(AANPCB) certification Practice Exam With Real
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1. Which of the following is the most common cause of community-acquired pneumonia in adults?
A. Streptococcus pneumoniae
B. Haemophilus influenzae
C. Staphylococcus aureus
D. Mycoplasma pneumoniae
Correct Answer: A
Rationale: Streptococcus pneumoniae is the leading cause of community-acquired pneumonia in adults,
accounting for approximately 30–50% of cases.
2. A 55-year-old male with a history of hypertension presents with sudden onset chest pain radiating
to his left arm. Which is the most appropriate initial diagnostic test?
A. Chest X-ray
B. 12-lead ECG
C. Echocardiogram
D. Cardiac MRI
Correct Answer: B
Rationale: A 12-lead ECG is the first-line diagnostic tool to evaluate suspected acute myocardial
infarction.
3. Which of the following medications is first-line therapy for type 2 diabetes in adults?
A. Glyburide
B. Pioglitazone
C. Metformin
D. Sitagliptin
Correct Answer: C
Rationale: Metformin is recommended as the first-line therapy due to its efficacy, safety profile, and
cardiovascular benefits.
,4. In patients with chronic heart failure, which medication has been shown to reduce mortality?
A. Furosemide
B. Digoxin
C. ACE inhibitors
D. Hydrochlorothiazide
Correct Answer: C
Rationale: ACE inhibitors improve survival, reduce hospitalizations, and decrease symptoms in patients
with chronic heart failure with reduced ejection fraction.
5. Which of the following is the most common cause of hyperthyroidism in adults?
A. Toxic multinodular goiter
B. Thyroid adenoma
C. Graves’ disease
D. Subacute thyroiditis
Correct Answer: C
Rationale: Graves’ disease is the most common cause of hyperthyroidism, accounting for 60–80% of
cases.
6. A patient presents with fatigue, pallor, and spoon-shaped nails. Which type of anemia is most
likely?
A. Sickle cell anemia
B. Iron-deficiency anemia
C. Vitamin B12 deficiency
D. Folate deficiency
Correct Answer: B
Rationale: Iron-deficiency anemia often presents with fatigue, pallor, and koilonychia (spoon-shaped
nails).
7. Which of the following vaccines is recommended annually for all adults?
A. Tdap
B. Influenza
C. MMR
D. Varicella
, Correct Answer: B
Rationale: Annual influenza vaccination is recommended for all adults to prevent seasonal influenza
infection.
8. A 70-year-old male presents with sudden onset slurred speech and right-sided weakness. What is
the first-line imaging study to differentiate ischemic vs hemorrhagic stroke?
A. MRI brain without contrast
B. Carotid Doppler
C. CT scan of the head without contrast
D. Echocardiogram
Correct Answer: C
Rationale: Non-contrast CT scan is the initial imaging modality of choice to differentiate ischemic from
hemorrhagic stroke.
9. Which antihypertensive class is contraindicated in pregnancy?
A. Methyldopa
B. Labetalol
C. ACE inhibitors
D. Nifedipine
Correct Answer: C
Rationale: ACE inhibitors are teratogenic and contraindicated during pregnancy.
10. In a patient with chronic obstructive pulmonary disease (COPD), which of the following is the most
effective long-term therapy to reduce exacerbations?
A. Short-acting beta-agonist PRN
B. Oral corticosteroids
C. Long-acting bronchodilators
D. Antibiotics
Correct Answer: C
Rationale: Long-acting bronchodilators (LABAs or LAMAs) are the cornerstone of maintenance therapy in
COPD to reduce symptoms and exacerbations.
11. Which lab finding is most consistent with diabetic ketoacidosis (DKA)?
A. Hypoglycemia