Regulation of Total Body Energy

Question 1

When a person eats more protein than their body needs the extra protein is
A) stored and used as protein when it is needed.
B) passed out of the body in feces.
C) converted to glucose or fat.
D) used to form extra large muscle.

Answer 1

C) converted to glucose or fat.

Question 2

When protein is converted to glucose or fat, how is nitrogen eliminated from the body?

	A)	through the kidneys
	B)	through spitting or vomiting
	C)	through sweat
	D)	through feces

Answer 2

A) through the kidneys

Question 3

If a 180 pound man eats an adequate diet, with about 2220 kcals, approximately what % of protein calories are used to build muscle?

	A)	7%
	B)	8%
	C)	15%
	D)	44%

Answer 3

B) 8%

Question 4

Increasing protein from 15% of calories to 30% of calories allows more protein to be used for

	A)	muscle.
	B)	water.
	C)	alcohol.
	D)	energy.

Answer 4

D) energy.

Question 5

Excess dietary protein and amino acids

	A)	build muscle.
	B)	do not build muscle.
	C)	cause weight loss.
	D)	make hair grow faster.

Answer 5

B) do not build muscle.

Question 6

Cholesterol is taken in through the diet and re-packaged as _________

Answer 6

chylomicrons

Question 7

The denaturing of protein
	A)	destroys its amino acid order.
	B)	happens in the stomach.
	C)	increases its enzyme activity.
	D)	forms an emulsifier.

Answer 7

B) happens in the stomach.

Question 8

The RDA for protein of a 60-kilogram (132-pound) woman is
	A)	36 grams.
	B)	42 grams.
	C)	48 grams.
	D)	54 grams.

Answer 8

C) 48 grams.

Question 9

An adequate protein intake recommendation is \_\_\_\_\_\_\_\_\_\_ of total calorie intake.
	A)	5% to 10%.
	B)	10% to 15%.
	C)	15% to 20%.
	D)	20% to 25%.

Answer 9

B) 10% to 15%.

Question 10

Proteins help regulate body pH by
A) taking up and releasing hydrogens in the blood.
B) accepting alkaline substances from the blood.
C) releasing acid-forming amino acids into the blood.

Answer 10

A) taking up and releasing hydrogens in the blood.

Question 11

T/F: In obese patients, if you were to measure the leptin level, you would expect the level to be low.

Answer 11

FALSE! The leptin levels are actually normal or high! It is believed that the receptors are faulty (desensitization or some sort of mutation)

Question 12

If you were to target the magic pill to help control weight loss, which hormone would you target ?
A) Insulin
B) Leptin
C) Ghrelin

Answer 12

B) Leptin

Question 13

Which hormone is most directly coupled with lack of appetite ?
A) Cortisol
B) Leptin
C) Ghrelin
D) Insulin

Answer 13

B. Leptin

Ghrelin is a close second!

Question 14

Which hormone is most directly coupled with lack of appetite ?
A) increase body metabolism
B) Decrease body metabolism

Answer 14

B) Decrease body metabolism

Question 15

A drug that blocked the release of NPY from hypothalamic neurons would do which of the following?
A) Increase appetite
B) Decrease appetite

Answer 15

B) Decrease appetite

Question 16

Which hormone helps with temperature homeostasis by causing increased body heat production in cold weather?
	A)	growth hormone
	B)	thyroid hormone
	C)	thyrocalcitonin
	D)	ADH

Answer 16

B) thyroid hormone