Question 1

An electrolyte ionizes in water.

Accepted Answer

A) True 
 B)False

Question 2

A person with alkalosis has a blood pH less than 7.3.

Accepted Answer

A) True 
 B)False

Question 3

The opposite of a decomposition reaction is a ________ reaction.

Accepted Answer

The answer of The opposite of a decomposition reaction is...

Question 4

Apricots have a pH of 3.8. Therefore, they are ________.

Accepted Answer

The answer of Apricots have a pH of 3.8. Therefore,...

Question 5

The type of chemical bond formed when ions with opposite electrical charges attract is a(n)________ bond.

Accepted Answer

The answer of The type of chemical bond formed when...

Question 6

Amino acids are building blocks of ________.

Accepted Answer

protein
pr

Question 7

Radioactive isotopes have stable nuclei.

Accepted Answer

A) True 
 B)False

Question 8

A patient's blood test shows that their blood pH is 7.29. They are most likely experiencing

Accepted Answer

A) alkalosis. 
B) acidosis. 
C) blood clots. 
D) nothing, their blood pH is normal. 
A) alkalosis. 
B) acidosis. 
C) blood clots. 
D) nothing, their blood pH is normal.

Question 9

The symbol Na+ represents a sodium atom that has lost an electron.

Accepted Answer

A) True 
 B)False

Question 10

Chemistry is important to the study of physiology because

Accepted Answer

A) the foods that we eat are chemicals. 
B) body functions depend on cellular functions that reflect chemical changes. 
C) chemical reactions enable our bodies to extract energy from nutrients. 
D) All of the answer choices are correct. 
A) the foods that we eat are chemicals. 
B) body functions depend on cellular functions that reflect chemical changes. 
C) chemical reactions enable our bodies to extract energy from nutrients. 
D) All of the answer choices are correct.

Question 11

An acid is an electrolyte that releases hydroxide ions (OH⁻)in water.

Accepted Answer

A) True 
 B)False

Question 12

The first electron shell of an atom can hold a maximum of

Accepted Answer

A) 1 electron. 
B) 2 electrons. 
C) 4 electrons. 
D) 8 electrons. 
A) 1 electron. 
B) 2 electrons. 
C) 4 electrons. 
D) 8 electrons.

Question 13

Which of the following is not organic?

Accepted Answer

A) Sodium chloride 
B) Lipids 
C) Nucleic acids 
D) Enzymes 
A) Sodium chloride 
B) Lipids 
C) Nucleic acids 
D) Enzymes

Question 14

Two negatively charged bromide (Br⁻)ions exist in solution. They will be attracted to each other and form an ionic bond.

Accepted Answer

A) True 
 B)False

Question 15

Glycogen is a complex carbohydrate that is obtained by eating plants.

Accepted Answer

A) True 
 B)False

Question 16

A computerized tomography (CT)scan differs from a conventional X-ray image because it is

Accepted Answer

A) two-dimensional. 
B) three-dimensional. 
C) four-dimensional. 
D) safer. 
A) two-dimensional. 
B) three-dimensional. 
C) four-dimensional. 
D) safer.

Question 17

The amino acid sequence of a protein is its ________ structure.

Accepted Answer

The answer of The amino acid sequence of a protein...

Question 18

Which of the following is(are)ionizing radiation?

Accepted Answer

A) Cosmic radiation only 
B) Gamma radiation only 
C) Both cosmic radiation and gamma radiation 
D) Neither cosmic nor gamma radiation 
A) Cosmic radiation only 
B) Gamma radiation only 
C) Both cosmic radiation and gamma radiation 
D) Neither cosmic nor gamma radiation

Question 19

In the body, oxygen

Accepted Answer

A) reacts with water to form carbonic acid. 
B) is used during cellular respiration. 
C) is a major electrolyte. 
D) is produced by cells. 
A) reacts with water to form carbonic acid. 
B) is used during cellular respiration. 
C) is a major electrolyte. 
D) is produced by cells.

Question 20

Consider the following list of commonly found items and their pH values: Baking Soda (8.3), Battery Acid (1.0), Beer (4.2), Bleach (12.8), Butter (6.1-6.4), Coffee (5.0), Egg Whites (7.6-8.0), Grapes (3.5-4.5), Milk of Magnesia (10.6), Tomato (4.0-4.5), Vinegar (2.2), White Bread (5.0-6.0)
Which of the following choices includes all acids?

Accepted Answer

A) Egg whites, baking soda, milk of magnesia, and bleach 
B) Tomatoes, egg whites, and baking soda 
C) Vinegar, grapes, tomatoes, and coffee 
D) Beer, butter, and baking soda 
A) Egg whites, baking soda, milk of magnesia, and bleach 
B) Tomatoes, egg whites, and baking soda 
C) Vinegar, grapes, tomatoes, and coffee 
D) Beer, butter, and baking soda

Exam 2: Chemical Basis of Life

An electrolyte ionizes in water.

A person with alkalosis has a blood pH less than 7.3.

The opposite of a decomposition reaction is a ________ reaction.

Apricots have a pH of 3.8. Therefore, they are ________.

The type of chemical bond formed when ions with opposite electrical charges attract is a(n)________ bond.

Amino acids are building blocks of ________.

Radioactive isotopes have stable nuclei.

A patient's blood test shows that their blood pH is 7.29. They are most likely experiencing

The symbol Na+ represents a sodium atom that has lost an electron.

Chemistry is important to the study of physiology because

An acid is an electrolyte that releases hydroxide ions (OH⁻)in water.

The first electron shell of an atom can hold a maximum of

Which of the following is not organic?

Two negatively charged bromide (Br⁻)ions exist in solution. They will be attracted to each other and form an ionic bond.

Glycogen is a complex carbohydrate that is obtained by eating plants.

A computerized tomography (CT)scan differs from a conventional X-ray image because it is

The amino acid sequence of a protein is its ________ structure.

Which of the following is(are)ionizing radiation?

In the body, oxygen

Introduction to Human Anatomy and Physiology

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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