COMSAE Phase 2 Form 116 Exam
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. A 67-year-old man presents with crushing substernal chest pain
radiating to his left arm for 45 minutes. ECG shows ST-segment
elevations in leads II, III, and aVF. Which coronary artery is most likely
occluded?
A. Left anterior descending artery
B. Left circumflex artery
C. Right coronary artery
D. Posterior descending artery
Inferior myocardial infarctions typically involve leads II, III, and aVF and
are most commonly caused by occlusion of the right coronary artery.
2. A 25-year-old woman develops fever, malar rash, and proteinuria.
Which laboratory finding is most specific for her condition?
,A. Positive ANA
B. Positive rheumatoid factor
C. Elevated ESR
D. Anti-double-stranded DNA antibodies
Anti-double-stranded DNA antibodies are highly specific for systemic lupus
erythematosus and correlate with disease activity.
3. A patient develops sudden onset shortness of breath after prolonged
immobilization. Which finding is most consistent with pulmonary
embolism?
A. Decreased A-a gradient
B. Hypercapnia initially
C. Elevated D-dimer level
D. Increased sputum production
Pulmonary embolism commonly produces an elevated D-dimer due to
fibrin degradation and activation of coagulation pathways.
4. A newborn presents with a continuous machine-like murmur. What is
the most likely diagnosis?
A. Ventricular septal defect
B. Atrial septal defect
,C. Tetralogy of Fallot
D. Patent ductus arteriosus
Patent ductus arteriosus classically presents with a continuous machine-
like murmur due to persistent blood flow between the aorta and
pulmonary artery.
5. A 70-year-old smoker develops hematuria without pain. Which
diagnosis should be suspected first?
A. Renal stone
B. Pyelonephritis
C. Bladder carcinoma
D. Urethritis
Painless hematuria in an older smoker is bladder cancer until proven
otherwise.
6. Which organism is the most common cause of community-acquired
pneumonia?
A. Mycoplasma pneumoniae
B. Haemophilus influenzae
C. Staphylococcus aureus
D. Streptococcus pneumoniae
, Streptococcus pneumoniae remains the leading cause of community-
acquired pneumonia in adults.
7. A patient with chronic alcohol use develops confusion,
ophthalmoplegia, and ataxia. Which vitamin deficiency is responsible?
A. Vitamin B12
B. Folate
C. Niacin
D. Thiamine
Thiamine deficiency causes Wernicke encephalopathy characterized by
confusion, ophthalmoplegia, and ataxia.
8. A diabetic patient presents with fruity breath odor, abdominal pain,
and Kussmaul respirations. What is the diagnosis?
A. Hyperosmolar hyperglycemic state
B. Lactic acidosis
C. Diabetic ketoacidosis
D. Respiratory alkalosis
Diabetic ketoacidosis produces ketone formation, metabolic acidosis, and
compensatory deep respirations.
9. Which cranial nerve is responsible for lateral eye movement?
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. A 67-year-old man presents with crushing substernal chest pain
radiating to his left arm for 45 minutes. ECG shows ST-segment
elevations in leads II, III, and aVF. Which coronary artery is most likely
occluded?
A. Left anterior descending artery
B. Left circumflex artery
C. Right coronary artery
D. Posterior descending artery
Inferior myocardial infarctions typically involve leads II, III, and aVF and
are most commonly caused by occlusion of the right coronary artery.
2. A 25-year-old woman develops fever, malar rash, and proteinuria.
Which laboratory finding is most specific for her condition?
,A. Positive ANA
B. Positive rheumatoid factor
C. Elevated ESR
D. Anti-double-stranded DNA antibodies
Anti-double-stranded DNA antibodies are highly specific for systemic lupus
erythematosus and correlate with disease activity.
3. A patient develops sudden onset shortness of breath after prolonged
immobilization. Which finding is most consistent with pulmonary
embolism?
A. Decreased A-a gradient
B. Hypercapnia initially
C. Elevated D-dimer level
D. Increased sputum production
Pulmonary embolism commonly produces an elevated D-dimer due to
fibrin degradation and activation of coagulation pathways.
4. A newborn presents with a continuous machine-like murmur. What is
the most likely diagnosis?
A. Ventricular septal defect
B. Atrial septal defect
,C. Tetralogy of Fallot
D. Patent ductus arteriosus
Patent ductus arteriosus classically presents with a continuous machine-
like murmur due to persistent blood flow between the aorta and
pulmonary artery.
5. A 70-year-old smoker develops hematuria without pain. Which
diagnosis should be suspected first?
A. Renal stone
B. Pyelonephritis
C. Bladder carcinoma
D. Urethritis
Painless hematuria in an older smoker is bladder cancer until proven
otherwise.
6. Which organism is the most common cause of community-acquired
pneumonia?
A. Mycoplasma pneumoniae
B. Haemophilus influenzae
C. Staphylococcus aureus
D. Streptococcus pneumoniae
, Streptococcus pneumoniae remains the leading cause of community-
acquired pneumonia in adults.
7. A patient with chronic alcohol use develops confusion,
ophthalmoplegia, and ataxia. Which vitamin deficiency is responsible?
A. Vitamin B12
B. Folate
C. Niacin
D. Thiamine
Thiamine deficiency causes Wernicke encephalopathy characterized by
confusion, ophthalmoplegia, and ataxia.
8. A diabetic patient presents with fruity breath odor, abdominal pain,
and Kussmaul respirations. What is the diagnosis?
A. Hyperosmolar hyperglycemic state
B. Lactic acidosis
C. Diabetic ketoacidosis
D. Respiratory alkalosis
Diabetic ketoacidosis produces ketone formation, metabolic acidosis, and
compensatory deep respirations.
9. Which cranial nerve is responsible for lateral eye movement?
