Question 1

Which of the following best defines physiology?

Accepted Answer

The study of the function of the body and its parts, focusing on how they work to carry out life-sustaining activities.

Question 2

Which of the following is an example of negative feedback in the human body?

Accepted Answer

Regulation of blood glucose levels by insulin and glucagon.

Question 3

Arrange the following structural levels of the body in order from largest to smallest: organ, tissue, cell, organ system, organism, molecule, organelle.

Accepted Answer

Organism, organ system, organ, tissue, cell, organelle, molecule

Question 4

Which of the following is NOT one of the eight characteristics of life?

Accepted Answer

Evaporation

Question 5

A patient is lying face down on an examination table. What is the correct anatomical term for this position?

Accepted Answer

Prone

Question 6

Which body plane divides the body into equal left and right halves?

Accepted Answer

Midsagittal plane

Question 7

If a person is standing in the anatomical position, which direction is their palm facing?

Accepted Answer

Anteriorly

Question 8

Which organ is found in the upper right quadrant of the abdomen but NOT in the upper left quadrant?

Accepted Answer

Liver

Question 9

Which of the following best describes the function of serous membranes?

Accepted Answer

They line the cavities and cover the organs within the ventral body cavity, reducing friction.

Question 10

A patient has a stab wound that penetrates the parietal pericardium. Which organ is at risk?

Accepted Answer

Heart

Question 11

Which of the following terms describes a body part that is farther away from the midline of the body?

Accepted Answer

Lateral

Question 12

Which of the following is a correct example of positive feedback?

Accepted Answer

Release of oxytocin to intensify uterine contractions during childbirth

Question 13

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, arms at the sides, palms facing forward, feet together

Question 14

Which of the following is the smallest level of organization needed to be considered alive?

Accepted Answer

Cell

Question 15

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

Accepted Answer

It attaches the intestines to the posterior abdominal wall and provides a pathway for blood vessels and nerves.

Question 16

A patient is experiencing difficulty breathing. Which cavity should be examined for abnormalities in the lungs?

Accepted Answer

Thoracic cavity

Question 17

Which of the following best describes the coronal (frontal) plane?

Accepted Answer

A plane that divides the body into anterior and posterior parts

Question 18

Which of the following is an example of a homeostatic variable?

Accepted Answer

Body temperature

Question 19

If a structure is described as superficial, it is located:

Accepted Answer

Closer to the surface of the body

Question 20

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

Accepted Answer

It lines the internal surface of a body cavity.

Introduction to Human Anatomy & Physiology: Foundational Concepts and Terminology

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