COMSAE Phase 1 Form 117 Practice Exam
With Actual Questions & Verified Answers,
Plus Explained Rationales/Expert Verified
For Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. A 25-year-old man presents with sudden onset chest pain and
dyspnea. He recently returned from a long flight. Which is the
most likely diagnosis?
A. Myocardial infarction
B. Pulmonary embolism
C. Pneumothorax
D. Pneumonia
Answer: B
Rationale: Long travel and acute chest symptoms suggest
pulmonary embolism due to venous stasis and
thromboembolism.
2. A patient with hyperthyroidism is most likely to exhibit which
symptom?
A. Weight gain
B. Cold intolerance
C. Heat intolerance
D. Bradycardia
Answer: C
Rationale: Hyperthyroidism increases metabolic rate, causing
heat intolerance, weight loss, and tachycardia.
,3. Which electrolyte abnormality is most commonly associated with
cardiac arrhythmias?
A. Hypernatremia
B. Hypokalemia
C. Hypercalcemia
D. Hypomagnesemia
Answer: B
Rationale: Hypokalemia disrupts cardiac electrical conduction
and predisposes to arrhythmias.
4. A 60-year-old smoker presents with hematuria. What is the most
likely diagnosis?
A. Renal calculi
B. Bladder cancer
C. Pyelonephritis
D. Glomerulonephritis
Answer: B
Rationale: Smoking is a major risk factor for bladder cancer
presenting with painless hematuria.
5. Which vitamin deficiency causes scurvy?
A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D
Answer: C
Rationale: Vitamin C deficiency leads to defective collagen
synthesis causing scurvy.
6. A child presents with a barking cough and inspiratory stridor.
Diagnosis?
A. Asthma
, B. Bronchiolitis
C. Croup
D. Epiglottitis
Answer: C
Rationale: Croup presents with a characteristic barking cough
and stridor due to upper airway inflammation.
7. Which condition is associated with anti-dsDNA antibodies?
A. Rheumatoid arthritis
B. Systemic lupus erythematosus
C. Sjogren syndrome
D. Scleroderma
Answer: B
Rationale: Anti-dsDNA antibodies are highly specific for SLE.
8. A patient presents with polyuria and polydipsia. Labs show
hyperglycemia. Diagnosis?
A. Diabetes insipidus
B. Diabetes mellitus
C. SIADH
D. Addison disease
Answer: B
Rationale: Hyperglycemia with polyuria/polydipsia is classic for
diabetes mellitus.
9. Which hormone is elevated in primary hypothyroidism?
A. T3
B. T4
C. TSH
D. Cortisol
Answer: C
With Actual Questions & Verified Answers,
Plus Explained Rationales/Expert Verified
For Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. A 25-year-old man presents with sudden onset chest pain and
dyspnea. He recently returned from a long flight. Which is the
most likely diagnosis?
A. Myocardial infarction
B. Pulmonary embolism
C. Pneumothorax
D. Pneumonia
Answer: B
Rationale: Long travel and acute chest symptoms suggest
pulmonary embolism due to venous stasis and
thromboembolism.
2. A patient with hyperthyroidism is most likely to exhibit which
symptom?
A. Weight gain
B. Cold intolerance
C. Heat intolerance
D. Bradycardia
Answer: C
Rationale: Hyperthyroidism increases metabolic rate, causing
heat intolerance, weight loss, and tachycardia.
,3. Which electrolyte abnormality is most commonly associated with
cardiac arrhythmias?
A. Hypernatremia
B. Hypokalemia
C. Hypercalcemia
D. Hypomagnesemia
Answer: B
Rationale: Hypokalemia disrupts cardiac electrical conduction
and predisposes to arrhythmias.
4. A 60-year-old smoker presents with hematuria. What is the most
likely diagnosis?
A. Renal calculi
B. Bladder cancer
C. Pyelonephritis
D. Glomerulonephritis
Answer: B
Rationale: Smoking is a major risk factor for bladder cancer
presenting with painless hematuria.
5. Which vitamin deficiency causes scurvy?
A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D
Answer: C
Rationale: Vitamin C deficiency leads to defective collagen
synthesis causing scurvy.
6. A child presents with a barking cough and inspiratory stridor.
Diagnosis?
A. Asthma
, B. Bronchiolitis
C. Croup
D. Epiglottitis
Answer: C
Rationale: Croup presents with a characteristic barking cough
and stridor due to upper airway inflammation.
7. Which condition is associated with anti-dsDNA antibodies?
A. Rheumatoid arthritis
B. Systemic lupus erythematosus
C. Sjogren syndrome
D. Scleroderma
Answer: B
Rationale: Anti-dsDNA antibodies are highly specific for SLE.
8. A patient presents with polyuria and polydipsia. Labs show
hyperglycemia. Diagnosis?
A. Diabetes insipidus
B. Diabetes mellitus
C. SIADH
D. Addison disease
Answer: B
Rationale: Hyperglycemia with polyuria/polydipsia is classic for
diabetes mellitus.
9. Which hormone is elevated in primary hypothyroidism?
A. T3
B. T4
C. TSH
D. Cortisol
Answer: C
