Repeated USMLE Questions Step 2 CK- Review- 20

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Q- Which one of the following conditions most likely shows right axis deviation on electrocardiogram (ECG)?

A- Anterolateral myocardial infarction

B- Inferior myocardial infarction

C- Left ventricular hypertrophy

D- Ventricular tachycardia

A- Anterolateral myocardial infarction- It is the only one on the list that most likely shows right axis deviation. The other choices most likely show left axis deviation.



Q- Histopathology of skin in cases of drug eruption often shows which one of the following types of cells?

A- Basophils

B- Eosinophils

C- Mast cells

D- T lymphocytes

B- Eosinophils- Patients present with drug eruptions most likely have peripheral eosinophilia on histopathology.



Q- A 40-year-old woman presents to her regular physician for evaluation of a left adrenal mass. This mass was seen by accident last week on a CT scan during a visit to the emergency room for abdominal pain. Her vital signs, physical examination and review of systems are all normal. Her past history and family history are unremarkable.

What is the first step in management for this patient?

A- Assure the patient and schedule another CT scan after 6 months

B- Order hormonal assay to evaluate if the mass is functional or not

C- Order MRI of the mass

D- Perform a needle biopsy

E- Refer to surgery for removal of the adrenal mass

B- Order hormonal assay to evaluate if the mass is functional or not- This is a case of incidentaloma, as its name implies, a tumor that is discovered incidentally. The first crucial step is to find out if it is functional or not. Hormonal assay is the most appropriate method to figure that out.



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