Repeated USMLE Questions Step 2 CK- 487

Q- Which one of the following is the most common cause of microcytic hypochromic anemia in a patient diagnosed with progressive renal failure?

A- Blood loss

B- Erythropoietin deficiency

C- Frequent hematuria

D- Iron deficiency anemia

B- Erythropoietin deficiency- Kidneys produce erythropoietin which stimulates the production of RBCs. Its production is affected by renal failure.

Q- A patient presents to the ER with a history of taking a large amount of acetaminophen tablets. Which of the following is the most appropriate next step of action?

A- Administer N-acetylcysteine

B- Blood transfusion

C- Measure serum acetaminophen concentration

D- Prepare for hemodialysis

C- Measure serum acetaminophen concentration- Before starting any treatment you should make sure of the concentration of acetaminophen to adjust treatment with N-acetylcysteine or any advanced maneuver.

Q- An old patient complains of server pain in his right shoulder. He mentions that he had shingles on the same area of skin last week. Which of the following is the most appropriate treatment at this time?

A- Carbamazepine

B- Ibuprofen

C- Morphine

D- Nortriptyline

D- Nortriptyline- This is a case of post-herpetic neuralgia (PHN) which affects nerves. Tricyclic antidepressants such as Nortriptyline are very effective in this case. Carbamazepine is more effective in trigeminal neuralgia.

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