Exam 13: Forensic Toxicology

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)Small sacs in the lungs through whose walls air and other vapors are exchanged between the breath and the blood B)Substance that stops the growth of microorganisms in blood C)A blood vessel that carries blood away from the heart D)A compound capable of accepting a hydrogen ion (H+) E)An individual charged with the responsibility of detecting and identifying the presence of drugs and poisons in body fluids, tissues, and organs F)A compound capable of donating a hydrogen ion (H+)to another compound G)A blood vessel that transports blood toward the heart H)A symbol used to express the basicity or acidity of a substance. A value of 7 is neutral; lower values are acidic; higher values basic. I)Elimination of alcohol from the body in an unchanged state; typically in breath and urine J)The combination of oxygen with other substances to produce new products K)A tiny blood vessel that receives blood from arteries and carries it to veins and across whose walls exchange of materials between the blood and the tissues takes place L)The transformation of a chemical in the body to other chemicals for the purpose of facilitating its elimination from the body M)A substance that prevents the of clotting of the blood N)A detector in which a chemical reaction involving alcohol produces electricity O)The passage of alcohol across the wall of the stomach and small intestine into the bloodstream -Artery

When the blood enters the lungs, it contains very little oxygen and a great deal of carbon dioxide.

The three most widely used screening tests are thin-layer chromatography (TLC), gas chromatography (GC), and liquid chromatography (LC).

The DRE program incorporates standardized methods for examining suspects to determine:

Most alcohol is absorbed into the bloodstream through the walls of the stomach.

The current legal measure of drunk driving in the United States is a blood-alcohol concentration of ________ percent weight/volume.

Few substances enter and completely leave the body in the same chemical state.

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)Small sacs in the lungs through whose walls air and other vapors are exchanged between the breath and the blood B)Substance that stops the growth of microorganisms in blood C)A blood vessel that carries blood away from the heart D)A compound capable of accepting a hydrogen ion (H+) E)An individual charged with the responsibility of detecting and identifying the presence of drugs and poisons in body fluids, tissues, and organs F)A compound capable of donating a hydrogen ion (H+)to another compound G)A blood vessel that transports blood toward the heart H)A symbol used to express the basicity or acidity of a substance. A value of 7 is neutral; lower values are acidic; higher values basic. I)Elimination of alcohol from the body in an unchanged state; typically in breath and urine J)The combination of oxygen with other substances to produce new products K)A tiny blood vessel that receives blood from arteries and carries it to veins and across whose walls exchange of materials between the blood and the tissues takes place L)The transformation of a chemical in the body to other chemicals for the purpose of facilitating its elimination from the body M)A substance that prevents the of clotting of the blood N)A detector in which a chemical reaction involving alcohol produces electricity O)The passage of alcohol across the wall of the stomach and small intestine into the bloodstream -Absorption

What is mouth alcohol and how does it affect the accuracy of a breath test? Name three potential sources of mouth alcohol.

If blood is not available, which of the following can the medical examiner NOT use in order to determine the body's alcohol content to a reasonable degree of accuracy?

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)Small sacs in the lungs through whose walls air and other vapors are exchanged between the breath and the blood B)Substance that stops the growth of microorganisms in blood C)A blood vessel that carries blood away from the heart D)A compound capable of accepting a hydrogen ion (H+) E)An individual charged with the responsibility of detecting and identifying the presence of drugs and poisons in body fluids, tissues, and organs F)A compound capable of donating a hydrogen ion (H+)to another compound G)A blood vessel that transports blood toward the heart H)A symbol used to express the basicity or acidity of a substance. A value of 7 is neutral; lower values are acidic; higher values basic. I)Elimination of alcohol from the body in an unchanged state; typically in breath and urine J)The combination of oxygen with other substances to produce new products K)A tiny blood vessel that receives blood from arteries and carries it to veins and across whose walls exchange of materials between the blood and the tissues takes place L)The transformation of a chemical in the body to other chemicals for the purpose of facilitating its elimination from the body M)A substance that prevents the of clotting of the blood N)A detector in which a chemical reaction involving alcohol produces electricity O)The passage of alcohol across the wall of the stomach and small intestine into the bloodstream -Base

The toxicologist's capabilities are NOT directly dependent on the input from the:

A breath test reflects the alcohol concentration in the:

Of the following, which country has the lowest blood alcohol concentration in determining legal impairment level?

In Western countries, what is/are the most heavily abused drug(s)?

What steps should be employed by a toxicologist in an analytical scheme to look for barbituates in a urine sample? What chemicals or instrumentation should be used at each step?

An anticoagulant should be added to inhibit the growth of microorganisms capable of destroying alcohol.

Lead is not classified as a heavy metal.

List and describe the three stages of alcohol's fate in the human body.

Of the following, which is an acid drug?