Question 1

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

Accepted Answer

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

Question 2

A histologist is most likely to study which of the following?

Accepted Answer

The microscopic structure of tissues.

Question 3

Which level of structural organization is directly above the cellular level?

Accepted Answer

Tissue level

Question 4

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

Accepted Answer

Muscular system

Question 5

A patient is unable to maintain a stable internal body temperature. Which concept does this scenario best illustrate?

Accepted Answer

Homeostatic imbalance

Question 6

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

Accepted Answer

Regulation of blood glucose by insulin

Question 7

Which of the following is NOT considered a necessary life function?

Accepted Answer

Photosynthesis

Question 8

A scientist is studying the breakdown of glucose in cells to release energy. Which term best describes this process?

Accepted Answer

Catabolism

Question 9

Which survival need is most directly involved in the release of energy from food molecules?

Accepted Answer

Oxygen

Question 10

If atmospheric pressure drops significantly, which body function would be most directly affected?

Accepted Answer

Breathing and gas exchange in the lungs

Question 11

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

Accepted Answer

It monitors the environment and responds to stimuli.

Question 12

Which feedback mechanism is most likely to result in a rapid, self-amplifying cascade?

Accepted Answer

Positive feedback

Question 13

Which of the following is a correct sequence of the levels of structural organization in the human body, from simplest to most complex?

Accepted Answer

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

Question 14

Which of the following is an example of a positive feedback mechanism?

Accepted Answer

Formation of a platelet plug during blood clotting

Question 15

A person is experiencing uncontrolled heart contractions due to a failure in feedback mechanisms. Which type of feedback is most likely overwhelmed?

Accepted Answer

Negative feedback

Question 16

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 external environment

Question 17

Which organ system is most directly responsible for excretion of metabolic wastes?

Accepted Answer

Urinary system

Question 18

Which of the following is a function of carbohydrates in the human body?

Accepted Answer

Major source of energy for cells

Question 19

Which of the following statements about homeostasis is correct?

Accepted Answer

Homeostasis is maintained by contributions of all organ systems.

Question 20

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

Accepted Answer

Control center (pancreas)

Anatomy & Physiology: The Human Body – An Orientation

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