Body Heat and Thermo-regulation
Nutrition
Carbohydrate Metabolism
Lipid and Protein Metabolsim
Metabolic States and Metabolic Rate

100

Shivering warms the body because it increases the rate of A. radiation. B. conduction. C. ATP hydrolysis. D. vasodilation. E. glycolysis.
C. ATP hydrolysis.

100

1. Which peptide produces the sensation of hunger and stimulates the hypothalamus to secrete growth hormone- thus priming the body to take best advantage of the nutrients about to be absorbed? A) Ghrelin B) Cholecystokinin (CCK) C) Insulin D) Peptide YY (PYY)
A) Ghrelin

100

All oxidative carbohydrate consumption is essentially a matter of ________ metabolism A) Fructose B) Glucose C) Sucrose D) Galactose
B) Glucose

100

True or False: Triglycerides are primarily stored in the body’s adipocytes.
TRUE

100

When are you in the absorptive state? A. 2 hours after finishing a meal B. 4 hours during and after a meal C. 1 hour before eating a meal D. 5 hours before and during a meal
B. 4 hours during and after a meal

200

The quickest physiological mechanism for achieving moderate heat loss is A. convection. B. cutaneous vasoconstriction. C. nonshivering thermogenesis. D. cutaneous vasodilation. E. diaphoresis.
D. cutaneous vasodilation

200

2. Carbohydrates and proteins yield about __ kcal/g when they are completely oxidized and fats yield about __ kcal/g A) 6, 11 B) 11, 6 C) 3, 8 D) 4, 9
D) 4, 9

200

In the absence of oxygen, a cell resorts to a one-step reaction called what? A) Carbohydrate utilization B) Aerobic fermentation C) Glycolysis D) Anaerobic fermentation
D) Anaerobic fermentation

200

3.) How many carbon atoms does Beta oxidation remove at a time? A.) 3 B.) 2 C.) 10 D.) 4
B. 2

200

Postabsorptive metabolism is regulated mainly by: A. The central nervous system B. the sympathetic nervous system C. Glucagon D. B and C
D. B and C

300

A nude body at a room temperature of 21C (70F) loses most of its heat by A. evaporation. B. conduction. C. convection. D. radiation. E. forced convection.
D. radiation

300

The body is incapable of synthesizing minerals, most vitamins, eight of the amino acids, and one to three of the fatty acids (they must be included in the diet).True or False
TRUE

300

Lactic acid is _______ and contributes to muscle fatigue A) Toxic B) Oxygen using C) Completely safe
A) Toxic

300

True or False: Although the liver is connected to the digestive tract and regarded as a digestive gland, most of its functions are NONdigestive.
TRUE

300

In the postabsorptive state, glycogen is hydrolyzed to liberate glucose. This process is called? A. Glycogenolysis B. Gluconeogenesis C. Glucose oxidation D. Lipogenesis
A. Glycogenolysis

400

The loss of body heat by conduction can be enhanced by A. radiation. B. evaporation. C. nonshivering thermogenesis. D. shivering thermogenesis. E. convection.
E. convection

400

5. The RDA (recommended daily allowance) for carbohydrates is 125 to 175g. The brain alone consumes about ___g of glucose per day. A) 105 B) 90 C) 120 D) 145
C) 120

400

____ of glycogen is in the liver, and ____ is in the skeletal muscles A) ½, ½ B) ¼, ¾ C) 1/3, 2/3
B) ¼, ¾

400

Lipolysis is stimulated by all of the following EXCEPT: A.) Epinephrine B.) Glucocorticoids C.) Mineralcortocoids D.) Thyroid Hormone
C.) Mineralcortocoids

400

The liver usually stores enough glycogen after a meal to support 4 hours of postabsorptive metabolism before Gluconeogenesis occurs. TRUE or FALSE
TRUE

500

Heat exhaustion results from A. extreme electrolyte loss in the sweat. B. denaturation of proteins in the brain tissue. C. excessive heat loss from the body. D. a high rate of conduction and convection. E. a high humidity that retards evaporative cooling.
A. extreme electrolyte loss in the sweat.

500

Even a brief period of hyperglycemia causes nervous system disturbances felt as weakness or dizziness.
False

500

5) In severe absence of carbohydrates, fats and amino acids can be oxidized as fuel. T/F
TRUE

500

Synthesizing fats from other types of molecules is called? A.) Ketogenesis B.) Glycogenesis C.) Lipolysis D.) Lipogenesis
D.) Lipogenesis

500

What does the body use for fuel once the glycogen and fat reserves are depleted? A. Collagen B. Lipids C. Protein D. Amino acids
C. Protein