SPEX Neurology 3

Question 1

A 30-year-old woman presents with episodic unilateral headache, nausea, photophobia, and phonophobia lasting 6 hours. What is the diagnosis?

Accepted Answer

Migraine without aura

Answer

Migraine without aura is characterized by unilateral throbbing headache with nausea, photophobia, and phonophobia lasting 4–72 hours.

Question 2

Which test is used to evaluate the integrity of the corticospinal tract?

Accepted Answer

Babinski sign

Answer

An upgoing plantar reflex (Babinski sign) indicates an upper motor neuron lesion in the corticospinal tract.

Question 3

A 70-year-old man develops sudden inability to speak but can understand language perfectly. Which aphasia does he have?

Accepted Answer

Broca aphasia

Answer

Broca aphasia is a non-fluent aphasia with intact comprehension, caused by lesions in the left inferior frontal gyrus.

Question 4

Which of the following is the most common cause of peripheral neuropathy in the United States?

Accepted Answer

Diabetes mellitus

Answer

Diabetic peripheral neuropathy is the most common cause of peripheral neuropathy in the US, affecting up to 50% of diabetic patients.

Question 5

A patient has weakness of finger abduction and adduction with wasting of the intrinsic hand muscles but intact wrist flexion. Which nerve is most likely injured?

Accepted Answer

Ulnar nerve

Answer

The ulnar nerve innervates most intrinsic hand muscles including the interossei and hypothenar muscles responsible for finger abduction/adduction.

SPEX Exam Practice Test

SPEX Exam Practice Test

SPEX Neurology 3