Question 1

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

Accepted Answer

The flat surfaces of molar teeth make them ideal for grinding food.

Question 2

A patient is unable to maintain a stable internal body temperature. Which organ system is most likely malfunctioning?

Accepted Answer

Nervous system

Question 3

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

Accepted Answer

Chemical level → Cellular level → Tissue level → Organ level → Organ system level → Organismal level

Question 4

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

Accepted Answer

Regulation of blood glucose by insulin

Question 5

A person is experiencing difficulty breathing at high altitude due to low atmospheric pressure. Which survival need is most directly affected?

Accepted Answer

Appropriate atmospheric pressure

Question 6

Which directional term best describes the relationship of the heart to the lungs?

Accepted Answer

Medial

Question 7

A cut made along which plane would divide the body into anterior and posterior parts?

Accepted Answer

Frontal (coronal) plane

Question 8

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

Accepted Answer

They reduce friction between organs by secreting serous fluid.

Question 9

A patient has a stab wound that penetrates the parietal pericardium. Which organ is at risk?

Accepted Answer

Heart

Question 10

Which of the following is NOT a necessary life function?

Accepted Answer

Photosynthesis

Question 11

A patient is diagnosed with a tumor in the right lower quadrant (RLQ) of the abdominopelvic cavity. Which organ is most likely affected?

Accepted Answer

Appendix

Question 12

Which organ system is primarily responsible for eliminating nitrogenous wastes from the body?

Accepted Answer

Urinary system

Question 13

Which of the following best describes the role of the effector in a homeostatic control mechanism?

Accepted Answer

It provides the means to respond to the stimulus and restore balance.

Question 14

Which of the following is an example of positive feedback?

Accepted Answer

Platelet plug formation during blood clotting

Question 15

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

Accepted Answer

Vertebral column

Question 16

Which of the following best explains why the body needs oxygen as a survival need?

Accepted Answer

Oxygen is essential for the release of energy from foods during cellular respiration.

Question 17

If a patient has a deep wound on the anterior surface of the thigh, which directional terms best describe the location?

Accepted Answer

Deep and anterior

Question 18

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

Accepted Answer

Synthesizes vitamin D

Question 19

A patient is unable to absorb nutrients from food due to a malfunction in the small intestine. Which necessary life function is directly impaired?

Accepted Answer

Digestion

Question 20

Which of the following best describes the relationship between anatomy and physiology?

Accepted Answer

Anatomy is the study of structure, and physiology is the study of function; function always reflects structure.

Chapter 1: The Human Body—An Orientation (Mini-Textbook Study Notes)

Study Guide - Practice Questions