Question 1

Which of the following best illustrates the Principle of Complementarity in human anatomy and physiology?

Accepted Answer

The structure of alveoli in the lungs maximizes surface area for gas exchange.

Question 2

A patient presents with a stab wound that penetrates the skin and muscle but does not reach the bone. Which directional terms best describe the location of the wound relative to the bone?

Accepted Answer

Superficial to the bone

Question 3

Which organ system is primarily responsible for returning tissue fluids to the bloodstream and defending against infection?

Accepted Answer

Lymphatic system

Question 4

A midsagittal plane divides the body into:

Accepted Answer

Equal right and left halves

Question 5

Which of the following is NOT a function of the integumentary system?

Accepted Answer

Forms blood cells

Question 6

If a person is lying face up, arms at their sides, and palms facing upward, what anatomical position are they in?

Accepted Answer

Supine

Question 7

Which of the following best describes a negative feedback loop?

Accepted Answer

A process that opposes the initial change and returns a variable to its set point.

Question 8

Which organ is located in the abdominal cavity and is responsible for producing bile?

Accepted Answer

Liver

Question 9

A transverse plane divides the body into which sections?

Accepted Answer

Superior and inferior

Question 10

Which of the following is an example of a concentration gradient in the human body?

Accepted Answer

Oxygen concentration is higher in alveoli than in pulmonary capillaries.

Question 11

Which serous membrane directly covers the heart?

Accepted Answer

Visceral pericardium

Question 12

A patient has a tumor in the vertebral canal. Which organ is most likely affected?

Accepted Answer

Spinal cord

Question 13

Which organ system is responsible for controlling water balance and regulating blood ion concentrations?

Accepted Answer

Urinary system

Question 14

Which of the following best describes the relationship between the heart and the diaphragm?

Accepted Answer

The heart is superior to the diaphragm.

Question 15

Which of the following equations best represents the concept of a pressure gradient?

Accepted Answer

$$ \Delta P = P_1 - P_2 $$

Question 16

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

Accepted Answer

Generates heat that maintains body temperature

Question 17

Which body cavity contains the stomach, spleen, pancreas, and most of the large intestine?

Accepted Answer

Abdominal cavity

Question 18

Which of the following is an example of cell-to-cell communication in physiology?

Accepted Answer

A nerve cell releases chemical messengers that trigger a response in a muscle cell.

Question 19

Which organ system is responsible for producing hormones that regulate long-term changes in other organ systems?

Accepted Answer

Endocrine system

Question 20

A blood clot forms rapidly after a vessel injury due to the activation of platelets, which then attract more platelets. What type of feedback loop is this?

Accepted Answer

Positive feedback loop

Introduction to Anatomy and Physiology: Structural Organization and Core Principles

Study Guide - Practice Questions

Study Guide - Flashcards