Actual Questions and Answers
Expert-Verified Explanation
This Exam contains:
✪ 40 Questions and Answers
✪ Multiple-choice and True/False Format
✪ Expert-Verified Explanations
✪ Verified with Trusted Textbooks
1. Abnormal lab values including ↑ LFT, ↑ NH4+, and ↓ glucose are seen in:
A. Kawasaki disease
B. Reye syndrome
C. Wilson disease
D. Tay-Sachs disease
Answer: B
EXPLANATION: Reye syndrome causes hepatic dysfunction and cerebral edema, typically
following aspirin use in viral illness.
2. What is the target INR for a patient with a mechanical mitral valve on warfarin?
A. 1.5–2.5
B. 2.0–3.0
C. 2.5–3.5
D. 3.5–4.5
Answer: C
EXPLANATION: Mechanical mitral valves require a higher INR range of 2.5–3.5 to reduce
thromboembolic risk.
3. Low back pain with paresthesia and pain worsened by extension suggests:
A. Disc herniation
B. Ankylosing spondylitis
C. Spinal stenosis
D. Muscle strain
Answer: C
EXPLANATION: Spinal stenosis presents with neurogenic claudication, worsened by extension
and relieved by flexion.
, 4. Decreased light touch and vibration sensation point to:
A. Myopathy
B. Nerve compression
C. Joint inflammation
D. Ligament injury
Answer: B
EXPLANATION: These sensory deficits indicate peripheral neuropathy or nerve compression.
5. A patient with IVDU, fever, conjunctival hemorrhage, and a new murmur likely has:
A. Viral myocarditis
B. Pericarditis
C. Rheumatic fever
D. Infective endocarditis
Answer: D
EXPLANATION: Infective endocarditis is common in IVDU and diagnosed with Duke criteria
including blood cultures and echocardiography.
6. A maculopapular rash starting on the face, with posterior lymphadenopathy indicates:
A. Measles
B. Roseola
C. Rubella
D. Fifth disease
Answer: C
EXPLANATION: Rubella presents with rash, low-grade fever, and posterior auricular
lymphadenopathy.
7. A high fever followed by a trunk-to-face spreading rash in a child is most consistent
with:
A. Measles
B. Scarlet fever
C. Roseola
D. Rubella
Answer: C
EXPLANATION: Roseola (HHV-6) features a high fever that resolves before a maculopapular
rash develops.
8. Coryza, conjunctivitis, cough, and koplik spots suggest:
A. Rubella