Any substance -- given in enough quantity-- that can be harmful or deadly.

A substance made by a living cell or organism that is capable of causing a disease.

A substance that will cause death.

What will happen if a person has been previously exposed to a poison and is exposed to it again?

They might be more sensitive or more tolerant to the poison -- it depends on the poison.

They will be more sensitive to the poison.

They will be more tolerant to the poison.

Forensic Toxicology - Introduction | Attempts: 1049

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| By Kwchiro

Kwchiro

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Quizzes Created: 40 | Total Attempts: 389,188

Questions: 7 | Attempts: 1,049 | Updated: Mar 21, 2023

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Questions and Answers

1.

What is a poison?
- A.
  
  A substance made by a living cell or organism that is capable of causing a disease.
- B.
  
  A substance that will cause death.
- C.
  
  Any substance -- given in enough quantity-- that can be harmful or deadly.
Correct Answer
C. Any substance -- given in enough quantity-- that can be harmful or deadly.

Explanation
Toxin is a subset of a poison that is made by a living cell or organism that is capable of causing a disease.
A poison - is any substance -- in enough quantity that can be harmful or deadly.

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2.

What will happen if a person has been previously exposed to a poison and is exposed to it again?
- A.
  
  They will be more sensitive to the poison.
- B.
  
  They will be more tolerant to the poison.
- C.
  
  They might be more sensitive or more tolerant to the poison -- it depends on the poison.
Correct Answer
C. They might be more sensitive or more tolerant to the poison -- it depends on the poison.

Explanation
Depending on the poison, a person can be more sensitive or more tolerant when exposed a second (or more) times to the same poison.

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3.

Check all of the following that apply. Without blood or urine what are some common signs (used by nurses, doctors, law enforcement) that might indicate a person is under the influence of a drug or poison? Choose all that apply.
- A.
  
  Constricted or dilated pupils
- B.
  
  Increase or decrease in blood pressure.
- C.
  
  Increase of decrease in pulse rate.
- D.
  
  Increase or decrease body temerature.
Correct Answer(s)
A. Constricted or dilated pupils
B. Increase or decrease in blood pressure.
C. Increase of decrease in pulse rate.
D. Increase or decrease body temerature.

Explanation
All of the changes mentioned can be signs of a person being affected by a drug or poison.

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4.

What is the lethal dose for a person of 70 kg if they take a poison that is lethal at 0.7 mg/1 kg of body weight.
- A.
  
  70 kg + 0.7 mg/1 kg
- B.
  
  70 kg x 0.7 mg/1 kg
- C.
  
  70 kg divided by 0.7 mg/1 kg
- D.
  
  70 kg x 1 kg
Correct Answer
B. 70 kg x 0.7 mg/1 kg

Explanation
Multiply the mass of the person in kg by the dosage.

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5.

What percentage of inmates is in jail for crimes committed to support a drug habit?
- A.
  
  10%
- B.
  
  25%
- C.
  
  50 50%
- D.
  
  60%
Correct Answer
B. 25%

Explanation
Approximately 1/4 of all inmates are in jail for crimes committed to support a drug habit.
Approximately 1/'2 the evidence needed to be analyzed in the lab are drugs.

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6.

Which drugs are natural (from a plant or fungus)? I: Marijuana II: Cocaine III: Heroin IV: Amphetamines V: Oxycodone
- A.
  
  I, II
- B.
  
  I, II, III
- C.
  
  I, II, III and IV
- D.
  
  I, II, III, IV and V
Correct Answer
A. I, II

Explanation
Natural: Marijuana, cocaine, morphine and codeine.
Semi-synthetic (ingredients must be processed in some way): Heroin and LSD
Synthetic: Barbiturates, amphetamines and oxycodone.

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7.

Which drug category is considered to have no medicinal use with a highest potential for abuse and highest potential for addiction?
- A.
  
  I
- B.
  
  II
- C.
  
  III
- D.
  
  IV
- E.
  
  V
Correct Answer
A. I

Explanation
Group1 has no medicinal use with a highest potential for abuse and highest potential for addiction.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Jul 08, 2018

Quiz Created by
Kwchiro

Forensic Toxicology - Introduction

What is a poison?

What will happen if a person has been previously exposed to a poison and is exposed to it again?

Check all of the following that apply. Without blood or urine what are some common signs (used by nurses, doctors, law enforcement) that might indicate a person is under the influence of a drug or poison? Choose all that apply.

What is the lethal dose for a person of 70 kg if they take a poison that is lethal at 0.7 mg/1 kg of body weight.

What percentage of inmates is in jail for crimes committed to support a drug habit?

Which drugs are natural (from a plant or fungus)? I: Marijuana II: Cocaine III: Heroin IV: Amphetamines V: Oxycodone

Which drug category is considered to have no medicinal use with a highest potential for abuse and highest potential for addiction?