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

A patient has a genetic mutation that causes their red blood cells to be spherical rather than biconcave. Which principle does this scenario best illustrate?

Accepted Answer

The principle of complementarity of structure and function

Question 3

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

Accepted Answer

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

Question 4

Which organ system is primarily responsible for transporting oxygen, nutrients, and wastes throughout the body?

Accepted Answer

Cardiovascular system

Question 5

A person is exposed to cold temperatures. Their body responds by shivering to generate heat. Which type of feedback mechanism is this an example of?

Accepted Answer

Negative feedback

Question 6

Which of the following is NOT a necessary life function?

Accepted Answer

Photosynthesis

Question 7

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

Accepted Answer

It provides the means to respond to the stimulus.

Question 8

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

Accepted Answer

Enhancement of labor contractions by oxytocin

Question 9

A person eats a meal high in carbohydrates. Which organ system is primarily responsible for breaking down the food into absorbable units?

Accepted Answer

Digestive system

Question 10

Which of the following best illustrates the law of mass balance in the human body?

Accepted Answer

The total amount of a substance taken in must equal the amount lost to maintain a steady state.

Question 11

Which subdivision of anatomy focuses on the study of tissues?

Accepted Answer

Histology

Question 12

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

Accepted Answer

Excretion

Question 13

Which of the following is a survival need that must be present in appropriate amounts for human life?

Accepted Answer

All of the above

Question 14

Which of the following best describes the function of the lymphatic system?

Accepted Answer

It picks up fluid leaked from blood vessels and returns it to blood; houses white blood cells involved in immunity.

Question 15

Which of the following is an example of a feedforward (anticipatory) response?

Accepted Answer

Salivation triggered by the smell of food before eating

Question 16

Which of the following is NOT a function of the integumentary system?

Accepted Answer

Produces hormones that regulate metabolism

Question 17

A person with a homeostatic imbalance is more likely to:

Accepted Answer

Develop disease

Question 18

Which of the following best describes metabolism?

Accepted Answer

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

Question 19

Which organ system is responsible for eliminating nitrogenous wastes and regulating water, electrolyte, and acid-base balance of the blood?

Accepted Answer

Urinary system

Question 20

Which of the following is a correct example of anatomical variability?

Accepted Answer

A person with an extra muscle in the forearm that does not affect function

Chapter 1: The Human Body—An Orientation (Anatomy & Physiology Study Notes)

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