Question 1

Which of the following best describes the relationship between anatomy and physiology?

Accepted Answer

Anatomy is the study of body structures, while physiology is the study of how those structures function.

Question 2

A patient is experiencing a fever. The body responds by activating mechanisms to lower the temperature back to normal. This is an example of which type of feedback loop?

Accepted Answer

Negative feedback loop

Question 3

Which of the following is an example of the principle 'form follows function' at the organ level?

Accepted Answer

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

Question 4

Which of the following best defines homeostasis?

Accepted Answer

The process by which the body maintains a stable internal environment.

Question 5

Which of the following is NOT a correct pairing of a level of structural organization with an example?

Accepted Answer

Cellular level: Heart

Question 6

A woman is giving birth and the hormone oxytocin causes stronger and stronger uterine contractions until delivery. This is an example of:

Accepted Answer

Positive feedback

Question 7

Which of the following is NOT a type of gradient that drives physiological processes?

Accepted Answer

Homeostatic gradient

Question 8

Which of the following best illustrates cell-cell communication in the human body?

Accepted Answer

A neuron releasing neurotransmitters to stimulate a muscle cell.

Question 9

Which of the following statements about negative feedback loops is TRUE?

Accepted Answer

They maintain homeostasis by reversing a change in a variable.

Question 10

Which of the following is an example of a chemical messenger used in cell-cell communication?

Accepted Answer

Hormone

Question 11

A patient is given intravenous fluids with a higher concentration of sodium than their blood plasma. Which core principle explains why sodium will move from the fluid into the patient’s blood?

Accepted Answer

Gradients drive physiological processes

Question 12

Which of the following best describes gross anatomy?

Accepted Answer

The study of structures visible with the unaided eye.

Question 13

Which of the following is a correct example of the organ system level of organization?

Accepted Answer

The respiratory system, which includes the lungs and trachea.

Question 14

Which of the following scenarios best demonstrates the concept of a pressure gradient in the human body?

Accepted Answer

Blood flows from the arteries (high pressure) to the veins (low pressure).

Question 15

Which of the following is an example of microscopic anatomy?

Accepted Answer

Studying the structure of a neuron using a microscope.

Question 16

Which of the following best explains why the walls of the small intestine are highly folded?

Accepted Answer

To increase surface area for nutrient absorption, demonstrating that structure is related to function.

Question 17

Which of the following is the correct order of levels of structural organization from simplest to most complex?

Accepted Answer

Chemical, cellular, tissue, organ, organ system, organism

Question 18

Which of the following is a real-life example of a concentration gradient in the human body?

Accepted Answer

Oxygen moving from the alveoli (high concentration) into the blood (low concentration).

Question 19

Which of the following best describes the role of feedback loops in maintaining homeostasis?

Accepted Answer

They detect changes and initiate responses to restore balance.

Question 20

A person steps outside on a cold day and their body begins to shiver to generate heat. Which core principle is best illustrated by this response?

Accepted Answer

Homeostasis

Anatomy & Physiology Chapter 1: Introduction, Organization, and Core Principles

Study Guide - Practice Questions

Study Guide - Flashcards