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Exam 5: Regulation of Eating Behavior and Body Weight

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Question 1

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Which of the following defines the body's "set point."

A) minimum healthy weight of a person that can be maintained for 10 years after age 21
B) maximum healthy weight of a person
C) point at which a dieter plateaus and then drops weight quickly
D) point above which the body tends to lose weight and below which it tends to gain weight

E) C) and D)
F) B) and C)

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Question 2

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The average non-obese adult has between 30-50 billion adipocytes.

A) True
B) False

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Question 3

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ß-adrenergic receptors in fat cells stimulate

__________________ is now understood to be a messenger between fat cells and the brain that provides vital information about the size of the body's energy stores.

_________________ is the termination of eating after hunger has been satisfied.

The enzyme called the "gatekeeper of the fat cells," because it stimulates fat uptake is:

Increased Leptin drives people to eat.

Much of adult-onset obesity is due to hypertrophy.

The _______________ is the area of the brain that serves as a link between the endocrine and autonomic nervous systems; it promotes homeostasis by regulating temperature, water balance, food intake, hormonal balance, and emotional responses.

Which of the following is NOT a characteristic of normal brown adipose tissue?

Gender patterns in fat storage evolved to sustain survival.

__________________ are the structures and pathways involved in the sense of smell.

_____________ stimulates eating particularly by increasing the size of a meal and increasing the intake of carbohydrates.

______________ is a critical hub that contains neurons that produce appetite stimulating neurotransmitters and neurons that produce appetite-dampening neurotransmitters.This area also contains many insulin and leptin receptors.

____________ is the breakdown of fat and involves the release of fatty acids into the bloodstream after they have undergone hydrolysis.

Hyperplasia is not typically permanent.

When leptin secretion occurs

The psychological desire to eat that accompanies the sight, smell, or thought of food is known as:

_____________ is a hormone secreted by the pancreas in response to an increase in the blood glucose level; it permits glucose to be taken up by the cells and is responsible for fat storage.

________________ are receptors on cells that are sensitive to parasympathetic activation; they respond to acetylcholine; fat cells do not contain cholinergic receptors.