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Set 2 sci220
quiz #6-12
| Question | Answer |
|---|---|
| The latissimus dorsi muscle is an example of a _____ muscle. | spiral |
| The sternocleidomastoid muscle is an example of a muscle named for its: | points of attachment. |
| The muscle that raises or lowers the shoulders or shrugs them is the: | trapezius. |
| Skeletal muscles constitute approximately ____ of our body weight. | 50 |
| The linea alba is a band of connective tissue that runs over the rectus abdominis from the xiphoid process to the pubis. | t |
| Which of the following is not a muscle that moves the foot? Correct! | Sartorius |
| Which of the following is not a muscle that moves the thigh? | Sacrospinalis |
| Just as individual bones are the organs of the skeletal system, individual muscles are the organs of the muscular system. | True |
| Another name for a sphincter muscle is a _____ muscle. | circular |
| Which of the following muscles does not move the upper arm? | Trapezius |
| The Achilles tendon is common to both the gastrocnemius and the soleus. | True |
| The covering of individual muscle fibers is the: | endomysium |
| Fascia is a general term for the fibrous connective tissue found under the skin and around muscle. | True |
| Which of the following statements is incorrect? | All of the above are correct. |
| The muscle that flexes the semipronated or semisupinated forearm is the: | brachioradialis |
| All of the following muscles are part of the rotator cuff muscles except the: | deltoid |
| In pushing (pressing) a weight from shoulder height to above the head, which of the following muscles is least utilized? | Biceps brachii |
| The muscle that allows the thumb to be drawn across the palm to touch the tip of any finger is the: | opponens pollicis. |
| The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Which of the following is true? Correct! | The knee is acting as a fulcrum. |
| Which of the following is not a group of pennate muscles? | Tripennate |
| Muscles located on the lower leg move the: | foot |
| Fascicles are held together by a connective tissue layer called the: | perineurium |
| Which of the following is the deepest connective tissue layer of a nerve? | Endoneurium |
| Astrocytes attach to: | both A and C. |
| Small distinct regions of gray matter in the CNS are called: | nuclei |
| Which of the following is not a function of the central nervous system (CNS)? | All of the above are functions of the CNS. |
| Which is not true of the myelin sheath? | It covers cell bodies in the brain and spinal cord. |
| Nerves that contain mostly afferent fibers are called _____ nerves. | sensory |
| In the human nervous system: | there are almost equal numbers of glia cells and neurons. |
| Neurons in the CNS have less chance of regenerating for all of the following reasons except: | microglia lay down scar tissue. |
| The white matter of the nervous system is made up of: | myelinated fibers. |
| The efferent pathways of the autonomic nervous system consist of the ________ nervous systems. | sympathetic and parasympathetic |
| The largest and most numerous types of neuroglia are the: | astrocytes |
| The nervous system can be divided: | in all of the above ways. |
| The autonomic nervous system does not stimulate: | skeletal muscles. |
| There are _____ ventricles in the brain. | 4 |
| Spinal nerves are _____ fibers. | motor and sensory |
| The brainstem does not include the: | cerebellum. |
| Cerebrospinal fluid is found in all of the following except the: | subdural space. |
| Which of the following is not a branch of the trigeminal nerve? | Zygomatic nerve |
| A patient complains of numbness in the skin of the buttocks and the posterior surface of the thigh and leg. The spinal nerve or peripheral branch most likely involved with this condition is the _____ plexus. | coccygeal |
| Which plexus contains nerves that innervate the lower part of the shoulder and the entire arm? | Brachial |
| The innermost layer of the meninges is the: | pia mater. |
| The spinal nerves are connected to the spinal cord and consist of _____ pairs. | 31 |
| The main divisions of the central nervous system are the: | brain and spinal cord. |
| Several “vital centers” are located in the: | medulla |
| Small branches from the cervical plexus join which two cranial nerves? | Hypoglossal and accessory |
| The areas specializing in language functions are found in the left cerebral hemisphere in: | about 90% of the population. |
| Class of hormones secreted during chronic stress that depress immune function. | glucocorticoids |
| Gel-like structure embedded with the tips of cochlear hair cells. | tectorial membrane |
| Gustatory cells are located in all of the following areas except | on the apical surface of vallate papillae on the tongue. |
| Endolymph-filled structure containing receptors for hearing. | cochlear duct |
| Which of the following statements does not correctly describe the spiral organ of Corti? | The tectorial membrane bends with vibrations, whereas the basilar membrane is rigid and fixed. |
| Melanin-containing layer of the eye's vascular tunic. | choroid |
| Pancreatic cell type that produces insulin. | beta cells |
| The _____ is(are) supplied with blood from the left subclavian artery. | head and upper extremities |
| In _____, blood moves from veins to other veins or arteries to other arteries without passing through an intervening capillary network. | vascular anastomoses |
| Which types of arteries are also called conducting arteries and include the aorta? | elastic arteries |
| A graphic record of the heart’s electrical activity is a(n) | ECG |
| All of the following are granulocytes except | lymphocytes. |
| The lymph nodes located just above the bend of the elbow are called the _____ lymph nodes. | supratrochlear |
| The internal environment of the human body is protected by the _____, which is(are) referred to as the first line of defense. | skin |
| A type of blood cell produced by lymph nodes is called a(n) | monocyte |
| The lymphatic system, like the circulatory system, is a closed circuit. | True |
| Interferon inhibits the spread of: | bacteria. cancer. |
| During their residence in the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. | thymocytes |
| Which of the following is not part of the respiratory membrane? | Ciliated respiratory mucosa |
| The divisions of the thoracic cavity include all of the following except the: | respiratory cavity. |
| The approximate length of the trachea, or windpipe, is _____ cm. | 11 |
| The largest of the paranasal sinuses is the: | maxillary |
| Anatomically, how does the right bronchus differ from the left bronchus, and what effect might this have on the aspiration of objects? | The right bronchus is slightly larger and more vertical than the left. This anatomical fact helps explain why aspirated foreign objects frequently lodge in the right bronchus. |
| The hard palate consists of portions of: | four bones: two maxillae and two palatines. |
| 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 |
| Microvilli can be found in the: | small intestine. large intestine. |
| The more common term for deglutition is: | swallowing. |
| Which of the following organs has a mucosal layer that is composed of columnar epithelium with a brush border of microvilli to enhance absorption? | Small intestine |
| The part of the colon that lies in the vertical position, on the left side of the abdomen, extending from a point below the stomach and spleen to the level of the iliac crest is the _____ colon. | descending |
| Bile is secreted by: | hepatic cells. |
| Surgical removal of the gallbladder is referred to as: | cholecystectomy. |
| The longest portion of the small intestine is the: | ileum. |
Created by:
abelardoj12