Question 1

Which of the following is an example of heat loss from the human body via convection?

Accepted Answer

Heat transfer from skin to moving air

Question 2

Animals require essential nutrients because:

Accepted Answer

Some organic molecules cannot be synthesized by the animal and must be obtained from food

Question 3

Which of the following best describes the second law of thermodynamics as it applies to living organisms?

Accepted Answer

Energy is required to maintain organization and prevent entropy

Question 4

A person sits on hot sand after swimming. They gain heat from the sand but lose heat via ______ and, to a lesser extent, via convection.

Accepted Answer

Evaporation

Question 5

Which activity would cause a decrease in your hypothalamic temperature set point for metabolism?

Accepted Answer

Taking an aspirin when you have a fever

Question 6

Which of the following is NOT an essential amino acid for adult humans?

Accepted Answer

Glycine

Question 7

The metabolic rate of an animal can be measured by:

Accepted Answer

The amount of heat produced by the animal

Question 8

Which equation correctly represents aerobic respiration in animals?

Accepted Answer

$$6\mathrm{O}_2 + \mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6 \rightarrow 6\mathrm{CO}_2 + 6\mathrm{H}_2\mathrm{O}$$

Question 9

Which of the following statements about homeostasis is correct?

Accepted Answer

Homeostasis refers to the ability of an organism to keep its internal environment constant despite external changes

Question 10

Which tissue type is responsible for covering the body and lining its cavities?

Accepted Answer

Epithelial tissue

Question 11

In the digestive system, the structure of the midgut epithelium is closely related to its function because:

Accepted Answer

It has a large surface area to maximize absorption of nutrients

Question 12

Which of the following is a correct example of negative feedback in homeostasis?

Accepted Answer

Shivering to increase body temperature when cold

Question 13

Which of the following statements about metabolic rate and body size is correct?

Accepted Answer

Larger animals have a lower metabolic rate per gram of body mass than smaller animals

Question 14

Which of the following is NOT a way animals lose heat to the environment?

Accepted Answer

Absorption

Question 15

Which hormone lowers blood glucose by promoting its uptake and storage?

Accepted Answer

Insulin

Question 16

Which of the following best describes the difference between homeotherms and poikilotherms?

Accepted Answer

Homeotherms maintain a constant internal temperature, while poikilotherms allow their body temperature to vary with the environment

Question 17

Which of the following is a real-world example of division of labor in animal bodies?

Accepted Answer

Muscle cells contract to move bones, while red blood cells transport oxygen

Question 18

Which of the following is NOT a fluid compartment in animal bodies?

Accepted Answer

Mitochondrial matrix

Question 19

Which process is responsible for the breakdown of starch into glucose in the digestive system?

Accepted Answer

Enzymatic hydrolysis

Question 20

Which of the following is a correct application of the concept of regulation versus conformity in animals?

Accepted Answer

A fish allowing its body temperature to match the surrounding water

Chapter 28: Transformations of Energy and Matter – Nutrition, Temperature, and Homeostasis

Study Guide - Practice Questions