ABPN Neurological Examination and Conditions 3

Question 1

A patient presents with sudden weakness of the entire right face, arm, and leg, plus aphasia. Which vascular territory is most likely involved?

Accepted Answer

Left middle cerebral artery

Answer

The left MCA supplies motor/sensory cortex for the right body and dominant-hemisphere language areas, explaining right-sided weakness with aphasia.

Question 2

Which bedside test best assesses cerebellar function of the upper limbs?

Accepted Answer

Finger-to-nose testing

Answer

Finger-to-nose testing reveals dysmetria and intention tremor characteristic of cerebellar dysfunction.

Question 3

A patient has ptosis, miosis, and anhidrosis on one side of the face. This triad is called:

Accepted Answer

Horner syndrome

Answer

Horner syndrome results from disruption of the sympathetic pathway, producing drooping lid, small pupil, and reduced sweating.

Question 4

Nuchal rigidity, fever, and photophobia in an acutely ill patient most strongly suggest:

Accepted Answer

Meningitis

Answer

Meningeal irritation from meningitis classically causes neck stiffness, fever, and photophobia.

Question 5

Which grade on the Medical Research Council (MRC) scale indicates movement with gravity eliminated but not against gravity?

Accepted Answer

Grade 2

Answer

MRC grade 2 is active movement possible only when gravity is removed.

American Board of Psychiatry and Neurology Practice Test