PANRE PANRE Infectious Disease 1

Question 1

A 25-year-old presents with fever, headache, and a rash that began on the wrists and ankles and spread centrally after a tick exposure. What is the most likely diagnosis?

Accepted Answer

Rocky Mountain Spotted Fever

Answer

Rocky Mountain Spotted Fever (RMSF) classically presents with fever, headache, and a centripetal rash beginning on the wrists and ankles caused by Rickettsia rickettsii.

Question 2

Which antibiotic is the drug of choice for Rocky Mountain Spotted Fever in all age groups, including children?

Accepted Answer

Doxycycline

Answer

Doxycycline is the first-line treatment for RMSF in all patients, including children, due to its superior efficacy against Rickettsia species.

Question 3

A patient presents with a painless genital ulcer with indurated edges. Which organism is responsible?

Accepted Answer

Treponema pallidum

Answer

Primary syphilis is characterized by a painless, indurated genital chancre caused by Treponema pallidum.

Question 4

What is the preferred first-line agent for uncomplicated urinary tract infections in otherwise healthy adult women in the United States?

Accepted Answer

Nitrofurantoin

Answer

Nitrofurantoin is a preferred first-line agent for uncomplicated UTIs due to low resistance rates and minimal impact on systemic flora.

Question 5

A patient with HIV has a CD4 count of 175 cells/µL. Which opportunistic infection prophylaxis must be initiated?

Accepted Answer

TMP-SMX for Pneumocystis jirovecii pneumonia

Answer

PCP prophylaxis with TMP-SMX is indicated when CD4 count falls below 200 cells/µL to prevent Pneumocystis jirovecii pneumonia.

PANRE Test Practice Test

PANRE Test Practice Test

PANRE PANRE Infectious Disease 1