Question 1

Which of the following best describes the principle of complementarity in anatomy and physiology?

Accepted Answer

Function always reflects structure; what a structure can do depends on its specific form.

Question 2

A patient is unable to sweat, resulting in an inability to cool down during exercise. Which core principle of physiology is most directly affected?

Accepted Answer

Feedback loops maintain homeostasis.

Question 3

Which organ system is primarily responsible for producing movement and generating heat in the human body?

Accepted Answer

Muscular system

Question 4

A person is exposed to cold temperatures, causing their body temperature to drop below normal. Which of the following best describes the negative feedback response?

Accepted Answer

Receptors detect the drop, the control center initiates shivering, and body temperature returns to normal.

Question 5

Which of the following is NOT a characteristic of life shared by all living organisms?

Accepted Answer

Photosynthesis

Question 6

Which organ system is responsible for regulating the functions of muscles, glands, and other tissues through the secretion of hormones?

Accepted Answer

Endocrine system

Question 7

A patient has a blockage in their lymphatic vessels. Which of the following consequences is most likely?

Accepted Answer

Impaired immunity and accumulation of excess tissue fluid

Question 8

Which of the following best illustrates the concept of a physiological gradient?

Accepted Answer

The movement of oxygen from an area of high concentration in the lungs to low concentration in the blood

Question 9

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

Accepted Answer

Amplification of platelet activity during blood clotting

Question 10

Which level of structural organization is immediately above the tissue level?

Accepted Answer

Organ level

Question 11

A scientist is studying the microscopic structure of the liver. Which branch of anatomy is she most likely using?

Accepted Answer

Histology

Question 12

Which of the following best describes the function of the urinary system?

Accepted Answer

Removes metabolic wastes from the blood and maintains fluid, electrolyte, and acid-base balance

Question 13

Which of the following is a direct result of cell-cell communication in the nervous system?

Accepted Answer

Nerve impulses trigger muscle contraction

Question 14

Which organ system is primarily responsible for protecting the body from the external environment and producing vitamin D?

Accepted Answer

Integumentary system

Question 15

A patient is unable to absorb nutrients properly due to a malfunction in their small intestine. Which organ system is directly affected?

Accepted Answer

Digestive system

Question 16

Which of the following best describes the role of the cardiovascular system?

Accepted Answer

Pumps and delivers oxygen-rich blood to tissues and removes wastes

Question 17

Which of the following is an example of a regulated variable in a homeostatic feedback loop?

Accepted Answer

Body temperature

Question 18

Which of the following best describes the function of the skeletal system?

Accepted Answer

Supports the body, protects internal organs, and stores calcium salts

Question 19

Which of the following is a correct sequence of the levels of structural organization in the human body, from simplest to most complex?

Accepted Answer

Chemical, cell, tissue, organ, organ system, organism

Question 20

A patient is experiencing difficulty breathing due to thickened lung tissue. Which core principle explains why this impairs gas exchange?

Accepted Answer

Gradients drive physiological processes

Introduction to Anatomy and Physiology: Core Concepts and Systems

Study Guide - Practice Questions

Study Guide - Flashcards