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Kendra Jotten A F
Anatomy Final Kendra
| Question | Answer |
|---|---|
| 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? | The knee is acting as a fulcrum and the Movement is an example of a second class lever |
| Just as individual bones are organs of the skeletal system, individual muscles are organs of the muscular system | True |
| The sternocleidomastoid muscle is an example of a muscle named for its | point of attachment |
| Which of the following is not a group of pennate muscles | Bipennate and multipennate are pennate muscles Tripennate is not |
| Skeletal Muscles constitute approximately what percent of body weight? | 50% |
| Muscle fiber is | Another name for a skeletal muscle cell |
| Peroneus longus, Tibialis anterior and soleus are examples of | muscles that move the foot |
| The muscle that flexes the semipronated or semisupinated forarm is the | Brachioradialis |
| In pushing a weight from shoulder height to above the head which muscle is least used | Biceps brachii |
| Muscles that move the upper arm originate on the | clavicle and scapula |
| Which of the following is not a muscle of the quadracepts femoris group | Biceps femoris |
| The soleus muscles is an example of a | Pennate muscle |
| What is another name for a sphincter muscle? | Circular |
| The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name? | Rectus, Femoris |
| The muscle that allows the thumb to be drawn across the palm to touch the tip of any finger is the: | opponens pollicis. |
| A muscle is attached to the femur and tibia. Its function or action is to bend the knee. When it contracts, it is acting as the: | Prime mover |
| Which of the following body systems assists the muscles in maintaining posture? | Digestive, endocrine, excretory |
| The most common type of lever in the body is a _____-class lever. | Third |
| Poor Posture puts abnormal strain on bones and may eventually produce deformalities | True |
| The muscle(s) assisting in rotating the arm outward is (are) the: | Teres Minor |
| Which of the following is not a muscle that moves the thigh? | Adductor longus, gracilis,iliopsoas move it Sacrospinalis does not |
| The latissimus dorsi muscle is an example of a _____ muscle. | Spiral muscle |
| The prime mover can also be called the | agonist |
| The covering of individual muscle fibers: | endomysium |
| Fascia is a general term for the fibrous connective tissue found under the skin and around the muscle. | True |
| Lower leg muscles move the | Foot |
| The muscle that raises or lowers the shoulder to shrug them is the: | Trapezius |
| A neuron that on has one axon but several dendrites is classified as a | multipolar neuron |
| most unipolar neurons are | sensory neurons |
| Astrocytes attach to | neurons and blood vessels |
| nerves that contain mostly afferent fibers are called | sensory |
| One of the components of the blood brain barrier is | astrocytes |
| Which compound cannot cross the blood brain barrier | Dopamine a hormone |
| In the human nervous system | There are almost equal numbers of glia cells and neurons |
| Small distinct regions of gray matter in the CNS are called | Nuclei |
| Neurons in the CNS have less chance of regenerating for all of the following reasons except: | Microglia lay down scar tissue |
| A neuron that transmits a nerve impulse toward the central nervous system is called a | Sensory neuron |
| Fascicles are held together by a layer of connective tissue | perineurium |
| The largest and most numoreous types of neuroglia are the | astrocytes |
| Dendrites conduct impulses ____ cell bodies | Toward |
| Which of the following is the deepest connective tissue layer of a nerve | Endoneurium |
| Myelin Sheath | Does not cover cell bodies in the brain and spinal cord, but it is associated with white fibers is important for nerve impuls and is destroyed with multiple sclerosis |
| Along a neuron the correct pathway fro impulse conduction is | dendrite, cell body and axon |
| Name the function of the nervous system? | Integrating sensory information, ecaluating information and initiating an outgoing response |
| The autonomic nervous system does not stimulate: | Skeletal muscles |
| Multipolar neurons have | multiple dendrites and one axon |
| Interneurons reside in the | CNS |
| True or false? the lymphatic system like the circulatory system is a closed circuit | False |
| The nervouse system can be divided | according to structure, direction of information flow and effectors |
| The white matter of the nervous system is made up of | myelinated fibers |
| Grat matter consists of | cell bodies |
| What is true of a reflex arc | Consists of an afferent neuron and efferent neuron |
| The nervous system is organized | detect changes in the external and internal environment and evaluate the changes |
| The pyramids are formed in the: | Medulla |
| The spinal ganglion can be found on the _____ of the spinal nerve. | dorsal nerve root |
| Several “vital centers” are located in the | medulla. |
| The brain has _____ major divisions. | 6 |
| Parasympathetic neuron cell bodies are located in: the white columns of the sacral segments of the spinal cord. | nuclei of the brainstem and the lateral gray columns of the sacral cord. |
| Which of the following is not a branch of the trigeminal nerve? | Zygomatic nerve |
| All of the following are characteristics of sympathetic preganglionic neurons except: | they have long fibers from CNS to ganglion. |
| The layer of the meninges that serves as the inner periosteum of the cranial bone is the: | dura mater. |
| Which part of the vertebral column has one more pair of nerves coming from it than it has vertebrae? | Cervical |
| Spinal nerves are _____ fibers. | motor and sensory |
| Which part of the brain releases the hormone melatonin? | Pineal gland |
| The cranial nerve that arises from the spinal cord is the: | accessory. |
| Small branches from the cervical plexus join which two cranial nerves? | Hypoglossal and accessory |
| Cerebrospinal fluid circulates through the ventricles, into the central canal, and _____, and is absorbed back into the blood. | subarachnoid space |
| Beta receptors: | bind norepinephrine. |
| 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 _____ | coccygeal |
| The spinal nerves are connected to the spinal cord and consist of _____ pairs. | 31 |
| The spinal tract is located on the side of the cord, originates in the brain, and terminates in the spinal cord in the _____ tract. | lateral corticospinal |
| The areas specializing in language functions are found in the left cerebral hemisphere in: | about 90% of the population. |
| The main divisions of the central nervous system are the: | brain and spinal cord. |
| The brainstem does not include the: | cerebellum |
| Class of hormones secreted during chronic stress that depress immune function. | glucocorticoids |
| Pancreatic cell type that produces insulin. | beta cells |
| Receptors for hearing are located in the | cochlear duct. |
| Melanin-containing layer of the eye's vascular tunic. | choroid |
| The hypophyseal portal veins are primarily located in the | infundibulum |
| Endolymph-filled structure containing receptors for hearing. | cochlear duct |
| Largest purely endocrine gland in the body. | thyroid gland |
| Endolymph is made | in the stria vascularis. |
| Membrane attached to the stapes. | oval window |
| Which endocrine gland stores enough of its hormone extracellularly to last several months? | the thyroid |
| Region of the adrenal cortex that secretes DHEA. | zona reticularis |
| Which of the following is not part of the flow of taste sensation along the gustatory pathway to the cerebral cortex? | hypothalamic appetite centers |
| Microscopic vessels that carry blood from small arteries to small veins are | Capillaries |
| The free edges of the atrioventricular valves are anchored to the | papillary muscles. |
| A decrease in the amount of white blood cells is called | leukopenia. |
| Which of the following is not a formed element found in the blood? | plasma |
| The internal iliac artery supplies blood to the | pelvis. |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: | hematopoietic stem cells. |
| The size of lymph nodes varies from _____ mm to more than _____ mm in diameter. | 1; 20 |
| The tonsils located near the posterior opening of the nasal cavity are called the _____ tonsils. | pharyngeal |
| The primary organ of the lymphatic system is the | thymus. |
| Which of the following is not a lymph organ? | Pancreas |
| The cisterna chyli: | originates in the thoracic duct. |
| Lacteals: | are the lymphatics in the villi of the small intestines. are able to absorb fat from the digestive system. |
| The approximate length of the trachea, or windpipe, is _____ cm | 11 |
| The structures that deflect air as it passes through the nose are called: | choanae. |
| Paranasal sinuses are normally filled with | air |
| The structure in the neck known as the “Adam’s apple” is the: | thyroid cartilage. |
| The lower border of the cavity of the larynx is formed by the: | cricoid cartilage. |
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KendraJotten
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