Repeated USMLE Questions Step 1 | Review

Q- Which one of the following is the most common cause of viral myocarditis in the USA?

A- Human immunodeficiency virus (HIV)

B- Parvovirus B19

C- Rotavirus

D- Trypanosoma cruzi

B- Parvovirus B19- It is a small DNA virus known for causing erythema infectiosum (fifth disease) in children, which typically presents with a “slapped cheek” rash. It is also associated with more serious complications, including myocarditis. It is the leading cause of viral myocarditis in the USA.

Q- A 44-year-old man was worried that his penis changes in shape when it’s erect.

Which of the following is the most likely diagnosis?

A- Acute prostatitis

B- Balanitis

C- Erectile dysfunction

D- Peyronie disease

D- Peyronie disease- It is the most likely diagnosis. It occurs due to the formation of fibrous plaques causing curvature and deformation.

Q- Which of the following conditions is characterized by the formation of golden-brown rings around the peripheral cornea?

A- Cataract

B- Glaucoma

C- Keratoconus

D- Wilson’s disease

D- Wilson’s disease- It is a genetic disorder that causes copper to accumulate in the body. This can lead to the formation of golden-brown rings around the cornea, known as Kayser-Fleischer rings.

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