Question 1

Which of the following best describes the primary function of the integumentary system?

Accepted Answer

Protection against environmental hazards

Question 2

A patient suffers a fracture in the femur. Which organ system is primarily affected, and what is one of its major functions?

Accepted Answer

Skeletal system; storage of minerals

Question 3

Which of the following organs is NOT part of the central nervous system (CNS)?

Accepted Answer

Cranial nerves

Question 4

Which equation best represents the relationship between the cardiovascular system and body temperature regulation?

Accepted Answer

$$Q = m c \Delta T$$

Question 5

A person with a malfunctioning pancreas may have difficulty with which of the following?

Accepted Answer

Regulating blood sugar levels

Question 6

Which of the following is a function shared by both the nervous and endocrine systems?

Accepted Answer

Communication and integration of body functions

Question 7

Which structure is responsible for the exchange of oxygen and carbon dioxide in the respiratory system?

Accepted Answer

Alveoli

Question 8

A patient with kidney failure is unable to maintain which of the following homeostatic balances?

Accepted Answer

Electrolyte and water balance

Question 9

Which of the following best describes the function of lymph nodes in the lymphatic system?

Accepted Answer

Filtration of lymph and initiation of immune responses

Question 10

Which of the following is an example of a prosthesis used for nonvital organ replacement?

Accepted Answer

Artificial joint

Question 11

Which organ system is primarily responsible for the mechanical and chemical breakdown of food?

Accepted Answer

Digestive system

Question 12

Which of the following is a function of the skeletal system that directly supports the immune system?

Accepted Answer

Formation of blood cells

Question 13

Which of the following best explains why homeostasis requires the coordinated function of all organ systems?

Accepted Answer

Organ systems are structurally and functionally interdependent

Question 14

A patient is unable to produce sperm. Which organ system and structure are most likely affected?

Accepted Answer

Male reproductive system; testes

Question 15

Which of the following is a correct pairing of an organ and its primary function?

Accepted Answer

Kidney – excretion of waste products

Question 16

Which of the following equations best represents the acid-base balance regulated by the respiratory system?

Accepted Answer

$$CO_2 + H_2O$$ \leftrightarrow H_2CO_3 \leftrightarrow H^+ + $$HCO_3$$^-$$

Question 17

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

Accepted Answer

Production of red blood cells

Question 18

Which of the following best describes the role of the appendix in the digestive system?

Accepted Answer

Holds bacteria that assist digestion

Question 19

A patient with a damaged thymus would most likely experience problems with which body function?

Accepted Answer

Immune response

Question 20

Which of the following best explains why the loss of function in a vital organ is immediately life-threatening?

Accepted Answer

Vital organs perform essential functions necessary for survival

Overview of Human Organ Systems

Study Guide - Practice Questions