AP PSYCHOLOGY

MOTIVATION EMOTION AND STRESS

MOTIVATION AND EMOTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Helen hears her stomach growl loudly and she suddenly feels hungry. Which hormone is most likely responsible for her experience of hunger?
A
Ghrelin
B
PYY
C
Leptin
D
Norepinephrine
Explanation: 

Detailed explanation-1: -You walk into a pizzeria, smell fresh dough baking, and your stomach growls. That’s because your brain has told your stomach to release an appetite-stimulating hormone called ghrelin that tells your intestines and stomach to contract.

Detailed explanation-2: -Ghrelin is a multifaceted gut hormone which activates its receptor, growth hormone secretagogue receptor (GHS-R). Ghrelin’s hallmark functions are its stimulatory effects on food intake, fat deposition and growth hormone release. Ghrelin is famously known as the “hunger hormone”.

Detailed explanation-3: -The growling stomach produces the hormone ghrelin, which stimulates fat storage and appetite by binding neurons in the hypothalamus. But ghrelin also binds neurons in the hippocampus-a center for forming memories.

Detailed explanation-4: -What is ghrelin? Ghrelin is a hormone that is produced and released mainly by the stomach with small amounts also released by the small intestine, pancreas and brain. Ghrelin has numerous functions. It is termed the ‘hunger hormone’ because it stimulates appetite, increases food intake and promotes fat storage.

Detailed explanation-5: -Ghrelin is a hormone produced in your gut. It is often referred to as the “hunger hormone” and is sometimes called lenomorelin. It travels through your bloodstream and to your brain, where it tells your brain to become hungry and seek out food. Ghrelin’s main function is to increase appetite.

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