MSNCB Neurological Nursing 3

Question 1

A patient with myasthenia gravis develops worsening weakness, dysphagia, and difficulty breathing after a respiratory infection. This presentation is most consistent with:

Accepted Answer

Myasthenic crisis

Answer

Myasthenic crisis is triggered by physiological stressors like infection and causes severe muscle weakness including respiratory muscles.

Question 2

Which clinical sign differentiates Parkinson's disease tremor from essential tremor?

Accepted Answer

Tremor is present at rest in Parkinson's disease

Answer

Parkinson's tremor is a resting tremor that diminishes with intentional movement, while essential tremor occurs with action or posture.

Question 3

A nurse notes CSF leaking from a patient's nose after a basilar skull fracture. The most appropriate nursing action is to:

Accepted Answer

Test the drainage with a glucose oxidase strip and keep HOB elevated

Answer

CSF rhinorrhea is confirmed by testing for glucose; the HOB is elevated to reduce CSF pressure, and nasal packing is contraindicated due to infection risk.

Question 4

Which drug is the FIRST-LINE treatment for an ischemic stroke patient who presents within the thrombolytic window?

Accepted Answer

IV alteplase (tPA)

Answer

IV alteplase (tPA) is the only FDA-approved thrombolytic for acute ischemic stroke and must be given within 3-4.5 hours of symptom onset.

Question 5

A patient with multiple sclerosis reports worsening of all symptoms when the room temperature is increased. This phenomenon is known as:

Accepted Answer

Uhthoff's phenomenon

Answer

Uhthoff's phenomenon is the temporary worsening of MS symptoms with heat, due to impaired conduction through demyelinated axons.

(MSNCB) Medical-Surgical Nursing Certification Board Practice Test

(MSNCB) Medical-Surgical Nursing Certification Board Practice Test

MSNCB Neurological Nursing 3