DHA Clinical Practice & Guidelines 2

Question 1

A 58-year-old male presents with crushing chest pain radiating to the left arm for 30 minutes. ECG shows ST elevation in leads II, III, and aVF. Which coronary artery is most likely occluded?

Accepted Answer

Right coronary artery

Answer

Left anterior descending artery

Answer

Left circumflex artery

Answer

Obtuse marginal artery

Question 2

According to DHA clinical guidelines, what is the recommended first-line treatment for newly diagnosed type 2 diabetes mellitus in an otherwise healthy adult?

Accepted Answer

Metformin

Answer

Insulin glargine

Answer

Sulfonylurea

Answer

GLP-1 receptor agonist

Question 3

A patient is prescribed warfarin for atrial fibrillation. The therapeutic INR range for this indication is:

Accepted Answer

2.0–3.0

Answer

1.0–1.5

Answer

1.5–2.0

Answer

3.0–4.5

Question 4

Which of the following is the most sensitive early indicator of acute kidney injury (AKI)?

Accepted Answer

Urine output less than 0.5 mL/kg/hr for 6 hours

Answer

Serum creatinine

Answer

Blood urea nitrogen (BUN)

Answer

Serum cystatin C

Question 5

A 35-year-old pregnant woman at 32 weeks gestation presents with blood pressure 160/110 mmHg, proteinuria 3+, and headache. What is the most appropriate immediate management?

Accepted Answer

Intravenous magnesium sulfate and antihypertensive therapy

Answer

Oral labetalol and outpatient monitoring

Answer

Immediate cesarean section

Answer

Bed rest and dietary sodium restriction

Question 6

In the management of community-acquired pneumonia (CAP) in a previously healthy adult not requiring ICU admission, which antibiotic regimen is most appropriate per current guidelines?

Accepted Answer

Oral amoxicillin or macrolide monotherapy

Answer

IV vancomycin

Answer

Oral amoxicillin-clavulanate alone

Answer

IV piperacillin-tazobactam