Question 1

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

Accepted Answer

The thin walls of alveoli in the lungs allow for rapid gas exchange.

Question 2

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

Accepted Answer

Homeostasis

Question 3

Which of the following is the correct order 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 4

A person with kidney failure is unable to remove urea from the blood. Which necessary life function is most directly affected?

Accepted Answer

Excretion

Question 5

Which two organ systems are essential for delivering oxygen to tissues?

Accepted Answer

Respiratory and Cardiovascular

Question 6

A patient is experiencing metabolic acidosis. Which organ system is primarily responsible for regulating the acid/base balance of the blood?

Accepted Answer

Urinary system

Question 7

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

Accepted Answer

Regulation of blood glucose by insulin

Question 8

During childbirth, the release of oxytocin increases uterine contractions, which in turn causes more oxytocin to be released. This is an example of:

Accepted Answer

Positive feedback

Question 9

Which of the following best describes anatomical position?

Accepted Answer

Standing erect, feet slightly apart, palms facing forward, thumbs pointing away from the body

Question 10

A patient has a stab wound to the left lower quadrant of the abdomen. Which organ is most likely to be injured?

Accepted Answer

Sigmoid colon

Question 11

Which directional term best describes the relationship of the wrist to the elbow?

Accepted Answer

Distal

Question 12

A cross-section taken horizontally through the abdomen would be in which anatomical plane?

Accepted Answer

Transverse (horizontal) plane

Question 13

Which of the following is NOT a survival need of the body?

Accepted Answer

Reproduction

Question 14

A patient with a severe burn loses the ability to maintain boundaries between internal and external environments. Which structure is primarily compromised?

Accepted Answer

Skin

Question 15

Which of the following best describes the afferent pathway in a negative feedback system?

Accepted Answer

It carries information from the receptor to the control center.

Question 16

If a patient is unable to absorb nutrients from the digestive tract, which necessary life function is most directly affected?

Accepted Answer

Digestion

Question 17

Which organ system is responsible for eliminating water-soluble wastes from the body?

Accepted Answer

Urinary system

Question 18

A spinal tap is performed to collect cerebrospinal fluid. From which body cavity is the fluid withdrawn?

Accepted Answer

Dorsal cavity

Question 19

Which of the following scenarios best demonstrates a homeostatic imbalance?

Accepted Answer

A person develops diabetes due to the inability to regulate blood glucose levels.

Question 20

Which of the following equations best represents the relationship between catabolism, anabolism, and metabolism?

Accepted Answer

$$Metabolism = Catabolism + Anabolism$$

The Human Body: An Orientation – Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards