$$\text{Metabolism} = \text{Catabolism} + \text{Anabolism}$$

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 a wound that is not healing properly due to poor blood clot formation. Which feedback mechanism is most likely impaired?

Accepted Answer

Positive feedback mechanism regulating platelet plug formation.

Question 3

Which level of structural organization is defined as a group of similar cells performing a common function?

Accepted Answer

Tissue level

Question 4

During exercise, the body increases breathing rate to supply more oxygen to muscles. Which necessary life function does this best illustrate?

Accepted Answer

Movement

Question 5

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

Accepted Answer

Excretory system

Question 6

A scientist is studying the microscopic structure of liver cells. Which division of anatomy is she practicing?

Accepted Answer

Cytology

Question 7

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

Accepted Answer

Excessive atmospheric pressure

Question 8

If the body temperature rises above 37°C, which feedback mechanism is activated to restore homeostasis?

Accepted Answer

Negative feedback

Question 9

Which of the following best illustrates the concept of metabolism?

Accepted Answer

The breakdown of glucose to release energy and the synthesis of proteins from amino acids.

Question 10

A patient with diabetes has difficulty regulating blood glucose levels. Which homeostatic control system component is most likely malfunctioning?

Accepted Answer

Control center (pancreas)

Question 11

Which equation best represents the sum of all chemical reactions in the body (metabolism)?

Accepted Answer

$$	ext{Metabolism} = 	ext{Catabolism} + 	ext{Anabolism}$$

Question 12

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 13

Which organ system is most directly involved in maintaining boundaries between internal and external environments?

Accepted Answer

Integumentary system (skin)

Question 14

A researcher is analyzing the development of the heart before birth. Which field of anatomy is she studying?

Accepted Answer

Embryology

Question 15

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

Accepted Answer

They provide the means to respond to stimuli.

Question 16

Which of the following is a real-world example of the principle of complementarity of structure and function?

Accepted Answer

The flat surfaces of molars are ideal for grinding food, while the sharp edges of incisors are ideal for cutting.

Question 17

Which of the following is NOT a division of gross anatomy?

Accepted Answer

Cytology

Question 18

If atmospheric pressure drops significantly, which survival need is most directly affected?

Accepted Answer

Adequate breathing and gas exchange in the lungs

Question 19

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

Accepted Answer

It determines the set point and appropriate response for a variable.

Question 20

Which of the following statements about homeostatic imbalance is correct?

Accepted Answer

Homeostatic imbalance contributes to aging and may lead to destructive positive feedback mechanisms.

Anatomy & Physiology: The Human Body – An Orientation 1A

Study Guide - Practice Questions