Question 1

Which of the following best describes the principle of complementarity of structure and function?

Accepted Answer

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

Question 2

Which subdivision of anatomy focuses on the study of tissues using a microscope?

Accepted Answer

Histology

Question 3

A patient is experiencing difficulty breathing due to low atmospheric pressure at high altitude. Which survival need is most directly affected?

Accepted Answer

Oxygen

Question 4

Which of the following is an example of negative feedback in homeostatic regulation?

Accepted Answer

Regulation of blood glucose by insulin

Question 5

Which organ system is primarily responsible for removing carbon dioxide from the body?

Accepted Answer

Respiratory system

Question 6

What is the correct order of structural organization in the human body from simplest to most complex?

Accepted Answer

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

Question 7

Which of the following best illustrates a positive feedback mechanism?

Accepted Answer

Blood clotting after a vessel injury

Question 8

A person is unable to sweat due to a genetic disorder. Which necessary life function is most directly impaired?

Accepted Answer

Maintaining boundaries

Question 9

Which of the following is NOT a necessary life function?

Accepted Answer

Respiration

Question 10

A scientist is studying the heart and its blood vessels as a single unit. Which subdivision of anatomy is being used?

Accepted Answer

System anatomy

Question 11

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

Accepted Answer

Provides the means to respond to the stimulus

Question 12

Which of the following is an example of a homeostatic imbalance?

Accepted Answer

Heart failure due to overwhelmed negative feedback

Question 13

Which of the following best explains why water is essential for survival?

Accepted Answer

It provides the watery environment necessary for chemical reactions.

Question 14

A patient has a fever of 40°C. Which survival need is most directly affected?

Accepted Answer

Normal body temperature

Question 15

Which of the following is a function of the female reproductive system as described in the study materials?

Accepted Answer

Production of eggs and female sex hormones

Question 16

Which of the following best describes metabolism?

Accepted Answer

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

Question 17

Which of the following is a correct example of a receptor in a homeostatic control system?

Accepted Answer

Thermoreceptors in the skin detecting temperature changes

Question 18

Which of the following best describes the process of excretion?

Accepted Answer

Removal of wastes from metabolism and digestion

Question 19

A break in a blood vessel wall initiates a positive feedback loop. Which event occurs first in this process?

Accepted Answer

Break or tear occurs in blood vessel wall

Question 20

Which of the following is NOT a subdivision of anatomy?

Accepted Answer

Renal physiology

Anatomy & Physiology I: The Human Body – An Orientation

Study Guide - Practice Questions