Question 1

Which of the following best illustrates the principle of complementarity of structure and function?

Accepted Answer

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

Question 2

Which level of structural organization is correctly matched with its description?

Accepted Answer

Organ system level: Different organs that work closely together.

Question 3

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

Accepted Answer

Cardiovascular system

Question 4

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

Accepted Answer

Homeostasis

Question 5

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

Accepted Answer

Regulation of body temperature by sweating or shivering

Question 6

Which directional term best describes the position of the heart relative to the lungs?

Accepted Answer

Medial

Question 7

A transverse (horizontal) plane divides the body into which sections?

Accepted Answer

Superior and inferior

Question 8

Which serous membrane directly covers the surface of the heart?

Accepted Answer

Visceral pericardium

Question 9

Which of the following best describes the function of serous fluid?

Accepted Answer

It lubricates and reduces friction between organs.

Question 10

A patient has a stab wound that penetrates the skin, muscle, and reaches the bone. Which directional terms best describe the path of the wound?

Accepted Answer

Superficial to deep

Question 11

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

Accepted Answer

Movement

Question 12

Which body cavity contains the brain?

Accepted Answer

Cranial cavity

Question 13

Which of the following best describes the anatomical position?

Accepted Answer

Body is erect, palms facing forward, thumbs pointing away from the body

Question 14

Which plane would separate the body into anterior and posterior parts?

Accepted Answer

Frontal (coronal) plane

Question 15

Which organ system is responsible for eliminating nitrogenous wastes and regulating water balance?

Accepted Answer

Urinary system

Question 16

A patient is experiencing a homeostatic imbalance. Which of the following is a likely consequence if the imbalance is not corrected?

Accepted Answer

Disease or disorder may develop.

Question 17

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

Accepted Answer

It removes excess fluid from tissues and houses immune cells.

Question 18

Which abdominopelvic quadrant contains the majority of the liver?

Accepted Answer

Right upper quadrant (RUQ)

Question 19

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

Accepted Answer

Formation of a platelet plug during blood clotting

Question 20

If a structure is described as distal to the elbow, where is it located?

Accepted Answer

Farther from the point of attachment than the elbow

Introduction to Anatomy and Physiology: The Human Body—An Orientation

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