. cataract d. pink eye | c. cataract |
| Hormones target which of the following? a. cells b. organs c. tissues d. All may be a target for a hormone | d. All may be a target for a hormone |
| Which of the following is also called the neurohypophysis? a. adrenal medulla b. posterior pituitary gland c. thyroid gland d. pineal gland | b. posterior pituitary gland |
| Which of the following hormones targets the uterus? a. oxycontin b. luteinizing hormone c. prolactin d. antidiuretic hormone | a. oxycontin |
| Which of the following hormones raises blood glucose levels? a. insulin b. thyroxine c. glucagon d. melatonin | c. glucagon |
| Which of the following hormones is found stored in colloid? a. calcitonin b. melatonin c. prolactin d. thyroxine | d. thyroxine |
| Which hormone raises the blood level of calcium? a. mineralocorticoid b. parathyroid hormone c. growth hormone d. calcitonin | b. parathyroid hormone |
| The zona fasciculata of the adrenal cortex secretes which hormones? a. mineralocorticoids b. androgens c. glucocorticoids d. norepinephrine | c. glucocorticoids |
| Which of the following choices is NOT found in the pancreas? a. clear cells b. alpha cells c. acini d. beta cells | a. clear cells |
| Interstitial cells are found in which endocrine gland? a. ovaries b. pineal gland c. thymus gland d. testes | d. testes |
| Which hormone is important for the maturation of T lymphocytes? a. melatonin b. thymosin c. estrogen d. oxycontin | b. thymosin |
| Which of the following choices is NOT a function of blood. a. regulating temperature b. transporting oxygen c. defending the body d. All are functions of blood | d. All are functions of blood |
| Which of the following statements regarding blood is NOT true? a. Platelets are one of the formed elements b. Blood is 45% plasma and 55% formed elements c. Blood is a type of connective tissue d. Erythrocytes are the most abundant blood cells | b. Blood is 45% plasma and 55% formed elements |
| Which of the following is NOT transported by blood? a. gases b. hormones c. electrolytes d. All are transported by blood | d. All are transported by blood |
| Which of the leukocytes is NOT phagocytic? a. neutrophils b. eosinophils c. lymphocytes d. monocytes | c. lymphocytes |
| Which of the following is the most abundant blood cell? a. erythrocytes b. eosinophils c. lymphocytes d. basophils | a. erythrocytes |
| Which of the following pairs are mismatched? a. basophil - stains in basis dyes b. eosinophils - stains in neutral dyes c. neutrophils - stains equally in acidic and basic dyes d. All are correctly matched | b. eosinophils - stains in neutral dyes |
| Which of the following choices is NOT a granulocyte? a. lymphocyte b. basophil c. neutrophil d. eosinophil | a. lymphocyte |
| Which of the following blood cells is enucleated? a. eosinophil b. basophil c. erythrocyte d. monocyte | c. erythrocyte |
| Which leukocyte promotes inflammation? a. eosinophil b. monocyte c. lymphocyte d. basophil | d. basophil |
| Which of the following statements regarding leukemia is NOT true? a. Anemia is a symptom of leukemia b. The leukocytes in leukemia are always immature c. Leukemia may develop in almost any type of leukocyte | b. The leukocytes in leukemia are always immature |
| Which formed element is actually a cytoplasmic fragment? a. erythrocytes b. platelets c. monocytes d. neutrophils | b. platelets |
| Which of the following choices is NOT correctly matched? a. platelets - blood clotting b. erythrocytes - transport oxygen c. leukocytes - fight infection d. All are correctly matched | d. All are correctly matched |
| Polycythemia vera is the condition of having a. too many erythrocytes b. too few leukocytes c. too many leukocytes d. too few erythrocytes | a. too many erythrocytes |
| Which of these leukocytes would you expect to increase with a bacterial infection? a. basophils b. eosinophils c. neutrophils d. monocytes | c. neutrophils |
| Which blood test requires that the erythrocytes be lysed? a. hematocrit b. blood typing c. hemoglobin concentration d. red cell count | c. hemoglobin concentration |
| Which of the following statements regarding anemia is NOT true? a. Iron deficiency anemia is a hemolytic anemia b. Aplastic anemia results from non-functioning bone marrow c. The erythrocytes in sickle cell anemia are very fragile | a. Iron deficiency anemia is a hemolytic anemia |
| Rh+ blood procedures anti-Rh antibodies a. true b. false | b. false |
| Type O blood has the following antigens: a. A antigens b. B antigens c. both A and B antigens d. neither A and B antigens | d. neither A and B antigens |
| Which blood type is called the universal donor? a. Type A b. Type B c. Type O d. Type AB | c. Type O |
| Which structure is also called the epicardium? a. parietal pericardium b. pericardial cavity c. visceral pericardium d. fibrous pericardium | c. visceral pericardium |
| Which chamber receives blood from the pulmonary vein? a. right atrium b. right ventricle c. left atrium d. left ventricle | c. left atrium |
| Which great vessel carries blood to the systemic arteries? a. aorta b. pulmonary trunk c. inferior vena cava d. pulmonary artery | a. aorta |
| Which coronary vessel delivers blood directly into the right atrium? a. right coronary artery b. coronary sinus c. small cardiac vein d. circumflex artery | b. coronary sinus |
| Which structure carries deoxygenated blood? a. right atrium b. pulmonary trunk c. inferior vena cava d. All carry deoxygenated blood | d. All carry deoxygenated blood |
| The fossa ovalis is located in the: a. right atrium b. right ventricle c. left atrium c. left ventricle | a. right atrium |
| The myocardium is composed of: a. fibrous connective tissue b. simple squamous tissue c. adipose tissue d. cardiac muscle tissue | d. cardiac muscle tissue |
| The tricuspid valve is a(n): a. semilunar valve b. atrioventricular valve c. pulmonary valve d. interventricular valve | b. atrioventricular valve |
| Which part of the conduction system is located at the junction of the atria and ventricles? a. sinoatrial node b. bundle branch c. Purkinje fibers d. AV node | d. AV node |
| Which vessel is part of the systemic circuit? a. inferior vena cava b. pulmonary trunk c. aorta d. superior vena cava | c. aorta |
| Which is NOT correctly matched? a. diastole - period when blood is ejected from heart b. pulse - surge of blood that is felt in artery c. systole - contraction phase of cardiac cycle | a. diastole - period when blood is ejected from heart |
| Which heart valve is located between the left atrium and ventricle? a. pulmonary valve b. aortic valve c. tricuspid valve d. mitral valve | d. mitral valve |
| Which statement is NOT true? a. Heart valves prevent backflow of blood b. The dup sound is caused by the semilunar valves closing c. Semilunar valves are located between an atrium and ventricle d. The lub sound is caused by the AV valves closing | c. Semilunar valves are located between an atrium and ventricle |
| Which statement is NOT true/ a. A sphygmomanometer is also called a blood pressure cuff b. Diastolic pressure is the top number in a blood pressure reading c. Blood pressure is highest in the large arteries | b. Diastolic pressure is the top number in a blood pressure reading |
| Which of the following arrhythmias leads to cardiac arrest? a. atrial flutter b. bradycardia c. ventricular fibrillation d. ventricular tachycardia | c. ventricular fibrillation |
| Which statement is NOT true? a. When cuff pressure is higher than systolic pressure, there is no sound b. Sound disappears when cuff pressure is equal to diastolic pressure c. When cuff pressure is higher than DP, the artery is completely collapsed | c. When cuff pressure is higher than DP, the artery is completely collapsed |
| The most common cause of heart arrhythmias is: a. a hyperactive thyroid gland b. heart disease c. caffeine d. medications | b. heart disease |
| Which of the following choices is known as the pacemaker of the heart? a. bundle branches b. SA node c. Purkinje fibers d. AV node | b. SA node |
| Which statement is NOT true? a. The AV bundle is located at the apex of the heart b. The AV node receives stimulation from the internodal pathway c. The bundle branches carry the stimulus to the ventricles | a. The AV bundle is located at the apex of the heart |
| Which is NOT correctly matched? a. P wave represents atrial depolarization b. T wave represents ventricular repolarization c. ORS complex represents ventricular depolarization d. All are correctly matched | d. All are correctly matched |
| Which of the following statements regarding blood vessel structure is NOT true? a. Walls of arteries and veins contain three layers or tunics b. Veins typically have thinner walls c. Capillaries contain valves | c. Capillaries contain valves |
| Which of the following is NOT part of the tunica interna? a. endothelium b. smooth muscle tissue c. basement membrane d. All are part of the tunica interna | b. smooth muscle tissue |
| Which of the following is a branch of the ascending aorta? a. brachiocephalic trunk b. subclavian artery c. pulmonary artery d. coronary arteries | d. coronary arteries |
| Which of the following arteries is NOT part of the cerebral arterial circle? a. posterior communicating artery b. middle cerebral artery c. anterior cerebral artery d. posterior cerebral artery | b. middle cerebral artery |
| Which of the following veins is NOT part of the hepatic portal system? a. splenic vein b. inferior mesenteric vein c. hepatic vein d. superior mesenteric vein | c. hepatic vein |
| Which of the following is NOT a vein of the arm? a. internal jugular b. medial cubital c. radial d. ulnar | a. internal jugular |
| Which of the following does NOT carry oxygenated blood? a. aorta b. pulmonary vein c. pulmonary artery d. renal artery | c. pulmonary artery |
| Which of the following is NOT an artery in the head? a. basilar b. axillary c. occipital d. maxillary | b. axillary |
| Which of the following is NOT a branch of the abdominal aorta? a. subclavian artery b. celiac trunk c. renal artery d. superior mesenteric artery | a. subclavian artery |
| Which of the following does NOT drain into the inferior vena cava? a. gonadal vein b. hepatic vein c. common iliac vein d. brachiocephalic vein | d. brachiocephalic vein |
| Which of the following lymphatic organs is in the thoracic cavity? a. spleen b. thymus gland c. palatine gland d. none of the above | b. thymus gland |
| MALT is found in the walls of the tracts listed below except the: a. reproductive b. digestive c. spinal d. respiratory | c. spinal |
| Which of the following is not one of the tonsils? a. maxillary tonsils b. lingual tonsils c. palatine tonsil d. pharyngeal tonsils | a. maxillary tonsils |
| Which of the following choices lists lymphatic vessels from smallest to largest? a. capillaries, vessels, ducts, trunks b. vessels, trunk, ducts, capillaries c. trunk, capillaries, vessels, ducts d. capillaries, vessels, trunk, ducts | d. capillaries, vessels, trunk, ducts |
| Which of the following does NOT match a lymphatic trunk to the area it drains? a. lumbar - stomach b. jugular - head c. subclavian - arm d. bronchomediastinal - thoracic cavity | a. lumbar - stomach |
| Which group of lymph nodes purifies lymph from the head? a. axillary lymph nodes b. lumbar lymph nodes c. cervical lymph nodes d. jugular lymph nodes | c. cervical lymph nodes |
| Which of the following structures is NOT associated with lymph nodes? a. afferent lymphatic vessels b. hilus c. medullary sinus d. Hassall's corpuscle | d. Hassall's corpuscle |
| Which of the following statements regarding the thymus gland is NOT true? a. It is an endocrine gland b. It is the site of B-cell maturation c. It is divided into two lobes d. It serves thymosins | b. It is the site of B-cell maturation |
| Which of the following statements regarding the spleen is NOT true? a. It is located in the abdominal cavity b. A central artery goes through the white pulp c. The red pulp is also called splenic nodules d. It serves as a reservoir of red blood cells | c. The red pulp is also called splenic nodules |
| Which of the following is NOT an event of the inflammatory response? a. capillaries dilate to allow fluid into the tissue b. lymphocytes release histamine c. tissue damage produces pain d. phagocytes engulf pathogens | b. lymphocytes release histamine |
| Which of the following organs is NOT part of the upper respiratory tract? a. trachea b. pharynx c. larynx d. nasal cavity | a. trachea |
| Gas exchange occurs in the: a. trachea b. larynx c. alveoli d. bronchioles | c. alveoli |
| The portion of the pharynx that receives air from the intenal nares id the: a. oropharynx b. nasopharynx c. tracheopharynx d. laryngopharynx | b. nasopharynx |
| The anterior wall of the larynx consists primarily of the: a. epiglottis b. cricoid cartilage c. cuneiform cartilage d. thyroid cartilage | d. thyroid cartilage |
| The C-shaped rings of tissue that keep the trachea open are composed of: a. hyaline cartilage b. fibrocartilage c. bone d. smooth muscle | a. hyaline cartilage |
| Secondary bronchi are also called ____ bronchi a. segmental b. respiratory c. terminal d. lobar | d. lobar |
| From the terminal bronchioles, inhaled air enters the: a. alveoli b. tertiary bronchioles c. alveolar ducts d. respiratory bronchioles | d. respiratory bronchioles |
| The two lobes of the left lung are divided by the ___ fissure a. horizontal b. transverse c. oblique d. cardiac | c. oblique |
| The lumen of the trachea is lines with: a. stratified squamous epithelium b. pseudostratified ciliated columnar epithelium c. simple cuboidal epithelium d. simple squamous epithelium | b. pseudostratified ciliated columnar epithelium |
| Which of the following choices is NOT part of the respiratory membrane? a. a single layer of alveolar cells b. a thin basement membrane c. a thin layer of ciliated epithelial cells d. the capillary endothelium | c. a thin layer of ciliated epithelial cells |
| Which of the following statements regarding ventilation is NOT true? a. It is process of moving air in and out of the lungs b. Breathing in is called inhalation c. It delivers carbon dioxide to the cells | c. It delivers carbon dioxide to the cells |
| Which of the following choices is NOT a muscle of inhalation? a. internal intercostal muscles b. diaphragm c. external intercostal muscle d. All are muscles of inhalation | a. internal intercostal muscles |
| Which of the following choices is NOT a respiratory volume? a. inspiratory residual volume b. tidal volume c. residual volume d. expiratory reserve volume | a. inspiratory residual volume |
| Which capacity consists of all the air that can be forcefully inhaled and exhaled? a. functional residual capacity b. vital capacity c. inspiratory capacity d. total lung capacity | b. vital capacity |
| Which of the following volumes/capacities can be measured with a spirometer? a. residual volume b. total lung capacity c. inspiratory reserve volume d. vital capacity | d. vital capacity |
| Which factors has the greatest influence on respiratory rate? a. blood level of oxygen b. alveolar level of oxygen c. blood level of carbon dioxide d. blood pH | c. blood level of carbon dioxide |
| Which of the following statements regarding respiratory rate is NOT true? a. Respiratory rate is defined as breaths per minute b. Exercising increases blood levels of carbon dioxide c. Hyperventilation increases blood levels of dioxide | c. Hyperventilation increases blood levels of dioxide |
| Which structure of the oral cavity is composed of skeletal muscle? a. lips b. hard palate c. tongue d. vestibule | c. tongue |
| Which of the following choices covers the root of a tooth? a. cementum b. pulp c. enamel d. dentin | a. cementum |
| Which of the following choices is found in the laryngopharynx? a. fauces b. palatine tonsil c. uvula d. non of the above | d. non of the above |
| Which of the following GI tract structures increases surfaces area for absorption? a. submucosa b. villi c. myenteric plexus d. lamina propria | b. villi |
| Which region of the stomach receives food from the esophagus? a. body b. cardia c. fundus d. pyloric antrum | b. cardia |
| Which of the following is the second section of the small intestine? a. duodenum b. ileum c. cecum d. jejunum | d. jejunum |
| Which section of the large intestine stores feces prior to defecation? a. haustra b. cecum c. rectum d. anus | c. rectum |
| Which of the following is NOT a salivary gland? a. submaxillary gland b. sublingual gland c. parotid gland d. submandibular bland | a. submaxillary gland |
| Which of the following is secreted by the pancreas? a. mucus b. bile c. buffers d. lysozyme | c. buffers |
| Which duct connects with the duodenum at the hepatopancreatic ampulla? a. common bile duct b. cystic duct c. common hepatic duct d. None of the above | a. common bile duct |
| Which of the following statements regarding digestion is NOT true? a. Chemical digestion is catalyzed by enzymes b. Digestive enzymes are proteins c. Digestion breaks down monomers into polymers | c. Digestion breaks down monomers into polymers |
| Which of the following molecules is NOT a disaccharide? a. fructose b. maltose c. lactose d. sucrose | a. fructose |
| Which of the following molecules is NOT absorbed into the bloodstream? a. glucose b. fructose c. galactose d. lactose | d. lactose |
| Which enzyme digests starch into maltose? a. lactase b. amylase c. maltase d. sucrase | b. amylase |
| Pepsin begins to work in the: a. mouth b. small intestine c. stomach d. None of the above | c. stomach |
| Proteins are polymers made of: a. amino acids b. monosaccharides c. polypeptidases d. triglycerides | a. amino acids |
| Proteases are: a. secreted by the brush border cells b. found within the epithelial cells of the GI tract c. secreted by the pancreas d. All the above | d. All the above |
| Fats are emulsified by: a. lipase b. pancreatin c. bile salts d. All the above | c. bile salts |
| Which of the following enzymes is NOT correctly matched with its substrate? a. amylase - starch b. trypsin - protein c. lipase - fat d. pepsin - lipids | d. pepsin - lipids |
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