Question 1

Which of the following common kitchen chemicals are toxic at certain concentration or under certain biological conditions?

Accepted Answer

A) table salt 
B) cane sugar 
C) baking soda 
D) All of these can be toxic. 
A) table salt 
B) cane sugar 
C) baking soda 
D) All of these can be toxic.

Question 2

Which of the following has been shown to be involved in roughly 60% of lung cancers?

Accepted Answer

A) aromatic amines 
B) β-carotene 
C) hydroxytoluene (BHT) 
D) P53 gene mutations 
A) aromatic amines 
B) β-carotene 
C) hydroxytoluene (BHT) 
D) P53 gene mutations

Question 3

Which of the following statements best describes the circumstances that lead to chemical tragedies?

Accepted Answer

A) Hazardous and poisonous chemicals should be banned or destroyed so that accidents do not occur. 
B) Most tragedies occur because of misuse of hazardous or poisonous chemicals. 
C) Hazardous and poisonous chemicals cannot be made safe. 
D) The risks of using hazardous chemicals always outweigh the benefits. 
A) Hazardous and poisonous chemicals should be banned or destroyed so that accidents do not occur. 
B) Most tragedies occur because of misuse of hazardous or poisonous chemicals. 
C) Hazardous and poisonous chemicals cannot be made safe. 
D) The risks of using hazardous chemicals always outweigh the benefits.

Question 4

Many oxidizing agents "poison" by

Accepted Answer

A) deactivating enzymes. 
B) hydrolyzing proteins. 
C) breaking down carbohydrates. 
D) reacting with water. 
A) deactivating enzymes. 
B) hydrolyzing proteins. 
C) breaking down carbohydrates. 
D) reacting with water.

Question 5

Phosphorus-based insecticides such as parathion are less toxic than warfare nerve agents such as soman.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is the most hazardous teratogen,in terms of the greatest number of babies affected?

Accepted Answer

A) birth control pills 
B) ethyl alcohol 
C) acetaminophen 
D) heroin 
A) birth control pills 
B) ethyl alcohol 
C) acetaminophen 
D) heroin

Question 7

Which would be classified as a reactive waste?

Accepted Answer

A) hydrogen sulfide 
B) lithium bromide 
C) metal 
D) copper metal 
A) hydrogen sulfide 
B) lithium bromide 
C) metal 
D) copper metal

Question 8

Cyanide acts by blocking the oxidation of glucose in the cell.

Accepted Answer

A) True 
 B)False

Question 9

If a compound is a carcinogen in rats,it will also be a carcinogen for mice.

Accepted Answer

A) True 
 B)False

Question 10

The antidote for poisoning by organophosphorus nerve poisons is

Accepted Answer

A) atropine. 
B) nicotine. 
C) EDTA. 
D) thiosulfate. 
A) atropine. 
B) nicotine. 
C) EDTA. 
D) thiosulfate.

Question 11

Most detoxification of poisons in the body occurs via

Accepted Answer

A) combination with chemicals other than oxygen. 
B) oxidation. 
C) reduction. 
D) direct excretion. 
A) combination with chemicals other than oxygen. 
B) oxidation. 
C) reduction. 
D) direct excretion.

Question 12

The treatment for cyanide poisoning is

Accepted Answer

A) sodium bisulfate. 
B) potassium iodide. 
C) hydrogen iodide. 
D) sodium nitrite. 
A) sodium bisulfate. 
B) potassium iodide. 
C) hydrogen iodide. 
D) sodium nitrite.

Question 13

Lead poisoning affects the

Accepted Answer

A) digestive system. 
B) endocrine system. 
C) reproductive system. 
D) central nervous system. 
A) digestive system. 
B) endocrine system. 
C) reproductive system. 
D) central nervous system.

Question 14

Pb (as Pb²⁺)is

Accepted Answer

A) toxic at all concentrations. 
B) safe at all concentrations. 
C) toxic at high concentrations but not at low concentrations. 
D) toxic to children but not to adults at high concentrations. 
A) toxic at all concentrations. 
B) safe at all concentrations. 
C) toxic at high concentrations but not at low concentrations. 
D) toxic to children but not to adults at high concentrations.

Question 15

Substances that cause birth defects are called

Accepted Answer

A) mutagens. 
B) androgens. 
C) progestins. 
D) teratogens. 
A) mutagens. 
B) androgens. 
C) progestins. 
D) teratogens.

Question 16

The National Academy of Sciences recommends that new,inexpensive and rapid tests that can analyze many compounds for chemical safety be developed.

Accepted Answer

A) True 
 B)False

Question 17

Actylcholinesterase acts to change acetylcholine to

Accepted Answer

A) acetic acid, water and choline. 
B) water and choline. 
C) water and acetic acid. 
D) acetic acid and choline. 
A) acetic acid, water and choline. 
B) water and choline. 
C) water and acetic acid. 
D) acetic acid and choline.

Question 18

Herbicides and insecticides are the only poisons to be found in a garden.

Accepted Answer

A) True 
 B)False

Question 19

The system of liver enzymes that helps to detoxify poisons is called ________.

Accepted Answer

The answer of The system of liver enzymes that helps...

Question 20

The known cause of approximately 30% of all cancers is

Accepted Answer

A) sedentary lifestyle. 
B) obesity. 
C) occupational factors. 
D) prescriptions. 
A) sedentary lifestyle. 
B) obesity. 
C) occupational factors. 
D) prescriptions.

Exam 22: Poisons

Which of the following common kitchen chemicals are toxic at certain concentration or under certain biological conditions?

Which of the following has been shown to be involved in roughly 60% of lung cancers?

Which of the following statements best describes the circumstances that lead to chemical tragedies?

Many oxidizing agents "poison" by

Phosphorus-based insecticides such as parathion are less toxic than warfare nerve agents such as soman.

Which of the following is the most hazardous teratogen,in terms of the greatest number of babies affected?

Which would be classified as a reactive waste?

Cyanide acts by blocking the oxidation of glucose in the cell.

If a compound is a carcinogen in rats,it will also be a carcinogen for mice.

The antidote for poisoning by organophosphorus nerve poisons is

Most detoxification of poisons in the body occurs via

The treatment for cyanide poisoning is

Lead poisoning affects the

Pb (as Pb²⁺)is

Substances that cause birth defects are called

The National Academy of Sciences recommends that new,inexpensive and rapid tests that can analyze many compounds for chemical safety be developed.

Actylcholinesterase acts to change acetylcholine to

Herbicides and insecticides are the only poisons to be found in a garden.

The system of liver enzymes that helps to detoxify poisons is called ________.

The known cause of approximately 30% of all cancers is

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