Question 1

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

Accepted Answer

What a structure can do depends on its specific form.

Question 2

A patient presents with a hiatal hernia, where part of the stomach protrudes through the diaphragm into the thoracic cavity. Which body cavity is directly affected by this condition?

Accepted Answer

Ventral body cavity

Question 3

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

Accepted Answer

Urinary system

Question 4

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 5

A midsagittal plane divides the body into:

Accepted Answer

Equal right and left halves

Question 6

Which of the following is NOT a necessary life function?

Accepted Answer

Homeostasis

Question 7

Which subdivision of anatomy focuses on the study of tissues?

Accepted Answer

Histology

Question 8

A patient is experiencing pain in the right lower quadrant (RLQ) of the abdominopelvic region. Which organ is most likely involved?

Accepted Answer

Appendix

Question 9

Which of the following best describes the function of the serous membranes in the ventral body cavity?

Accepted Answer

They secrete a lubricating fluid to reduce friction between organs.

Question 10

Which organ system is responsible for synthesizing vitamin D and housing cutaneous receptors?

Accepted Answer

Integumentary system

Question 11

A patient has a body temperature of 41°C (105.8°F). Which survival need is most directly threatened?

Accepted Answer

Normal body temperature

Question 12

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

Accepted Answer

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

Question 13

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

Accepted Answer

Picks up fluid leaked from blood vessels and returns it to blood

Question 14

Which directional term means 'away from the midline of the body'?

Accepted Answer

Lateral

Question 15

A patient is diagnosed with peritonitis. Which membrane is inflamed?

Accepted Answer

Peritoneum

Question 16

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

Accepted Answer

Enhancement of labor contractions by oxytocin

Question 17

Which plane divides the body into anterior and posterior parts?

Accepted Answer

Frontal (coronal) plane

Question 18

Which two organ systems are primarily responsible for regulating homeostasis in the body?

Accepted Answer

Nervous and endocrine systems

Question 19

Which of the following is a function of the muscular system?

Accepted Answer

Allows manipulation of the environment and produces heat

Question 20

Which of the following best describes the law of mass balance as it applies to homeostasis?

Accepted Answer

The total amount of a substance taken in must equal the amount lost.

Chapter 1: The Human Body – An Orientation (Anatomy & Physiology Study Guide)

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