Question 1

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

Accepted Answer

The sharp edges of incisors make them ideal for cutting food.

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 of the following is the correct sequence of 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 is exposed to extreme cold, causing their body temperature to drop. Which of the following best describes the homeostatic response?

Accepted Answer

Skeletal muscles contract, causing shivering to generate heat.

Question 5

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

Accepted Answer

Enhancement of labor contractions by oxytocin

Question 6

A patient has inflammation of the serous membrane lining the abdominal cavity. What is the clinical term for this condition?

Accepted Answer

Peritonitis

Question 7

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

Accepted Answer

Urinary system

Question 8

A midsagittal plane divides the body into:

Accepted Answer

Equal right and left halves

Question 9

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

Accepted Answer

Returns leaked fluid to blood, disposes of debris, and houses immune cells

Question 10

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

Accepted Answer

Lateral

Question 11

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

Accepted Answer

Transverse (horizontal) plane

Question 12

Which of the following is NOT a necessary life function?

Accepted Answer

Photosynthesis

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 of the following best describes the function of the control center in a homeostatic control mechanism?

Accepted Answer

Determines the set point and appropriate response to input

Question 15

A patient is scheduled for surgery on the right lower quadrant (RLQ) of the abdomen. Which organ is most likely to be involved?

Accepted Answer

Appendix

Question 16

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

Accepted Answer

Salivation triggered by the smell of food before ingestion

Question 17

Which of the following statements about anatomical variability is correct?

Accepted Answer

Over 90% of anatomical structures match textbook descriptions, but minor variations exist.

Question 18

Which of the following is the best example of the law of mass balance in physiology?

Accepted Answer

The amount of water consumed equals the amount excreted, maintaining constant body water.

Question 19

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

Accepted Answer

Synthesizes vitamin D and protects deeper tissues from injury

Question 20

Which of the following best describes the anatomical position?

Accepted Answer

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

Chapter 1: The Human Body—An Orientation (Anatomy & Physiology Study Notes)

Study Guide - Practice Questions

Study Guide - Flashcards