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nwc predictor test
st430 A&P Spinal cord & Peripheral nerves
| Question | Answer |
|---|---|
| which of the following is least related to CN VIII? | wernicke's area |
| the roman numerals that designate the cranial nerves indicate: | the order in which the nerves exit the brain |
| the baroreceptor reflex controls: | blood pressure |
| which of the following is least descriptive of the olfactory nerve? | moves the tongue |
| the somatic motor branch of the peripheral nervous system: | is an efferent branch of the peripheral nervous system |
| which of the following is least true of the spinal cord? | the adult spinal cord extends the length of the spinal activity |
| the fifth cranial nerve, called the____ nerve, is a mixed nerve that detects sensations from the scalp, face, and teeth. | trigeminal |
| sensory information is carried by the cochlear branch of CN VIII to the: | more than one answer above |
| an intramuscular injection into the buttocks is given in the upper outer quadrant in an attempt to avoid injuring which nerve? | sciatic |
| which word best describes the following: spinothalamic, pyramidal, corticospinal? | tracts |
| which group is incorrect? | cranial nerves: vagus, facial, median cubital, oculomotor |
| sensory nerve fibers travel from the periphery to the spinal cord through the: | dorsal root |
| damage to which nerve prevents extension of the hip and flexion of the knee? | sciatic |
| which group is incorrect? | spinal nerves: phrenic, axillary, sciatic, vagus. |
| which of the following is true about the pyramidal tract? | it descends to the medulla oblongata, where most fibers decussate and descend on the contralateral side of the body |
| which of the following is not descriptive of the optic nerve? | move the eyeball |
| a piece of dirt blows into your left eye, embedding in the cornea. which of the following is not part of a reflex that is activated? | the ophthalmic branch of the trigeminal nerve carries sensory information to the primary visual cortex. |
| a patient has suffered an injury to the right cerebral hemisphere and has left-sided paralysis. which word best explains this? | decussation |
| which large nerve emerges from the distal end of the spinal cord and innervates the lower extremities? | sciatic |
| what is described: cervical (8) thoracic (12) lumbar (5) sacral (5) and coccygeal (1) ? | spinal nerves |
| the major function of the spinal cord include: | acting as a sensory and motor pathway and reflex center |
| which of the following occurs last (patellar tendon reflex)? | the effector organ contracts |
| an area of skin innervated by a spinal nerve is called a : | dermatome |
| which of the following is the best description of a motor tract? | descending tract |
| unlike most cranial nerves, this cranial nerve innervates organs in the thorax and abdominopelvic cavity | vagus |
| which of the following nerves is often "deadened" or anesthetized for the purpose of childbirth? | pudendal |
| which of the following is the most serious consequence of a damaged or anesthetized glossopharyngeal nerve? impaired: | gag reflex and aspiration of food and water into the respiratory passages |
| damage to which cranial nerve causes blindness? | II |
| a spinal cord injury at the level of C2 causes | quadriplegia and an inability to breathe |
| the tenth cranial nerve, the______nerve, "wanders" outside the head are and innervates the heart and gastrointestinal system | vagus |
| to achieve spinal anesthesia, a -caine drug is injected into the: | subarachnoid space |
| identify the disorder: clusters of vesicles develop along cranial or spinal dermatomes; herpes zoster, postherpetic neuralgia | shingles |
| the babinski reflex is elicited by: | stroking the sole of the foot |
| both the trigeminal and facial nerves participate in the ______reflex | corneal |
| spinal nerves: | are mixed |
| which of the following is least related to the olfactory nerve? | motor, causing flaring of the nares |
| which of the following is most descriptive of the phrenic nerve? | motor nerve supplying the diaphragm |
| which group is incorrect? | plexuses: cervical, brachial, lumbosacral, cauda equina |
| a surgical patient is given a curare like drug intravenously, thereby blocking his NM receptors. you would expect this patient to | require assistance breathing |
| a hammer strikes the achilles tendon to elicit which stretch reflex? | ankle jerk |
| if this reflex is not working, a person is in danger of choking on food. | gag |
| damage to which nerve causes crutch palsy? | axillary |
| the dermatome is most related to which of the following? | spinal nerve distribution |
| which of the following is true of the spinothalamic tract? | sensory for touch, pressure and pain |
| which of the following is true of CNs III, IV, and VI? all: | move the eyeballs |
| at which structure are spinal nerves grouped and sorted? | a plexus |
| a gag reflex is meditated by which nerve? | glossopharyngeal nerve |
| the pyramidal tract: | is also called the corticospinal tract |
| which of the following is located within the spinal cavity? | cauda equina |
| which of the following is least descriptive of the phrenic nerve? | primarily afferent fibers |
| damage to the common peroneal nerve causes: | foot drop |
| which of the following is the major motor tract? | pyramidal |
| a person with damage to ________ has the weakest blink | the facial nerve |
| which of the following is least related to tic douloureux? | impairment: bone conduction deafness |
| which of the following is descriptive of cranial nerve VII? | vestibulocochlear |
| ptosis of the eyelid and dilated and fixed pupils reflect pressure on which nerve? | oculomotor |
| the first, second, and eighth cranial nerves: | are sensory nerves |
| which of the following is not true of the median, radial, and ulnar nerves? | emerge from the cervical plexus |
| which reflex is stimulated by stroking the sole of the foot with a sharp object? | babinski |
| the douloureux, or trigeminal neuralgia, is characterized by | intense facial pain |
| which of the following is true of CN I, II, and VIII? all are: | sensory |
| the ulnar, radial, and median nerves supply the: | forearm and hand |
| all nervous reflexes: | require a sensory and motor arm |
| excess pressure on this cranial nerve affects pupillary size and the activity of the levator palpebrae superioris | III |
| which reflex is concerned with the regulation of blood pressure? | baroreceptor |
| a lumbar puncture is done by inserting a needle into the: | subarachnoid space |
| ptosis of the eyelid and fixed/dilated pupil are indicative of: | excess pressure of the oculomotor nerve |
| the ovulomotor, trochlear, and abducens are cranial nerves that: | innervate the extrinsic eye muscles ( move the eyeball) |
| which tract arises within the spinal cord and ascends to the diencephalon? | spinothalamic |
| which of the following is not true of Bell's palsy? | spasm: sternocleidomastoid bilaterally |
| a person with _____is most likely to require eye drops in order to moisten the cornea | bells palsy |
| a dilated and fixed pupil indicates pressure on which cranial nerve? | cranial nerve III |
| the _______nerve (tract) carries sensory information toward the brain | spinothalamic |
| to which of the following do these characteristics apply: light touch, pressure, pain, and temperature? | spinothalamic tract |
| if phrenic nerve were cut or severed, the patient would not be able to: | breathe |
| to evaluate this cranial nerve, the person is asked to stick out the tongue and the nurse notes any deviation in the position of the protruded tongue. | hypoglossal |
Created by:
editsuchan
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