Q- A young man complains of syncope, dyspnea and chest pain after exercise. A crescendo-decrescendo systolic murmur is heard over the left sternal border without radiation. What is the most likely etiology?
A- Aortic dissection
B- Aortic regurgitation
C- Aortic stenosis
D- Hypertrophic cardiomyopathy
Q- A 9-month-child who was delivered after premature labor and is feeding on cow milk and orange juice. What is the predicted deficiency?
C- Vitamin C
Q- Which of the following is the best next step for a suspicious malignant melanoma?
A- Excisional biopsy
B- Excision with a safety margin
D- Shave biopsy