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Toxicology 7 test

Questions 11 – 13 must be at least 200 words with a reference. Thanks

Question 1

 

The most significant natural source of cyanide is ________.

Answer

		apricots
		peaches
		apples
		cassava

4 points  

Question 2

 

Ethanol is used as an antidote for the treatment of ethylene glycol poisoning because it __________.

Answer

		facilitates the metabolism of ethylene glycol
		blocks the metabolism of ethylene glycol
		increases the detoxication of ethylene glycol
		chelates ethylene glycol

4 points  

Question 3

 

Which of the following has been used as an antidote for cyanide poisoning?

Answer

		lewisite
		dicobalt edetate
		thiocyanate
		iron oxide

4 points  

Question 4

 

What current philosophy is embodied in the concept of the three R's?

Answer

		reduce, reuse and recycle
		replacement, reduction and refinement
		retreatment, replacement and reuse
		recycle, reuse and refinement

4 points  

Question 5

 

Carbon monoxide is poisonous because it _______.

Answer

		binds to cytochrome aa3 in the mitochondria
		causes respiratory alkalosis
		causes a failure of respiration
		forms methemoglobin

4 points  

Question 6

 

Alcohol is a ubiquitous but potentially toxic drug and can cause _______ of the liver.

Answer

		cirrhosis
		Itai - Itai disease
		osteoporosis
		gut flora

4 points  

Question 7

 

The toxicity of cyanide is linked to its binding to __________________ and blocks the movement of electrons down the respiratory chain.

Answer

		methanol
		glycoside
		amygdalin
		cytochrome aa3

4 points  

Question 8

 

Carbon monoxide reacts with the hemoglobin in ________.

Answer

		white blood cells
		red blood cells
		enzymes
		carbohydrates

4 points  

Question 9

 

One of the most common methods for the treatment of poisoning in children is the use of _________ substance to remove the toxicant from the gastrointestinal tract.

Answer

		oxalic acid
		syrup of Ipecachuana (also known as Ipecac in U.S)
		atropine
		ethanol

4 points  

Question 10

 

Which of the four types of epidemiological studies compares individuals who have been exposed and may have developed a disease retrospectively with similar control subjects who have no disease?

Answer

		cohort studies
		case-control studies
		cross-sectional studies
		ecological studies

4 points  

Question 11

 

Discuss and differentiate between sub chronic toxicity testing and chronic toxicity testing.

20 points  

Question 12

 

Discuss how you perceive "risk." What toxicological risks do we experience in our daily lives, sometimes without recognition? What are some behaviors that can result in increased risk and how can we take steps to avoid them?

20 points  

Question 13

 

Identify three common chemicals found in the home and discuss their potential for toxicological poisoning. Include what treatment, if any, is appropriate in these poisoning cases. Please cite a reference source for your response.

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