A patient is seen by his physician, who determines that he has a defective gene that codes for an inactive form of the hormone leptin. This patient
A) drinks too much fluid
B) does not drink enough fluids
C) has very little appetite
D) has a voracious appetite
E) has bouts of uncontrollable vomiting

Question

Quizplus · Accepted Answer

Leptin is a hormone that regulates appetite and metabolism. A defective gene that codes for an inactive form of leptin would lead to a lack of leptin in the body, causing the patient to have a voracious appetite and overeat, resulting in obesity. Therefore, the correct answer is D.

A Patient Is Seen by His Physician, Who Determines That