Repeated USMLE Questions Step 1- 351

Q- Which of the following laboratory tests could be slightly increased in Gilbert’s syndrome?

A- Bilirubin, direct

B- Bilirubin, indirect

C- Haptoglobin

D- Triglyceride

B- Bilirubin, indirect- Mild indirect hyperbilirubinemia is not harmful in Gilbert’s syndrome unless it is associated with stress or illness.

Q- A neonate presents by renal failure and pulmonary hypoplasia.

What is your diagnosis?

A- Niemann-Pick disease

B- Phenylketonuria

C- Pompe disease

D- Recessive polycystic kidney disease

D- Recessive polycystic kidney disease- RPKD begins in utero and is characterized by decreased urine production leading to oligohydramnios which results in pulmonary hypoplasia.

Q- Which of the following receptors is inhibited by ondansetron to treat nausea following chemotherapy?

A- Dopamine receptors

B- Muscarinic receptors

C- Nicotinic receptors

D- Serotonin 5-HT receptors

D- Serotonin 5-HT receptors- Ondansetron is a serotonin 5-HT-receptor antagonist

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