USMLE® Step 1

7 MIN READ

Kaplan USMLE Step 1: Young boy gets blistering sunburn

Prep with help from Kaplan Medical. What defect in cellular processes causes a boy to get a blistering sunburn after barely five minutes in the sun?

4 MIN READ

Kaplan USMLE Step 1: Patient with protein-losing gastroenteropathy

Prep with help from Kaplan Medical. An endoscopy shows enlarged gastric rugal folds. What would you expect to see in the mucosa of the biopsy specimen?

4 MIN READ

Kaplan USMLE Step 1: Calculating a drug’s half-life

Prep with help from Kaplan Medical. The case: After an adverse reaction to an investigational drug, how long before the plasma drug level is about 6%?

6 MIN READ

Kaplan USMLE Step 1: Patient with asthma develops seizures

Prep with help from Kaplan Medical. Can you answer this stumper: The drug most likely responsible for this patient's symptoms acts by what mechanism?

7 MIN READ

Kaplan USMLE Step 1: Which factor is involved in the pathogenesis?

Prep with help from Kaplan Medical. A patient currently on antiretroviral therapy enters emergency department with confusion, dizziness and fatigue.

3 MIN READ

Kaplan USMLE Step 1: Blood accidentally drawn from femoral vein

Prep with help from Kaplan Medical. When compared to an arterial blood sample, the venous sample will most likely show what differences?

7 MIN READ

Kaplan USMLE Step 1: Patient has sudden jerking movements in arms

Prep with help from Kaplan Medical. Patient has condition that leads to loss of GABAergic neurons in the basal ganglia. What condition has a similar pathogenesis?

8 MIN READ

Kaplan USMLE Step 1: Flank pain in patient with sickle cell disease

Prep with help from Kaplan Medical. What is the most likely cause of this patient’s sharp left flank pain associated with nausea and vomiting?

8 MIN READ

Kaplan USMLE Step 1: What has infected this pet shop owner?

Prep with help from Kaplan Medical. Patient reports flu-like symptoms, nausea and weakness with a fever lasting two weeks prior to his present condition.