Posted: July 24th, 2017

A 20-year-old man comes to the physician’s office for a scheduled health maintenance examination. His father died of a myocardial infarction at age 55 years. Physical examination shows a tendon xanthoma on the elbow. His serum total cholesterol concentration is 360 mg/dL. A mutation is most likely to be found in which of the following genes?

A 20-year-old man comes to the physician’s
office for a scheduled health maintenance
examination. His father died of a myocardial
infarction at age 55 years. Physical examination
shows a tendon xanthoma on the elbow. His
serum total cholesterol concentration is 360
mg/dL. A mutation is most likely to be found in
which of the following genes?
(A) apoA2
(B) apoC2
(C) apoε4
(D) LDL receptor
(E) VLDL receptor