Question 1

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

Accepted Answer

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

Question 2

A patient presents with difficulty breathing due to a decrease in atmospheric pressure. Which survival need is most directly affected?

Accepted Answer

Appropriate atmospheric pressure

Question 3

Which organ system is primarily responsible for removing metabolic waste such as urea from the body?

Accepted Answer

Urinary system

Question 4

During homeostatic regulation, which component determines the set point and initiates the appropriate response?

Accepted Answer

Control center

Question 5

A midsagittal plane divides the body into which of the following?

Accepted Answer

Equal right and left halves

Question 6

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

Accepted Answer

Enhancement of labor contractions by oxytocin

Question 7

If the body temperature drops below $37^\circ C$, which of the following is most likely to occur?

Accepted Answer

Rates of chemical reactions decrease

Question 8

Which body cavity protects the fragile nervous system and includes the cranial and vertebral cavities?

Accepted Answer

Dorsal body cavity

Question 9

A patient with pleurisy is experiencing pain due to inflammation of which serous membrane?

Accepted Answer

Pleura

Question 10

Which of the following best describes metabolism?

Accepted Answer

All chemical reactions that occur in body cells, including both catabolism and anabolism

Question 11

A patient has a hiatal hernia, where part of the stomach protrudes through the diaphragm into the thoracic cavity. Which body cavity is affected?

Accepted Answer

Thoracic cavity

Question 12

Which abdominopelvic quadrant contains the liver and gallbladder?

Accepted Answer

Right upper quadrant (RUQ)

Question 13

Which of the following is NOT a necessary life function?

Accepted Answer

Respiration

Question 14

Which organ system is responsible for transporting nutrients, gases, and wastes throughout the body?

Accepted Answer

Cardiovascular system

Question 15

Which of the following best describes the role of the effector in a homeostatic control system?

Accepted Answer

Provides the means to respond to the control center's output

Question 16

Which of the following is a function of the plasma membrane in maintaining boundaries?

Accepted Answer

Separates cells from their external environment

Question 17

Which of the following is a correct sequence of levels of structural organization in the human body, from smallest to largest?

Accepted Answer

Chemical, cellular, tissue, organ, organ system, organismal

Question 18

Which of the following is an example of a scenario where negative feedback is overwhelmed and destructive positive feedback takes over?

Accepted Answer

Heart failure

Question 19

Which plane divides the body into superior and inferior parts?

Accepted Answer

Transverse (horizontal) plane

Question 20

A patient is experiencing pain in the left lumbar region. Which organ is most likely affected?

Accepted Answer

Descending colon

Chapter 1: The Human Body – An Orientation (Anatomy & Physiology Study Guide)

Study Guide - Practice Questions