USMLE STEP 2 CK 2026 LATEST EXAM QUESTIONS |
CLINICAL CASES + VERIFIED ANSWERS | A+ PRE
1.
A 65-year-old man with chest pain radiating to the left arm has ST elevation in leads II, III, aVF.
Which artery is most likely occluded?
A. LAD
B. LCX
C. Right coronary artery (RCA)
D. Left main coronary artery
Inferior MI is most commonly due to RCA occlusion.
2.
A patient presents with fever, cough, and rusty sputum. Most likely organism?
A. Klebsiella pneumoniae
B. Mycoplasma pneumoniae
C. Streptococcus pneumoniae
D. Legionella pneumophila
Rusty sputum classically suggests pneumococcal pneumonia.
3.
Most common cause of iron deficiency anemia in adult males?
A. Malabsorption
B. Dietary deficiency
C. GI blood loss
D. Hemolysis
In adult men, assume occult GI bleeding until proven otherwise.
4.
A child with edema, proteinuria, and hyperlipidemia most likely has:
A. FSGS
B. Minimal change disease
,C. MPGN
D. IgA nephropathy
Most common nephrotic syndrome in children.
5.
Which vitamin deficiency causes scurvy?
A. B1
B. B3
C. Vitamin C
D. Vitamin K
Vitamin C is required for collagen hydroxylation.
6.
Most common cause of meningitis in neonates?
A. S. pneumoniae
B. N. meningitidis
C. Group B Streptococcus
D. Listeria monocytogenes
7.
A smoker with hematuria most concerning diagnosis?
A. Kidney stones
B. Bladder cancer (urothelial carcinoma)
C. Pyelonephritis
D. Glomerulonephritis
8.
Best initial test for pulmonary embolism in stable patient?
A. MRI
B. CT pulmonary angiography
C. ECG
D. Chest X-ray
, 9.
Which hormone is elevated in SIADH?
A. Aldosterone
B. ADH
C. ADH (vasopressin)
D. Cortisol
10.
Most common cause of community-acquired pneumonia in adults?
A. Klebsiella
B. Streptococcus pneumoniae
C. Pseudomonas
D. MRSA
11.
A patient has tremor at rest, bradykinesia, rigidity. Diagnosis?
A. ALS
B. MS
C. Parkinson disease
D. Huntington disease
12.
Drug of choice for acute anaphylaxis?
A. Diphenhydramine
B. Steroids
C. Albuterol
D. Epinephrine
13.
Most common cause of pancreatitis?
A. Alcohol
CLINICAL CASES + VERIFIED ANSWERS | A+ PRE
1.
A 65-year-old man with chest pain radiating to the left arm has ST elevation in leads II, III, aVF.
Which artery is most likely occluded?
A. LAD
B. LCX
C. Right coronary artery (RCA)
D. Left main coronary artery
Inferior MI is most commonly due to RCA occlusion.
2.
A patient presents with fever, cough, and rusty sputum. Most likely organism?
A. Klebsiella pneumoniae
B. Mycoplasma pneumoniae
C. Streptococcus pneumoniae
D. Legionella pneumophila
Rusty sputum classically suggests pneumococcal pneumonia.
3.
Most common cause of iron deficiency anemia in adult males?
A. Malabsorption
B. Dietary deficiency
C. GI blood loss
D. Hemolysis
In adult men, assume occult GI bleeding until proven otherwise.
4.
A child with edema, proteinuria, and hyperlipidemia most likely has:
A. FSGS
B. Minimal change disease
,C. MPGN
D. IgA nephropathy
Most common nephrotic syndrome in children.
5.
Which vitamin deficiency causes scurvy?
A. B1
B. B3
C. Vitamin C
D. Vitamin K
Vitamin C is required for collagen hydroxylation.
6.
Most common cause of meningitis in neonates?
A. S. pneumoniae
B. N. meningitidis
C. Group B Streptococcus
D. Listeria monocytogenes
7.
A smoker with hematuria most concerning diagnosis?
A. Kidney stones
B. Bladder cancer (urothelial carcinoma)
C. Pyelonephritis
D. Glomerulonephritis
8.
Best initial test for pulmonary embolism in stable patient?
A. MRI
B. CT pulmonary angiography
C. ECG
D. Chest X-ray
, 9.
Which hormone is elevated in SIADH?
A. Aldosterone
B. ADH
C. ADH (vasopressin)
D. Cortisol
10.
Most common cause of community-acquired pneumonia in adults?
A. Klebsiella
B. Streptococcus pneumoniae
C. Pseudomonas
D. MRSA
11.
A patient has tremor at rest, bradykinesia, rigidity. Diagnosis?
A. ALS
B. MS
C. Parkinson disease
D. Huntington disease
12.
Drug of choice for acute anaphylaxis?
A. Diphenhydramine
B. Steroids
C. Albuterol
D. Epinephrine
13.
Most common cause of pancreatitis?
A. Alcohol
