Repeated USMLE Questions Step 1- 170

A 37-year-old man visits his physician with complaints of sore throat, fever and muscle aches for 4 days. Throat swab is negative. His physician discussed with him the use of antibiotics in his case. The patient had read in an old magazine that one of the antibiotics is effective but the his physician explains that this antibiotic is highly nephrotoxic.

Which one of these antibiotics is the most nephrotoxic?

A- Ampicillin

B- Amoxicillin

C- Cloxacillin

D- Methicillin

E- Rifampin


Methicillin is the most known nephrotoxic out of the list. Its usage is discontinued in a lot of countries because its extreme nephrotoxicity.

The correct answer is D

2 thoughts on “Repeated USMLE Questions Step 1- 170”

  1. This is very interesting. I guess you should work on getting USMLE as soon as you can so, you can get residency in the USA. Let me know if you need any help that I can do. Thank you for sharing your amazing status.

  2. I am MD doctor that I have graduated from kabul medical university . I worked more than 4 years with US military hospital in Bagram air base in Afghanistan, I also applied for SIV program ( special immigration visa ) to USA but my cases are under processing in American embassy in Afghanistan. the person who served behalf of forigne military in Afghanistan they are eligible for a living in USA, right now I’m working as GPD doctor in Afghan Japan research and diagnostic hospital in kabul Afghanistan by Japanese government technical support as pulmonologist doctor.

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