Nokea
The nurse is developing a plan of care for a patient with dysfunction of the cerebellum. Which of the following goals of care should the nurse include?
- A. Prevent falls.
- B. Stabilize mood.
- C. Enhance swallowing ability.
- D. Improve short-term memory.
Correct Answer: A
Rationale: Because functions of the cerebellum include coordination and balance, the patient with dysfunction is at risk for falls. The cerebellum does not affect memory, mood, or swallowing ability.
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The nurse is admitting a patient with a brain stem infarction. Which of the following assessments is priority?
- A. Reflex reaction time
- B. Pupil reaction to light
- C. Level of consciousness
- D. Respiratory rate and rhythm
Correct Answer: D
Rationale: Vital centres that control respiration are located in the medulla, and these are the priority assessments because changes in respiratory function may be life threatening. The other information also will be collected by the nurse, but it is not as urgent.
The nurse is preparing a patient for a lumbar puncture. Which of the following actions should the nurse implement?
- A. Transfer the patient to radiology just before the procedure.
- B. Help the patient to a side lying position before the procedure.
- C. Place the patient on NPO status for 4 hours before the procedure.
- D. Administer a sedative medication 30 minutes before the procedure.
Correct Answer: B
Rationale: For a lumbar puncture, the patient lies in the lateral recumbent position. The procedure does not usually require a sedative, is done in the patient room, and has no risk for aspiration.
After reviewing a patient's cerebrospinal fluid (CSF) analysis, which of the following results is most important for the nurse to communicate to the health care provider?
- A. Specific gravity 1.007
- B. Protein 6.5 g/L
- C. White blood cell (WBC) count 5 x 10^6/L
- D. Glucose 2.5 mmol/L
Correct Answer: B
Rationale: The protein level is high. The specific gravity, WBCs, and glucose values are normal.
A patient has a lesion that affects lower motor neurons. During assessment of the patient's lower extremities, which of the following findings should the nurse expect?
- A. Spasticity
- B. Flaccidity
- C. Loss of sensation
- D. Hyperactive reflexes
Correct Answer: B
Rationale: Because the cell bodies of lower motor neurons are directly affected, a lesion results in flaccidity, loss of muscle tone, and decreased reflexes. Spasticity and hyperactive reflexes are associated with upper motor neuron lesions. Loss of sensation is related to sensory nerve damage, not motor neuron lesions.
Which of the following actions should the nurse implement to assess the functioning of the trigeminal and facial nerves (CN V and VII) in a patient?
- A. Apply a cotton wisp strand to the cornea.
- B. Have the patient read a magazine or book.
- C. Shine a bright light into the patient's pupil.
- D. Check for unilateral drooping of the eyelids.
Correct Answer: A
Rationale: The trigeminal and facial nerves are responsible for the corneal reflex. The optic nerve is tested by having the patient read a Snellen chart or a newspaper. Assessment of pupil response to light and ptosis are used to check function of the oculomotor nerve.