Question 1

What do the following have in common: Pb,plumbism,and plumber? All terms refer to

Accepted Answer

A) persons who work with pipes. 
B) toxic effects of a trace element. 
C) toxic cations. 
D) lead. 
A) persons who work with pipes. 
B) toxic effects of a trace element. 
C) toxic cations. 
D) lead. D

Question 2

The ionization of salt (NaCl)

Accepted Answer

A) produces an acid and a base. 
B) produces an electrolyte. 
C) lowers pH. 
D) produces a cation and an anion. 
A) produces an acid and a base. 
B) produces an electrolyte. 
C) lowers pH. 
D) produces a cation and an anion. D

Question 3

Fe²⁺ is formed when iron

Accepted Answer

A) gains 2 protons. 
B) gains 2 electrons. 
C) loses 2 protons. 
D) loses 2 electrons. 
A) gains 2 protons. 
B) gains 2 electrons. 
C) loses 2 protons. 
D) loses 2 electrons. D

Question 4

A solution with a pH of 8

Accepted Answer

A) is more acidic than blood. 
B) is more acidic than stomach contents. 
C) has more H+ than urine. 
D) is more alkaline than blood. 
A) is more acidic than blood. 
B) is more acidic than stomach contents. 
C) has more H+ than urine. 
D) is more alkaline than blood.

Question 5

Which of the following best describes a solution in which alcohol is the solvent?

Accepted Answer

A) Tincture 
B) Alkaline 
C) Acid 
D) Aqueous 
A) Tincture 
B) Alkaline 
C) Acid 
D) Aqueous

Question 6

Intestinal secretions are alkaline.What can decrease its pH?

Accepted Answer

A) The addition of H+ in the form of HCl 
B) Drinking baking soda (NaHCO₃) 
C) Neutralization of gastric (stomach) HCl 
D) Drinking lots of water 
A) The addition of H+ in the form of HCl 
B) Drinking baking soda (NaHCO₃) 
C) Neutralization of gastric (stomach) HCl 
D) Drinking lots of water

Question 7

In which of the following is the number of hydrogen ions greater?

Accepted Answer

A) An alkaline solution 
B) A basic solution 
C) Blood 
D) A solution with a pH of 6.2 
A) An alkaline solution 
B) A basic solution 
C) Blood 
D) A solution with a pH of 6.2

Question 8

An electrolyte

Accepted Answer

A) dissociates into ions. 
B) yields only cations. 
C) always yields H+ and lowers pH. 
D) always removes H+ and increases pH. 
A) dissociates into ions. 
B) yields only cations. 
C) always yields H+ and lowers pH. 
D) always removes H+ and increases pH.

Question 9

Which of the following are located in the orbits surrounding the nucleus?

Accepted Answer

A) Isotopes 
B) Protons 
C) Electrons 
D) Neutrons 
A) Isotopes 
B) Protons 
C) Electrons 
D) Neutrons

Question 10

Which of the following best describes a solution in which water is the solvent?

Accepted Answer

A) Colloidal suspension 
B) Aqueous solution 
C) Tincture 
D) Isotope 
A) Colloidal suspension 
B) Aqueous solution 
C) Tincture 
D) Isotope

Question 11

[H⁺] refers to

Accepted Answer

A) an isotope of hydrogen. 
B) heavy hydrogen. 
C) hydrogen bonding. 
D) hydrogen ion concentration. 
A) an isotope of hydrogen. 
B) heavy hydrogen. 
C) hydrogen bonding. 
D) hydrogen ion concentration.

Question 12

A patient with a blood pH of 7.28

Accepted Answer

A) has an excess of H+. 
B) has a blood pH that is within normal limits. 
C) is alkalotic. 
D) has a blood pH that indicates a deficiency of acid. 
A) has an excess of H+. 
B) has a blood pH that is within normal limits. 
C) is alkalotic. 
D) has a blood pH that indicates a deficiency of acid.

Question 13

What happens when HCl is added to a solution with a pH of 7.45?

Accepted Answer

A) The pH will be higher than 7.45. 
B) The solution will become more alkaline. 
C) The [H+] of the solution will increase. 
D) The pH will be higher than 8.0. 
A) The pH will be higher than 7.45. 
B) The solution will become more alkaline. 
C) The [H+] of the solution will increase. 
D) The pH will be higher than 8.0.

Question 14

Which of the following is most descriptive of ionic and covalent?

Accepted Answer

A) Types of bonding in which the electrons are shared 
B) Types of bonding in which the electrons are swapped 
C) Types of bonding 
D) Types of bonding found only in reactions in which H+ is produced 
A) Types of bonding in which the electrons are shared 
B) Types of bonding in which the electrons are swapped 
C) Types of bonding 
D) Types of bonding found only in reactions in which H+ is produced

Question 15

NaCl,table salt,is called a(n)

Accepted Answer

A) anion. 
B) electrolyte. 
C) cation. 
D) ion. 
A) anion. 
B) electrolyte. 
C) cation. 
D) ion.

Question 16

Which of the following can neutralize H⁺?

Accepted Answer

A) Ca² + 
B) Na+ 
C) OH- 
D) H₂O 
A) Ca² + 
B) Na+ 
C) OH- 
D) H₂O

Question 17

Which of the following is correct about the following reaction: NaCl ↔ Na⁺ + Cl-?

Accepted Answer

A) Neutralization 
B) Ionization 
C) Anabolic 
D) Irreversible 
A) Neutralization 
B) Ionization 
C) Anabolic 
D) Irreversible

Question 18

Which compound is a waste product of cellular metabolism?

Accepted Answer

A) Oxygen 
B) Carbon dioxide 
C) Catalyst 
D) ATP 
A) Oxygen 
B) Carbon dioxide 
C) Catalyst 
D) ATP

Question 19

Blood has a pH range of 7.35 to 7.45 and therefore

Accepted Answer

A) is acidic. 
B) is three to four times more viscous (thicker) than water. 
C) has a pH that is similar to urine and stomach contents. 
D) is alkaline. 
A) is acidic. 
B) is three to four times more viscous (thicker) than water. 
C) has a pH that is similar to urine and stomach contents. 
D) is alkaline.

Question 20

Which of the following is descriptive of the chemical reaction in the previous question?

Accepted Answer

A) Cation + anion → electrolyte 
B) Electrolyte → cation + anion 
C) Electrolyte + anion → cation 
D) Neutralization of an acid by a base 
A) Cation + anion → electrolyte 
B) Electrolyte → cation + anion 
C) Electrolyte + anion → cation 
D) Neutralization of an acid by a base

Exam 2: Basic Chemistry

What do the following have in common: Pb,plumbism,and plumber? All terms refer to

The ionization of salt (NaCl)

Fe²⁺ is formed when iron

A solution with a pH of 8

Which of the following best describes a solution in which alcohol is the solvent?

Intestinal secretions are alkaline.What can decrease its pH?

In which of the following is the number of hydrogen ions greater?

An electrolyte

Which of the following are located in the orbits surrounding the nucleus?

Which of the following best describes a solution in which water is the solvent?

[H⁺] refers to

A patient with a blood pH of 7.28

What happens when HCl is added to a solution with a pH of 7.45?

Which of the following is most descriptive of ionic and covalent?

NaCl,table salt,is called a(n)

Which of the following can neutralize H⁺?

Which of the following is correct about the following reaction: NaCl ↔ Na⁺ + Cl-?

Which compound is a waste product of cellular metabolism?

Blood has a pH range of 7.35 to 7.45 and therefore

Which of the following is descriptive of the chemical reaction in the previous question?

Introduction to the Human Body

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

Filters

Which of the following is correct about the following reaction: NaCl ↔ Na⁺ + Cl^-?