Question 1

Heavy metals act by binding to the -SH groups on enzymes,which makes the enzymes inactive.

Accepted Answer

A) True 
 B)False

Question 2

The sulfur-containing amino acid cysteine is oxidized to

Accepted Answer

A) cysteic acid. 
B) cysteic sulfoxide. 
C) a sulfoxide-carboxylic acid. 
D) an amide. 
A) cysteic acid. 
B) cysteic sulfoxide. 
C) a sulfoxide-carboxylic acid. 
D) an amide.

Question 3

People with Alzheimer's disease are deficient in ________.

Accepted Answer

The answer of People with Alzheimer's disease are deficient in...

Question 4

An example of an alkaloid is

Accepted Answer

A) estradiol. 
B) acetic acid. 
C) methionine. 
D) caffeine. 
A) estradiol. 
B) acetic acid. 
C) methionine. 
D) caffeine.

Question 5

Strong acids and bases can catalyze the hydrolysis of proteins.

Accepted Answer

A) True 
 B)False

Question 6

The "gold standard" for testing chemical toxicity is laboratory rats and mice.Which of the following is NOT a disadvantage of testing with rodents?

Accepted Answer

A) Rodent studies are expensive. 
B) Rodents have metabolic or physiological differences so the results may not apply to humans. 
C) Rodent studies have often involved unrealistically high exposures to the substances being tested. 
D) Rodent studies are relatively fast to carry out. 
A) Rodent studies are expensive. 
B) Rodents have metabolic or physiological differences so the results may not apply to humans. 
C) Rodent studies have often involved unrealistically high exposures to the substances being tested. 
D) Rodent studies are relatively fast to carry out.

Question 7

Toxicology is the study of ________.

Accepted Answer

The answer of Toxicology is the study of ________....

Question 8

An alkaloid is a(n)

Accepted Answer

A) carcinogen that is made by plants. 
B) heterocyclic amine that is occurs naturally in plants. 
C) air pollutant. 
D) polycyclic aromatic hydrocarbon. 
A) carcinogen that is made by plants. 
B) heterocyclic amine that is occurs naturally in plants. 
C) air pollutant. 
D) polycyclic aromatic hydrocarbon.

Question 9

Which of the following metals is more hazardous in the vapor state?

Accepted Answer

A) lead 
B) barium 
C) mercury 
D) cadmium 
A) lead 
B) barium 
C) mercury 
D) cadmium

Question 10

Lead is used in

Accepted Answer

A) paint. 
B) some gasolines. 
C) plumbing fixtures. 
D) Lead is used in all of the above. 
A) paint. 
B) some gasolines. 
C) plumbing fixtures. 
D) Lead is used in all of the above.

Question 11

The LD₅₀ value is the amount of a substance that will kill 50% of test animals.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following amino acids undergoes oxidation in the presence of photochemical smog?

Accepted Answer

A) tryptophan 
B) glycine 
C) leucine 
D) threonine 
A) tryptophan 
B) glycine 
C) leucine 
D) threonine

Question 13

Which of the following will have anticarcinogenic activity?

Accepted Answer

A) aromatic amines, such as β-naphthylamine 
B) oncogenes 
C) vitamin C, vitamin E, and β-carotene 
D) polycyclic aromatic hydrocarbons, such as 3,4-benzopyrene 
A) aromatic amines, such as β-naphthylamine 
B) oncogenes 
C) vitamin C, vitamin E, and β-carotene 
D) polycyclic aromatic hydrocarbons, such as 3,4-benzopyrene

Question 14

The antidote for mercury poisoning is

Accepted Answer

A) atropine. 
B) nicotine. 
C) BAL. 
D) coniine. 
A) atropine. 
B) nicotine. 
C) BAL. 
D) coniine.

Question 15

Name the poison in rosary pea seeds.

Accepted Answer

The answer of Name the poison in rosary pea seeds....

Question 16

The human body can eliminate half of a dose of mercury poisoning in ________ days.

Accepted Answer

A) 1 
B) 100 
C) 70 
D) 365 
A) 1 
B) 100 
C) 70 
D) 365

Question 17

The carcinogenic hydrocarbons produced during the incomplete burning of organic materials are known as

Accepted Answer

A) aromatic hydrocarbons. 
B) styrene. 
C) polycyclic aromatic hydrocarbons. 
D) cycloalkanes. 
A) aromatic hydrocarbons. 
B) styrene. 
C) polycyclic aromatic hydrocarbons. 
D) cycloalkanes.

Question 18

Genetics are a leading cause of death from cancer.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following corrosive toxins is also called an oxidizing agent?

Accepted Answer

A) nitric acid 
B) hydrochloric acid 
C) sodium hydroxide (lye) 
D) ozone 
A) nitric acid 
B) hydrochloric acid 
C) sodium hydroxide (lye) 
D) ozone

Question 20

The study of the effects of poisons,their detection and identification and their antidotes is known as

Accepted Answer

A) alkaloidism. 
B) carcinogenic testing. 
C) berylliosis. 
D) toxicology. 
A) alkaloidism. 
B) carcinogenic testing. 
C) berylliosis. 
D) toxicology.

Exam 22: Poisons

Heavy metals act by binding to the -SH groups on enzymes,which makes the enzymes inactive.

The sulfur-containing amino acid cysteine is oxidized to

People with Alzheimer's disease are deficient in ________.

An example of an alkaloid is

Strong acids and bases can catalyze the hydrolysis of proteins.

The "gold standard" for testing chemical toxicity is laboratory rats and mice.Which of the following is NOT a disadvantage of testing with rodents?

Toxicology is the study of ________.

An alkaloid is a(n)

Which of the following metals is more hazardous in the vapor state?

Lead is used in

The LD₅₀ value is the amount of a substance that will kill 50% of test animals.

Which of the following amino acids undergoes oxidation in the presence of photochemical smog?

Which of the following will have anticarcinogenic activity?

The antidote for mercury poisoning is

Name the poison in rosary pea seeds.

The human body can eliminate half of a dose of mercury poisoning in ________ days.

The carcinogenic hydrocarbons produced during the incomplete burning of organic materials are known as

Genetics are a leading cause of death from cancer.

Which of the following corrosive toxins is also called an oxidizing agent?

The study of the effects of poisons,their detection and identification and their antidotes is known as

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