Question 1

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

Accepted Answer

Anatomy is the study of body parts and their relationships, while physiology is the study of how those parts carry out necessary functions.

Question 2

A patient is unable to regulate their blood pressure due to a malfunction in the feedback loop. Which part of the negative feedback loop is MOST likely impaired if the body cannot respond to changes detected by receptors?

Accepted Answer

Effector

Question 3

Which organ system is primarily responsible for transporting oxygen, carbon dioxide, nutrients, and waste throughout the body?

Accepted Answer

Cardiovascular system

Question 4

A person is exposed to cold temperatures, causing their body temperature to drop. Which feedback mechanism is activated, and what is the sequence of events?

Accepted Answer

Negative feedback; Receptors → Control center → Effectors → Response

Question 5

Which directional term describes a structure that is farther from the origin of a body part or the point of attachment of a limb to the body trunk?

Accepted Answer

Distal

Question 6

If a surgeon makes a cut that divides the body into right and left parts, which plane is being used?

Accepted Answer

Sagittal plane

Question 7

Which cavity contains the heart, and what is the name of the membrane that directly covers the heart?

Accepted Answer

Thoracic cavity; Pericardium

Question 8

A solution in which the solute is evenly distributed throughout the solvent is called:

Accepted Answer

Solution

Question 9

Which of the following best describes a cation?

Accepted Answer

An atom that has lost one or more electrons and has a positive charge

Question 10

Which type of energy is stored in the bonds of chemical substances?

Accepted Answer

Chemical energy

Question 11

A molecule of water is formed by which type of chemical bond, and why is this bond important for life?

Accepted Answer

Covalent bond; it provides stability and allows water to have high heat capacity

Question 12

Which of the following is an example of a synthesis reaction?

Accepted Answer

Combining amino acids to form a protein

Question 13

A patient has a blood pH of 7.2. Which of the following best describes their condition?

Accepted Answer

Acidosis

Question 14

Which subatomic particle carries a negative charge and is found outside the nucleus?

Accepted Answer

Electron

Question 15

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; involved in immunity

Question 16

A patient is experiencing rapid blood loss. Which feedback mechanism is activated to increase blood clotting, and what type of feedback is this?

Accepted Answer

Positive feedback; enhances the original stimulus

Question 17

Which abdominal quadrant contains the liver and gallbladder?

Accepted Answer

Right upper quadrant (RUQ)

Question 18

Which property of water allows the body to maintain a stable internal temperature despite external temperature changes?

Accepted Answer

High heat capacity

Question 19

If a cut is made perfectly on the midline dividing the body into equal right and left halves, which plane is this?

Accepted Answer

Midsagittal plane

Question 20

Which of the following best describes the role of serous fluid in body cavities?

Accepted Answer

It lubricates the surfaces of organs to reduce friction.

Anatomy & Physiology: Foundational Concepts and Systems Overview

Study Guide - Practice Questions

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