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

Question 1

Which principle explains why the structure of a body part determines its function in anatomy and physiology?

Accepted Answer

Principle of complementarity of structure and function

Question 2

A patient is unable to maintain a stable internal body temperature after exposure to cold. Which necessary life function is most directly impaired?

Accepted Answer

Homeostasis

Question 3

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

Accepted Answer

Histology

Question 4

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

Accepted Answer

Appropriate atmospheric pressure

Question 5

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

Accepted Answer

Regulation of blood glucose by insulin

Question 6

Which organ system is primarily responsible for removing metabolic wastes from the body?

Accepted Answer

Excretory system

Question 7

If a cell membrane fails to separate the internal environment from the external environment, which necessary life function is compromised?

Accepted Answer

Maintaining boundaries

Question 8

Which level of structural organization consists of similar cells working together to perform a specific function?

Accepted Answer

Tissue level

Question 9

A patient with heart failure is experiencing destructive positive feedback mechanisms. What is the likely consequence of this homeostatic imbalance?

Accepted Answer

Increased risk of disease and further system failure

Question 10

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 commands

Question 11

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

Accepted Answer

Responsiveness

Question 12

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

Accepted Answer

Movement

Question 13

A scientist is studying the development of organs before birth. Which subdivision of anatomy is being used?

Accepted Answer

Embryology

Question 14

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

Accepted Answer

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

Question 15

Which of the following is a correct example of positive feedback?

Accepted Answer

Blood clotting after injury

Question 16

A patient has a body temperature of $$39^\circ\mathrm{C}. $$Which survival need is not being met?

Accepted Answer

Normal body temperature

Question 17

Which organ system is primarily responsible for movement of the body?

Accepted Answer

Muscular system

Question 18

Which component of a homeostatic control system determines the set point for a variable?

Accepted Answer

Control center

Question 19

If the pancreas fails to secrete insulin in response to high blood glucose, which part of the homeostatic control system is malfunctioning?

Accepted Answer

Control center

Question 20

Which of the following best describes the dynamic nature of homeostasis?

Accepted Answer

Homeostasis is a dynamic state of equilibrium, always readjusting as needed.

The Human Body: An Orientation – Study Notes

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