Question 1

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

Accepted Answer

Anatomy is the study of the structure of body parts, while physiology is the study of their function.

Question 2

A patient is experiencing difficulty breathing after a car accident. Which anatomical landmark would be most useful for a physician to locate the injury?

Accepted Answer

Sternal region

Question 3

Which of the following best explains the relationship between structure and function in the human body?

Accepted Answer

Structure determines function, and function can also influence structure over time.

Question 4

A solution has a hydrogen ion concentration of $$1 	imes 10$$^{-4}$$ M. What is its pH?

Accepted Answer

$$4$$

Question 5

Which of the following best describes the difference between covalent and ionic bonds?

Accepted Answer

Covalent bonds involve the sharing of electrons, while ionic bonds involve the transfer of electrons.

Question 6

A red blood cell is placed in a hypotonic solution. What will happen to the cell?

Accepted Answer

It will swell and may burst due to water entering the cell.

Question 7

Which of the following is a correct example of a negative feedback mechanism in the human body?

Accepted Answer

Regulation of blood glucose by insulin

Question 8

Which plane divides the body into right and left halves?

Accepted Answer

Sagittal plane

Question 9

Which of the following best describes the primary structure of a protein?

Accepted Answer

The sequence of amino acids in a polypeptide chain

Question 10

A patient is given an intravenous solution with an osmolarity of $$400$$ mOsm/L. The patient's blood plasma osmolarity is $$300$$ mOsm/L. What will happen to the patient's red blood cells?

Accepted Answer

They will shrink as water leaves the cells.

Question 11

Which of the following statements about DNA and RNA is correct?

Accepted Answer

DNA contains deoxyribose, while RNA contains ribose.

Question 12

Which of the following best describes the function of ATP in the cell?

Accepted Answer

ATP provides energy for cellular processes.

Question 13

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

Accepted Answer

Release of oxytocin to intensify uterine contractions during childbirth

Question 14

Which of the following best describes the process of osmosis?

Accepted Answer

Movement of water from low solute concentration to high solute concentration across a semipermeable membrane

Question 15

Which of the following best describes the function of enzymes in biological systems?

Accepted Answer

Enzymes speed up chemical reactions by lowering the activation energy.

Question 16

A cell is placed in a solution and begins to swell. Which of the following best describes the solution?

Accepted Answer

Hypotonic

Question 17

Which of the following best describes the difference between saturated and unsaturated fatty acids?

Accepted Answer

Saturated fatty acids have no double bonds, while unsaturated fatty acids have one or more double bonds.

Question 18

Which of the following best describes the function of the plasma membrane according to the fluid mosaic model?

Accepted Answer

It is composed of a phospholipid bilayer with embedded proteins that allow selective permeability.

Question 19

Which of the following best describes the process of facilitated diffusion?

Accepted Answer

Movement of molecules from high to low concentration through a protein channel without energy input

Question 20

Which of the following is a correct statement about the difference between DNA and RNA structure?

Accepted Answer

DNA is usually double-stranded, while RNA is usually single-stranded.

Anatomy & Physiology: Foundational Concepts and Cellular Structure Study Guide

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