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The nurse who is employed in a neurologist's office is performing a history and assessment on a client experiencing hearing difficulty. The nurse is most correct to gather equipment to assess the function of which cranial nerve?
- A. II
- B. VI
- C. VIII
- D. XI
Correct Answer: C
Rationale: There are 12 pairs of cranial nerves. Cranial nerve VIII is the vestibulocochlear or auditory nerve responsible for hearing and balance. Cranial nerve II is the optic nerve. Cranial nerve VI is the abducens nerve responsible for eye movement. Cranial nerve XI is the accessory nerve and is involved with head and shoulder movement.
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The nurse collects neurologic data and determines that the client has significant visual deficits. A brain tumor is considered. Which area of the brain does the nurse consider to be most likely to contain the neurologic deficit?
- A. Frontal
- B. Parietal
- C. Occipital
- D. Temporal
Correct Answer: C
Rationale: The visual receiving area is in the occipital lobe; therefore, this is the area of the brain the nurse determines is affected for the client with significant visual deficits. The frontal lobe contains the written and motor speech areas. The parietal lobe is the primary sensory area of the brain. The temporal lobe is the auditory receiving and association area of the brain, and is responsible for speech comprehension (i.e., Wernicke area).
The nurse provides care for a client with a deteriorating neurologic status. The nurse collects data at the beginning of the shift that reveals a falling blood pressure (BP) and heart rate (HR), and the client makes no motor response to stimuli. Which documentation of neuromuscular status is most appropriate?
- A. Flaccidity
- B. Abnormal posture
- C. Weak muscular tone
- D. Decorticate posturing
Correct Answer: A
Rationale: The nurse should document flaccidity when the client makes no motor response to stimuli. Clients with impaired cerebral function manifest abnormal posturing, which is documented by the nurse as either decorticate posturing (decorticate rigidity), a position in which the arms are flexed, fists are clenched, and the legs are extended or decerebrate posturing (decerebrate rigidity), when the extremities are stiff and rigid. Muscle tone is documented using a scale of 0 to 5; therefore, weak muscular tone is not the most appropriate documentation.
A client is weak and drowsy after a lumbar puncture. The nurse caring for the client knows that what priority nursing intervention should be provided after a lumbar puncture?
- A. Administer antihistamines to the client.
- B. Provide adequate caffeine-rich drinks to the client.
- C. Leave the client to rest and do not perform any assessments.
- D. Position the client flat as directed.
Correct Answer: D
Rationale: A client who has undergone a lumbar puncture should be positioned flat and given adequate fluids. These measures help restore the cerebrospinal fluid volume extracted from the client and are priority activities. The client is administered antihistamines to manage any allergic reactions that may occur from the test. The nurse should assess the LOC or the pupil response of the client after a lumbar puncture. Parenteral administration of caffeine sodium benzoate may offset cerebral vasodilation.
A nurse is working in a neurologist's office. The physician orders a Romberg test. What should the nurse instruct the client to do?
- A. Touch nose with one finger.
- B. Close eyes and stand erect.
- C. Close eyes and discriminate between dull and sharp.
- D. Close eyes and jump on one foot.
Correct Answer: B
Rationale: In the Romberg test, the client stands erect with the feet close together and eyes closed. If the client sways as if to fall, it is considered a positive Romberg test. All of the other options include components of neurologic tests, indicating neurologic deficits and balance.
A client is waiting in a triage area to learn the medical status of family members following a motor vehicle accident. The client is pacing, taking deep breaths, and handwringing. Considering the effects in the body systems, what does the nurse anticipate the liver will do?
- A. Cease function and shunt blood to the heart and lungs.
- B. Convert glycogen to glucose for immediate use.
- C. Produce a toxic by-product in relation to stress.
- D. Maintain a basal rate of functioning.
Correct Answer: B
Rationale: When the body is under stress, the sympathetic nervous system is activated to ready the body for action. The effect of the body is to mobilize stored glycogen to glucose to provide additional energy for body action.