• Home
  • Textbooks
  • Biology
  • Control of Energy Balance, Metabolic Rate, and Body Temperature

Biology

Robert J. Brooker

Chapter 47

Control of Energy Balance, Metabolic Rate, and Body Temperature - all with Video Answers

Educators

Chapter Questions

01:03

Problem 1

During the absorptive state, an animal is
a. fasting.
b. relying entirely on stored molecules for energy.
c. absorbing nutrients from a recently ingested meal.
d. metabolizing lipids stored in adipose tissue to supply ATP to its cells.
e. doing both a and b

Christina Sorrentino
Christina Sorrentino
Numerade Educator
00:22

Problem 2

Gluconeogenesis
a. occurs when the liver synthesizes glucose from noncarbohydrate precursors.
b. is the process by which glycogen is broken down to glucose.
c. occurs primarily when an animal is in the absorptive state.
d. occurs when triglycerides are being formed and stored in adipose cells.
e. occurs primarily in skeletal muscle.

Abigail Schammel
Abigail Schammel
Numerade Educator
03:40

Problem 3

In the process of _____, most tissues of the vertebrate body metabolize fat instead of glucose to ensure that _____ tissue has an adequate supply of glucose.
a. gluconeogenesis, muscle
b. glucose sparing, epithelial
c. glycogenolysis, nervous
d. glucose sparing, nervous
e. gluconeogenesis, epithelial

Bryan Valdivia
Bryan Valdivia
Numerade Educator
01:25

Problem 4

Ketones are compounds that are derived from _____ and are synthesized primarily in the _____ state.
a. glucose, absorptive
b. glycogen, absorptive
c. fatty acids, postabsorptive
d. amino acids, postabsorptive
e. triglycerides, absorptive

Christina Sorrentino
Christina Sorrentino
Numerade Educator
06:49

Problem 5

Insulin primarily regulates the blood glucose concentration by
a. stimulating the recruitment of GLUTs from the cytosol to the plasma membrane for transport of glucose from extracellular to intracellular fluid.
b. stimulating gluconeogenesis.
c. suppressing glucose uptake by muscle tissue.
d. stimulating the release of glucose from glycogen reserves in the liver.
e. inhibiting the synthesis of new GLUTs.

Bryan Valdivia
Bryan Valdivia
Numerade Educator
00:12

Problem 6

The rate at which an animal uses energy is called
a. the body mass index.
b. the animal’s energy consumption.
c. the metabolic rate.
d. nonshivering thermogenesis.
e. shivering thermogenesis.

Abigail Schammel
Abigail Schammel
Numerade Educator
04:21

Problem 7

Which factor(s) may increase metabolic rate?
a. shivering
b. decreased muscle activity
c. sleeping
d. consumption of a meal
e. both a and d

Bryan Valdivia
Bryan Valdivia
Numerade Educator
01:28

Problem 8

Which molecule acts on brain centers to decrease appetite in mammals and other vertebrates?
a. GLUT4
b. glycogen
c. leptin
d. glucagon
e. a ketone

Christina Sorrentino
Christina Sorrentino
Numerade Educator
02:43

Problem 9

Animals that have body temperatures that are maintained within a narrow range are
a. endotherms.
b. ectotherms.
c. homeotherms.
d. heterotherms.
e. both b and d.

Bryan Valdivia
Bryan Valdivia
Numerade Educator
00:12

Problem 10

The rate of heat loss in a mammal is regulated by
a. the degree of blood flow at the surface of the skin.
b. the amount of perspiration.
c. behavioral adaptations.
d. air currents near the animal’s body.
e. all of the above.

Abigail Schammel
Abigail Schammel
Numerade Educator