Repeated USMLE Questions Step 2 CK- Review- 5

Q- A 55-year-old man with a history of type 2 diabetes, hypertension and hypercholesterolemia presents for his routine examination. He is tall and obese. His vital signs are pulse 88/min, blood pressure 156/86 and oxygen saturation 98%.

Which of the following is the most important action to reduce the risk of stroke in this patient?

A- Blood glucose control

B- Blood pressure control

C- Cholesterol reduction

D- Weight loss

B-Blood pressure control- All these factors are important in improving this patient’s health but high blood pressure is the most important risk factor for stroke.

Q- A college student presents to the emergency room with burns involving about 10% of his body surface and localized to his upper chest and right arm. His vital signs are within normal limits. The lesions are painful, erythematous and swollen. Application of pressure produces blanching and is painful.

Which of the following is the best next step in management?

A- Admission to hospital

B- Broad spectrum antibiotics

C- Cleaning, dressing and analgesics

D- Surgical debridement and grafting

C-Cleaning, dressing and analgesics- This is a second-degree burn that needs cleaning, debridement if needed, dressing and analgesics as needed.

Q- Which one of the following substances is used to differentiate between central and nephrogenic diabetes insipidus?

A- Cortisol

B- Cosyntropin

C- Desmopressin

D- Dexamethasone

C-Desmopressin- If administration of desmopressin improves the condition, it is central. If does not improve it, it is nephrogenic which affects the kidney response to ADH.


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