USMLE Test 3 Exam Questions
with Correct Verified Answers
Latest Update (2024/2025)
Guaranteed Pass
Which of the following is true regarding Rickettsia rickettsii:
A. Highest attack rates occur in Colorado and Utah
B. It can be transmitted by flying squirrels
C. Sheep and cattle are important reservoirs
D. It is transmitted by ticks - ANS ✓D
Which of the following statements is true concerning Q fever:
A. The organism is transmitted by fleas
B. Headache, fever, and petechial rash are characteristic features of
the disease
C. The chronic disease is call Brill-Zinsser
D. The disease is caused by Coxiella burnetii - ANS ✓D
Each of the following statements concerning epidemic typhus is
correct EXCEPT:
A. The disease is characterized by a rash that begins on the trunk and
moves distally.
B. The recrudescent form of the disease is called Brill-Zinsser
C. The disease is caused by Rickettsia typhi
USMLE Test 3
, 2
USMLE
D. The causative organism is transmitted to humans by lice - ANS ✓C
Each of the following statements concerning Q fever is correct
EXCEPT:
A. Rash is a prominent feature
B. It is transmitted by respiratory aerosol
C. Sheep and cattle are in important reservoir
D. It is caused by Coxiella burnetii - ANS ✓A
The infection most often associated with Cryptococcus neoformans is:
A. Septic arthritis
B. Sinusitis
C. Pneumonia
D. Meningitis - ANS ✓D
Which of the following statements regarding mycoplasmas is NOT
correct?
A. Mycoplasmas are the smallest free-living micro-organisms.
B. Mycoplasmas are resistant to cell wall active antibiotics.
C. Mycoplasmas are common commensals of the respiratory and
urogenital tracts.
D. Mycoplasmas stain well with the Gram's stain.
E. Mycoplasmas grow slowly on enriched media. - ANS ✓D
Which of the following statements concerning Chlamydia trachomatis
infections is NOT correct?
A. Serology is the diagnostic test of choice in the diagnosis of acute
infection.
USMLE Test 3
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller DoctorKen. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.99. You're not tied to anything after your purchase.