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Kaplan Qbank USMLE



Author5 Posts
  #1

A 65-year-old man presents w/ a history of headache and difficulty walking. He felt well the previous night, but woke up w/ severe headache and was unable to move his right leg. Clinical examination reveals no higher cortical function deficit. The right leg is hypotonic, and the man is unable to move it. Deep tendon reflexes are absent, and an extensor plantar reflex cannot be elicited. The most likely cause for this problem is loss of blood flow in the
A. left anterior cerebral artery
B. left middle cerebral artery
C. left posterior cerebral artery
D. right anterior cerebral artery
E. right middle cerebral artery
F. right posterior cerebral artery

  #2

left anterior cerebral artery

___________________
Time is God!

  #3

if it's an cortical stroke (UMN), shouldn't he have hyperreflexia???




  #4

A

  #5

A,
he would develope hyperefflexia and other typical UMN signs a bit later on, as the onset has been on the same day.








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