Question 1

Which of the following best explains why chemistry is fundamental to the study of Anatomy & Physiology?

Accepted Answer

Because all physiological processes are governed by chemical reactions at the molecular level.

Question 2

Which of the following is NOT a state of matter found in the human body?

Accepted Answer

Plasma

Question 3

An atom of sodium (Na) loses one electron to become Na$^+$. What type of particle is Na$^+$?

Accepted Answer

A cation

Question 4

Which of the following best describes an ionic bond?

Accepted Answer

A bond formed when electrons are transferred from one atom to another, resulting in attraction between oppositely charged ions.

Question 5

Which chemical reaction type is represented by the equation $AB \rightarrow A + B$?

Accepted Answer

Decomposition

Question 6

A solution of NaCl in water is best described as which type of mixture?

Accepted Answer

A solution

Question 7

Which of the following is a characteristic of organic compounds?

Accepted Answer

They always contain carbon and usually hydrogen.

Question 8

Which of the following is a monosaccharide?

Accepted Answer

Glucose

Question 9

Lipids are characterized by which of the following properties?

Accepted Answer

They are mostly insoluble in water and contain more carbon and hydrogen than oxygen.

Question 10

Which of the following is the major component of cell membranes?

Accepted Answer

Phospholipids

Question 11

Which of the following statements about DNA is correct?

Accepted Answer

DNA is double-stranded and contains the bases A, T, C, and G.

Question 12

Which of the following best describes a hydrogen bond?

Accepted Answer

A weak attraction between the positive end of one polar molecule and the negative end of another polar molecule.

Question 13

Which of the following is the correct molecular formula for glucose?

Accepted Answer

$C_6H_{12}O_6$

Question 14

A patient is given a solution containing large particles that settle out over time. What type of mixture is this?

Accepted Answer

Suspension

Question 15

Which of the following is true about nucleic acids?

Accepted Answer

They are composed of nucleotides containing a pentose sugar, a nitrogen base, and a phosphate group.

Question 16

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

Accepted Answer

$2H_2 + O_2 \rightarrow 2H_2O$

Question 17

Which of the following best describes the difference between a molecule and a compound?

Accepted Answer

A molecule is two or more atoms bonded together; a compound is a molecule made of different elements.

Question 18

Which of the following is a disaccharide?

Accepted Answer

Sucrose

Question 19

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

Accepted Answer

ATP serves as the primary energy currency, providing energy for cellular processes.

Question 20

A chemical reaction in which the products can change back into the reactants is called:

Accepted Answer

A reversible reaction

Chemistry Foundations for Anatomy & Physiology

Study Guide - Practice Questions