COMSAE Phase 2 Form 119 Exam
Practice Questions and Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A
1. A 67-year-old man develops crushing substernal chest pain radiating to
the left arm. 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
Answer: C. Right coronary artery
2. A 25-year-old woman presents with exophthalmos, weight loss, and heat
intolerance. Laboratory testing reveals suppressed TSH and elevated free T4.
What is the most likely diagnosis?
A. Hashimoto thyroiditis
B. Graves disease
C. Subacute thyroiditis
D. Toxic adenoma
,Answer: B. Graves disease
3. A patient with nephrotic syndrome is most at risk for which complication?
A. Polycythemia
B. Hypercalcemia
C. Thromboembolism
D. Metabolic alkalosis
Answer: C. Thromboembolism
4. A newborn develops bilious vomiting shortly after birth. Abdominal
radiography reveals a double-bubble sign. What is the most likely diagnosis?
A. Pyloric stenosis
B. Duodenal atresia
C. Hirschsprung disease
D. Meconium ileus
Answer: B. Duodenal atresia
5. A patient experiences sudden onset unilateral facial paralysis affecting
both the forehead and lower face. Which diagnosis is most likely?
A. Stroke
B. Bell palsy
C. Trigeminal neuralgia
,D. Multiple sclerosis
Answer: B. Bell palsy
6. A 45-year-old woman presents with fatigue and microcytic anemia. Iron
studies reveal low ferritin. Which laboratory finding is expected?
A. Increased transferrin saturation
B. Increased serum iron
C. Increased total iron-binding capacity
D. Increased ferritin
Answer: C. Increased total iron-binding capacity
7. Which organism is the most common cause of community-acquired
pneumonia?
A. Staphylococcus aureus
B. Mycoplasma pneumoniae
C. Streptococcus pneumoniae
D. Klebsiella pneumoniae
Answer: C. Streptococcus pneumoniae
8. A 55-year-old man presents with sudden onset severe headache described
as the "worst headache of his life." What is the most likely diagnosis?
A. Migraine
, B. Subarachnoid hemorrhage
C. Tension headache
D. Cluster headache
Answer: B. Subarachnoid hemorrhage
9. A patient with type 1 diabetes presents with fruity breath, Kussmaul
respirations, and blood glucose of 480 mg/dL. What is the most likely
diagnosis?
A. Hyperosmolar hyperglycemic state
B. Diabetic ketoacidosis
C. Hypoglycemia
D. Lactic acidosis
Answer: B. Diabetic ketoacidosis
10. A 30-year-old woman presents with a butterfly-shaped facial rash, joint
pain, and proteinuria. Which antibody is most specific for this condition?
A. Anti-dsDNA
B. Anti-CCP
C. Anti-SSA
D. Anti-histone
Answer: A. Anti-dsDNA
Practice Questions and Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A
1. A 67-year-old man develops crushing substernal chest pain radiating to
the left arm. 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
Answer: C. Right coronary artery
2. A 25-year-old woman presents with exophthalmos, weight loss, and heat
intolerance. Laboratory testing reveals suppressed TSH and elevated free T4.
What is the most likely diagnosis?
A. Hashimoto thyroiditis
B. Graves disease
C. Subacute thyroiditis
D. Toxic adenoma
,Answer: B. Graves disease
3. A patient with nephrotic syndrome is most at risk for which complication?
A. Polycythemia
B. Hypercalcemia
C. Thromboembolism
D. Metabolic alkalosis
Answer: C. Thromboembolism
4. A newborn develops bilious vomiting shortly after birth. Abdominal
radiography reveals a double-bubble sign. What is the most likely diagnosis?
A. Pyloric stenosis
B. Duodenal atresia
C. Hirschsprung disease
D. Meconium ileus
Answer: B. Duodenal atresia
5. A patient experiences sudden onset unilateral facial paralysis affecting
both the forehead and lower face. Which diagnosis is most likely?
A. Stroke
B. Bell palsy
C. Trigeminal neuralgia
,D. Multiple sclerosis
Answer: B. Bell palsy
6. A 45-year-old woman presents with fatigue and microcytic anemia. Iron
studies reveal low ferritin. Which laboratory finding is expected?
A. Increased transferrin saturation
B. Increased serum iron
C. Increased total iron-binding capacity
D. Increased ferritin
Answer: C. Increased total iron-binding capacity
7. Which organism is the most common cause of community-acquired
pneumonia?
A. Staphylococcus aureus
B. Mycoplasma pneumoniae
C. Streptococcus pneumoniae
D. Klebsiella pneumoniae
Answer: C. Streptococcus pneumoniae
8. A 55-year-old man presents with sudden onset severe headache described
as the "worst headache of his life." What is the most likely diagnosis?
A. Migraine
, B. Subarachnoid hemorrhage
C. Tension headache
D. Cluster headache
Answer: B. Subarachnoid hemorrhage
9. A patient with type 1 diabetes presents with fruity breath, Kussmaul
respirations, and blood glucose of 480 mg/dL. What is the most likely
diagnosis?
A. Hyperosmolar hyperglycemic state
B. Diabetic ketoacidosis
C. Hypoglycemia
D. Lactic acidosis
Answer: B. Diabetic ketoacidosis
10. A 30-year-old woman presents with a butterfly-shaped facial rash, joint
pain, and proteinuria. Which antibody is most specific for this condition?
A. Anti-dsDNA
B. Anti-CCP
C. Anti-SSA
D. Anti-histone
Answer: A. Anti-dsDNA
