QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2027 |INSTANT DOWNLOAD PDF
1. Which chamber of the heart pumps oxygenated blood into
the systemic circulation?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
Rationale: The left ventricle ejects oxygenated blood through
the aorta to the systemic circulation.
Correct Answer: D. Left ventricle
2. Which cranial nerve is primarily responsible for vision?
A. CN I
B. CN II
C. CN III
D. CN V
Rationale: The optic nerve (CN II) transmits visual information
from the retina to the brain.
Correct Answer: B. CN II
3. Which laboratory finding is most characteristic of iron-
deficiency anemia?
,A. Increased ferritin
B. Macrocytosis
C. Low serum ferritin
D. Increased vitamin B12
Rationale: Iron deficiency typically causes depleted iron stores,
reflected by low serum ferritin.
Correct Answer: C. Low serum ferritin
4. What is the most common cause of community-acquired
bacterial pneumonia in adults?
A. Streptococcus pneumoniae
B. Pseudomonas aeruginosa
C. Escherichia coli
D. Enterococcus faecalis
Rationale: Streptococcus pneumoniae remains a major
bacterial cause of community-acquired pneumonia.
Correct Answer: A. Streptococcus pneumoniae
5. Which electrolyte abnormality is commonly associated with
prolonged vomiting?
A. Hyperkalemia
B. Hypokalemia
C. Hypermagnesemia
D. Hyperphosphatemia
Rationale: Persistent vomiting causes gastrointestinal
potassium losses and can contribute to hypokalemia.
Correct Answer: B. Hypokalemia
,6. Which hormone primarily lowers blood glucose
concentration?
A. Cortisol
B. Glucagon
C. Insulin
D. Epinephrine
Rationale: Insulin promotes glucose uptake and storage,
thereby lowering blood glucose.
Correct Answer: C. Insulin
7. Which finding is most consistent with an acute myocardial
infarction?
A. Painless jaundice
B. Prolonged crushing chest pain
C. Isolated ankle swelling
D. Increased appetite
Rationale: Acute myocardial infarction commonly presents with
prolonged pressure-like or crushing chest discomfort, although
presentations can vary.
Correct Answer: B. Prolonged crushing chest pain
8. Which organism is a common cause of urinary tract
infections?
A. Escherichia coli
B. Mycoplasma pneumoniae
C. Candida albicans
D. Clostridium botulinum
, Rationale: Escherichia coli is the most common bacterial cause
of uncomplicated urinary tract infection.
Correct Answer: A. Escherichia coli
9. Which drug class is commonly used as first-line therapy for
hypertension?
A. Thiazide-type diuretics
B. Opioids
C. Antifungals
D. Benzodiazepines
Rationale: Thiazide-type diuretics are among the
recommended first-line antihypertensive medication classes.
Correct Answer: A. Thiazide-type diuretics
10. Which blood vessel carries deoxygenated blood from the
right ventricle to the lungs?
A. Aorta
B. Pulmonary artery
C. Pulmonary vein
D. Superior vena cava
Rationale: The pulmonary arteries transport deoxygenated
blood from the right ventricle to the lungs.
Correct Answer: B. Pulmonary artery
11. What is the primary function of the kidneys?
A. Produce bile
B. Filter blood and regulate fluid and electrolytes