Exam (elaborations) NURS 5315 Obesity

NURS 5315 Obesity

, What is the primary factor that leads to obesity?
A) Energy expenditure consistently exceeding energy intake
B) Balanced caloric intake and expenditure
C) Energy intake consistently exceeding energy expenditure
D) Genetic factors alone - CORRECT ANSWERS-Answer: C) Energy intake
consistently exceeding energy expenditure

Rationale: Obesity occurs when caloric intake surpasses caloric expenditure over time.

Which part of the brain regulates hunger and satiety?
A) Cerebellum
B) Hypothalamus
C) Brainstem
D) Thalamus - CORRECT ANSWERS-Answer: B) Hypothalamus

Rationale: The hypothalamus integrates hunger and satiety signals to regulate food
intake.

What type of neurons in the hypothalamus promote appetite?
A) Anorexigenic neurons
B) Orexigenic neurons
C) Dopaminergic neurons
D) Serotonergic neurons - CORRECT ANSWERS-Answer: B) Orexigenic neurons

Rationale: Orexigenic neurons stimulate hunger and reduce metabolism.

Which hormone is known as the "hunger hormone"?
A) Leptin
B) Ghrelin
C) Insulin
D) Glucagon - CORRECT ANSWERS-Answer: B) Ghrelin

Rationale: Ghrelin is secreted by the stomach and stimulates appetite before meals.

Which hormone is primarily responsible for suppressing appetite?
A) Insulin
B) Ghrelin
C) Leptin
D) Glucagon - CORRECT ANSWERS-Answer: C) Leptin

Rationale: Leptin, secreted by adipose tissue, signals the brain to reduce hunger.

Leptin resistance is commonly seen in which condition?
A) Type 1 diabetes
B) Obesity
C) Hyperthyroidism