Question 1

Which of the following best illustrates the principle of complementarity of structure and function?

Accepted Answer

The thin walls of alveoli in the lungs allow for efficient gas exchange.

Question 2

Which of the following is an example of physiology rather than anatomy?

Accepted Answer

Describing how the heart pumps blood throughout the body.

Question 3

Which organ system is primarily responsible for producing hormones that regulate growth, metabolism, and reproduction?

Accepted Answer

Endocrine system

Question 4

Arrange the following levels of structural organization in the human body from smallest to largest:

1. Tissue
2. Organism
3. Cell
4. Organ
5. Chemical

Accepted Answer

5, 3, 1, 4, 2

Question 5

A patient is experiencing a rapid loss of blood due to a deep cut. The body responds by increasing clotting until the bleeding stops. This is an example of which type of feedback loop?

Accepted Answer

Positive feedback

Question 6

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, facing forward, arms at sides with palms facing forward, feet slightly apart

Question 7

A transverse (horizontal) plane divides the body into which of the following sections?

Accepted Answer

Superior and inferior parts

Question 8

Which of the following statements about atoms is correct?

Accepted Answer

An atom with 11 protons, 12 neutrons, and 10 electrons has a net charge of $$+1.$$

Question 9

Which of the following best describes an ionic bond?

Accepted Answer

A chemical bond formed by the transfer of electrons from one atom to another.

Question 10

A sodium atom ($$Na) $$has an atomic number of $$11$$ and an atomic mass of $$23. $$How many neutrons does it have?

Accepted Answer

$$12$$

Question 11

Which of the following is NOT a necessary life function?

Accepted Answer

Accumulation of waste products in the body

Question 12

Which of the following best describes the function of the plasma membrane?

Accepted Answer

It regulates the movement of substances into and out of the cell.

Question 13

Which type of cell junction allows for the passage of ions and small molecules directly between adjacent cells, such as in cardiac muscle?

Accepted Answer

Gap junction

Question 14

Which of the following is an example of passive transport?

Accepted Answer

Osmosis

Question 15

A red blood cell is placed in a hypotonic solution. What will happen to the cell, and which transport process is responsible?

Accepted Answer

The cell will swell and possibly burst due to osmosis.

Question 16

Which organelle is responsible for producing ATP, the energy currency of the cell?

Accepted Answer

Mitochondrion

Question 17

Which of the following best describes the function of the cytoskeleton?

Accepted Answer

It provides structural support and helps maintain cell shape.

Question 18

Which of the following is a correct statement about active transport?

Accepted Answer

It requires energy in the form of ATP to move substances against their concentration gradient.

Question 19

A patient has a genetic defect that prevents the formation of desmosomes. Which tissue would be most affected?

Accepted Answer

Epithelial tissue subjected to mechanical stress, such as skin

Question 20

Which of the following best describes homeostasis?

Accepted Answer

The maintenance of a stable internal environment despite external changes

Anatomy and Physiology I: Study Guide for Chapters 1–3

Study Guide - Practice Questions

Study Guide - Flashcards