Repeated USMLE Questions Step 1- 339

Q- Which one of the following types of cells myelinates axons of neurons of CNS?

A- Astrocytes

B- Microglia

C- Oligodendroglia

D- Schwann cells

C- Oligodendroglia



Q- Which one of the following tests is diagnostic for acromegaly?

A- Fasting blood glucose level

B- Serum cortisol level

C- Serum growth hormone level

D- Serum insulin-like growth factor-1 (IGF-1)

D- Serum insulin-like growth factor-1 (IGF-1)



Q- Prophylaxis in HIV patients with TMP-SMX should be initiated at which of the following CD4 counts?

A- Under 300

B- Under 200

C- Under 100

D- Under 50

B- Under 200



1 thought on “Repeated USMLE Questions Step 1- 339”

  1. Many thanks for sending questions
    I will appreciate if send explanations as well.
    Regards
    Mahesh

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