USMLE-Rx Step 3 Practice Q's

USMLE-Rx Step 3 Qmax Challenge #31030

9

Check out this Step 3 Qmax Question Challenge.

Know the answer? Post it in the comments below! Don’t forget to check back for an update with the correct answer and explanation (we’ll post it in the comments section below).

USMLE-Rx Step 3 Qmax Challenge #31030An 11-year-old boy comes to the emergency department because of fever, headache, rash, and mild abdominal pain. He states that he was hiking in the Appalachian Mountains of North Carolina for 4 days as part of a Boy Scout trip. His temperature is 38.3°C (101°F), pulse is 115/min, blood pressure is 95/60 mm Hg, respiratory rate is 14/min, and oxygen saturation is 98% on room air. Examination is most notable for the skin finding shown in the image. Laboratory tests show a WBC count of 16,000/mm³, hematocrit of 46%, and platelet count of 412,000/mm³.

The patient has which of the following conditions that is also reportable to the Centers for Disease Control and Prevention?

A. Ehrlichiosis
B. Lyme disease
C. Meningococcemia
D. Rocky Mountain spotted fever
E. Staphylococcal cellulitis

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This practice question is an actual question from the USMLE-Rx Step 3 test bank. Get more Step 3 study help at USMLE-Rx.com.

USMLE-Rx Step 3 Qmax Challenge #31003

6

Check out this Step 3 Qmax Question Challenge.

Know the answer? Post it in the comments below! Don’t forget to check back for an update with the correct answer and explanation (we’ll post it in the comments section below).

USMLE-Rx Step 3 Qmax Challenge #31003An 88-year-old woman with mild dementia, hypertension, gastroesophageal reflux disease, hypothyroidism, and osteoarthritis presents to her primary care physician for evaluation of an unsteady gait. She and her family have noticed gradual worsening of her gait over the past year. She denies dizziness or lightheadedness and she has no pain. She says that she is not interested in cooking any more and mostly eats toast with jam and drinks tea or coffee. Her medications include hydrochlorothiazide, levothyroxine, acetaminophen, aspirin, and pantoprazole. Her vital signs are unremarkable. Her examination is most notable for mild conjunctival pallor, decreased proprioception in the toes, and a positive Romberg’s sign. Laboratory tests reveal a hematocrit of 29% and mean corpuscular volume of 108 fL. A peripheral blood smear is shown in the image.

Which of her medications is most likely exacerbating her anemia?

A. Acetaminophen
B. Aspirin
C. Hydrochlorothiazide
D. Levothyroxine
E. Pantoprazole

———————–

Want to know the ‘bottom line?’ Purchase a USMLE-Rx Subscription and get many more features, more questions, and passages from First Aid, including images, references, and other facts relevant to this question.

This practice question is an actual question from the USMLE-Rx Step 3 test bank. Get more Step 3 study help at USMLE-Rx.com.

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