$$ \text{Amino acids} \rightarrow \text{Proteins} $$

Question 1

Which of the following best describes the function of maintaining boundaries in living organisms?

Accepted Answer

It separates the internal environment from the external environment, protecting internal structures.

Question 2

A patient is unable to respond to changes in their environment, such as temperature or pain. Which necessary life function is most likely impaired?

Accepted Answer

Responsiveness

Question 3

Which process is directly responsible for the breakdown of food into absorbable units?

Accepted Answer

Digestion

Question 4

Metabolism includes both catabolism and anabolism. Which equation best represents the production of energy (ATP) during catabolism?

Accepted Answer

$$ \mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + \mathrm{ATP} $$

Question 5

Which of the following is an example of anabolism?

Accepted Answer

Building muscle proteins from amino acids

Question 6

A person is unable to eliminate carbon dioxide produced during metabolism. Which necessary life function is directly affected?

Accepted Answer

Excretion

Question 7

Which of the following is NOT considered a survival need for humans?

Accepted Answer

Reproduction

Question 8

If a cell increases in both size and number, which necessary life function is being demonstrated?

Accepted Answer

Growth

Question 9

Which of the following nutrients is NOT primarily used for energy production?

Accepted Answer

Vitamins

Question 10

Water makes up approximately what percentage of body weight in humans?

Accepted Answer

60-80%

Question 11

Which of the following best explains why oxygen is a survival need?

Accepted Answer

It is necessary for chemical reactions that produce ATP.

Question 12

A patient is unable to produce offspring due to a genetic disorder. Which necessary life function is directly affected?

Accepted Answer

Reproduction

Question 13

Which of the following is an example of movement as a necessary life function?

Accepted Answer

Transport of nutrients in the bloodstream

Question 14

Which process involves the ability to sense changes in the environment and respond to them?

Accepted Answer

Responsiveness

Question 15

Which of the following is a direct result of metabolism in the human body?

Accepted Answer

Production of energy (ATP)

Question 16

Which equation best represents the anabolic process of building body structures?

Accepted Answer

$$ 	ext{Amino acids} ightarrow 	ext{Proteins} $$

Question 17

Which necessary life function is most directly involved when the kidneys filter blood to remove metabolic wastes?

Accepted Answer

Excretion

Question 18

A person consumes a meal high in carbohydrates, proteins, and lipids. Which survival need is being addressed?

Accepted Answer

Nutrients

Question 19

Which of the following is a multi-step process involving both catabolism and anabolism?

Accepted Answer

Metabolism

Question 20

A patient is suffering from dehydration. Which survival need is most directly compromised?

Accepted Answer

Water

Overview of Necessary Life Functions and Survival Needs in Human Anatomy & Physiology

Study Guide - Practice Questions