Question 1

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

Accepted Answer

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

Question 2

A patient presents with inflammation of the serous membrane lining the abdominal cavity. Which condition is most likely?

Accepted Answer

Peritonitis

Question 3

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

Accepted Answer

Cardiovascular system

Question 4

A midsagittal section of the body would pass through which of the following structures?

Accepted Answer

Nasal cavity

Question 5

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

Accepted Answer

Regulation of blood glucose by insulin

Question 6

Which of the following best describes the chemical level of organization in the human body?

Accepted Answer

Atoms combine to form molecules

Question 7

A surgeon makes a horizontal cut that divides the body into superior and inferior parts. This cut is made along which plane?

Accepted Answer

Transverse (horizontal) plane

Question 8

Which of the following is NOT a necessary life function?

Accepted Answer

Photosynthesis

Question 9

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

Accepted Answer

Forms the external body covering and protects deeper tissues from injury

Question 10

A patient with a hiatal hernia has part of their stomach protruding into which cavity?

Accepted Answer

Thoracic cavity

Question 11

Which of the following is a correct sequence 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 12

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

Accepted Answer

Enhancement of labor contractions by oxytocin

Question 13

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

Accepted Answer

Oxygen

Question 14

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

Accepted Answer

Lateral

Question 15

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 16

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

Accepted Answer

Returns leaked fluid to blood and houses cells involved in immunity

Question 17

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

Accepted Answer

Eliminates nitrogenous wastes from the body

Question 18

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

Accepted Answer

Release of digestive juices in response to the smell of food

Question 19

Which of the following statements about anatomical position is correct?

Accepted Answer

The body is erect, feet slightly apart, and palms facing forward with thumbs pointing away from the body.

Question 20

Which membrane directly covers the surface of the lungs?

Accepted Answer

Visceral pleura

Chapter 1: The Human Body—An Orientation (Marieb Human Anatomy & Physiology, 12th Edition)

Study Guide - Practice Questions