Question 1

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

Accepted Answer

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

Question 2

A patient presents with difficulty in movement due to muscle weakness. Which level of structural organization is primarily affected?

Accepted Answer

Organ system level

Question 3

Which division of anatomy focuses on the study of all structures in a particular area of the body, such as the abdomen?

Accepted Answer

Regional anatomy

Question 4

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

Accepted Answer

Regulation of blood glucose by insulin

Question 5

A scientist is studying the microscopic structure of tissues. Which branch of anatomy is she working in?

Accepted Answer

Histology

Question 6

Which survival need is most directly responsible for the release of energy from food molecules?

Accepted Answer

Oxygen

Question 7

If a person's body temperature drops below $37^\circ C$, what is the most likely physiological consequence?

Accepted Answer

Rates of chemical reactions decrease.

Question 8

Which of the following best illustrates the concept of maintaining boundaries as a necessary life function?

Accepted Answer

The skin separating the organism from the environment

Question 9

A patient is unable to sense pain in their hand after an injury. Which necessary life function is most directly impaired?

Accepted Answer

Responsiveness

Question 10

Which organ system is primarily responsible for providing the means to respond to stimuli in a homeostatic control system?

Accepted Answer

Effector system (such as muscles or glands)

Question 11

Which of the following is NOT a survival need for humans?

Accepted Answer

Nitrogen gas

Question 12

Which process is described as the sum of all catabolism and anabolism in the body?

Accepted Answer

Metabolism

Question 13

A person is experiencing rapid breathing after running. Which necessary life function is being demonstrated?

Accepted Answer

Responsiveness

Question 14

Which of the following best describes positive feedback in homeostatic control?

Accepted Answer

Response enhances or exaggerates the original stimulus.

Question 15

Which equation best represents the relationship between catabolism, anabolism, and metabolism?

Accepted Answer

$Metabolism = Catabolism + Anabolism$

Question 16

A patient has a genetic disorder affecting the plasma membrane of their cells. Which necessary life function is most likely compromised?

Accepted Answer

Maintaining boundaries

Question 17

Which organ system is primarily responsible for the removal of metabolic wastes such as urea?

Accepted Answer

Urinary system

Question 18

Which of the following is an example of a variable that must be regulated to maintain homeostasis?

Accepted Answer

Blood sugar

Question 19

During childbirth, the release of oxytocin causes increased contractions, which in turn cause more oxytocin to be released. This is an example of:

Accepted Answer

Positive feedback

Question 20

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

Accepted Answer

It determines the set point and appropriate response.

Anatomy & Physiology: The Human Body – An Orientation

Study Guide - Practice Questions