Which of the Following Is True of Leptin

question 73

Multiple Choice

Which of the following is true of leptin?

• A) Leptin is a product of protein metabolism.
• B) Leptin levels are decreased during overeating and obesity.
• C) Mutations of the leptin gene are the most common cause of obesity.
• D) Plasma leptin levels are related to body fat content only in obese persons.
• E) Obese humans have high plasma leptin levels and are insensitive to leptin injection.

---

Definitions:

Olfactory Nerves

The pair of cranial nerves that transmit impulses related to smell from the nose to the brain.

Tongue

A muscular organ in the mouth, vital for taste, swallowing, and speech.

Trochlear Nerves

The fourth cranial nerves, primarily responsible for eye movement, specifically controlling the superior oblique muscle.

Trigeminal Nerves

Cranial nerves responsible for sensory information in the face and motor functions such as biting and chewing.