Question 1

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

Accepted Answer

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

Question 2

A patient presents with a wound that is not healing properly. Which organ system is most directly responsible for mounting an immune response to foreign substances in the wound?

Accepted Answer

Lymphatic system

Question 3

Which subdivision of anatomy would be most appropriate for studying the microscopic structure of liver cells?

Accepted Answer

Cytology

Question 4

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

Accepted Answer

Responsiveness

Question 5

Which organ system is primarily responsible for synthesizing vitamin D and protecting deeper tissues from injury?

Accepted Answer

Integumentary system

Question 6

A scientist is studying the development of the heart before birth. Which subdivision of anatomy is she using?

Accepted Answer

Embryology

Question 7

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

Accepted Answer

Regulation of blood glucose by insulin

Question 8

If the body temperature drops below 37°C, which homeostatic control component first detects this change?

Accepted Answer

Receptor

Question 9

Which equation best represents the sum of all chemical reactions in the body, known as metabolism?

Accepted Answer

$$Metabolism = Catabolism + Anabolism$$

Question 10

A person is unable to regulate water and electrolyte balance in their blood. Which organ system is most likely impaired?

Accepted Answer

Urinary system

Question 11

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

Accepted Answer

Excessive atmospheric pressure

Question 12

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

Accepted Answer

Cardiovascular system

Question 13

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

Accepted Answer

Increased risk of disease and further imbalance

Question 14

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 stimulus

Question 15

Which organ system is primarily responsible for breaking down food into absorbable units and eliminating indigestible foodstuffs?

Accepted Answer

Digestive system

Question 16

A researcher is studying the microscopic structure of tissues. Which subdivision of anatomy is she using?

Accepted Answer

Histology

Question 17

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

Accepted Answer

Enhancement of labor contractions by oxytocin

Question 18

Which organ system is responsible for producing heat and allowing manipulation of the environment?

Accepted Answer

Muscular system

Question 19

A person is unable to sense and respond to stimuli, such as withdrawing from a hot surface. Which necessary life function is impaired?

Accepted Answer

Responsiveness

Question 20

Which of the following best explains why oxygen is essential for human survival?

Accepted Answer

Oxygen is necessary for the release of energy from foods.

Introduction to Human Anatomy & Physiology: Orientation and Foundational Concepts

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