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Neurology Flashcards

7 cards from real SPEX practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Neurology flashcards as text

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

    Answer: Migraine without aura

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

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

    Answer: Babinski sign

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

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

    Answer: Broca aphasia

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

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

    Answer: Diabetes mellitus

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

  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?

    Answer: Ulnar nerve

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

  6. Which imaging modality is preferred for evaluating suspected acute ischemic stroke?

    Answer: Non-contrast CT of the head

    Non-contrast CT is the first-line study to rule out hemorrhage before thrombolytic therapy in acute stroke.

  7. A 25-year-old presents with ascending weakness beginning in the legs 2 weeks after a GI infection. CSF shows albuminocytologic dissociation. What is the diagnosis?

    Answer: Guillain-Barré syndrome

    Guillain-Barré syndrome presents with post-infectious ascending flaccid paralysis and CSF showing high protein with normal cell count (albuminocytologic dissociation).