Question 1

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

Accepted Answer

Anatomy describes the structures of the body, while physiology explains how those structures function.

Question 2

Which level of organization is correctly matched with its description?

Accepted Answer

Organ level: A group of different tissues working together

Question 3

A patient has a disease that affects the function of their heart. Which branch of physiology would most likely study this?

Accepted Answer

Organ physiology

Question 4

Which organ system is primarily responsible for defending the body against infection and disease?

Accepted Answer

Lymphatic system

Question 5

Refer to the first image provided. Which sequence correctly identifies the levels of organization shown from left to right?

Accepted Answer

Atom, molecule, protein filament, muscle cell, muscle tissue

Question 6

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

Accepted Answer

Increased sweating to lower body temperature when overheated

Question 7

Which organ system is responsible for distributing oxygen, nutrients, and heat throughout the body?

Accepted Answer

Cardiovascular system

Question 8

A scientist is studying the microscopic structure of liver tissue. Which field is she working in?

Accepted Answer

Histology

Question 9

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

Accepted Answer

Excretes waste products from the blood and regulates water balance

Question 10

In the context of homeostasis, what is the role of the effector?

Accepted Answer

Carries out instructions to restore homeostasis

Question 11

Which of the following is an example of positive feedback?

Accepted Answer

Blood clotting after injury

Question 12

A person is exposed to a cold environment. Which physiological response is most likely to occur as part of negative feedback?

Accepted Answer

Decreased sweating and shivering

Question 13

Which organ system is responsible for producing male sex cells and hormones?

Accepted Answer

Male reproductive system

Question 14

Which of the following best describes autoregulation (intrinsic regulation)?

Accepted Answer

An automatic response in a cell, tissue, or organ to an environmental change

Question 15

Refer to the second image provided. Which sequence correctly identifies the levels of organization shown from left to right?

Accepted Answer

Tissue, organ, organ system, organism

Question 16

Which organ system is primarily responsible for processing and absorbing nutrients from food?

Accepted Answer

Digestive system

Question 17

Which of the following is NOT a function of the integumentary system?

Accepted Answer

Forms blood cells

Question 18

A patient has a disorder affecting the production of hormones that regulate metabolism. Which organ system is most likely involved?

Accepted Answer

Endocrine system

Question 19

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

Accepted Answer

Delivers air to alveoli and removes carbon dioxide from the bloodstream

Question 20

Which of the following best explains why positive feedback is less common than negative feedback in maintaining homeostasis?

Accepted Answer

Negative feedback opposes changes, maintaining stability, while positive feedback amplifies changes and can move the body away from homeostasis

Introduction to Anatomy and Physiology: Foundations and Homeostasis

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