20 Questions
What is the main reason drugs bind to hair follicles?
To avoid detection in drug tests
What is the most effective method for detecting regular drug use over a longer period?
Hair testing
Which type of drug testing is effective for detecting regular drug use over a longer period?
Hair testing
What determines the darkness of hair?
The amount of melanin in hair
Which drug testing method is the only approved one for workplaces covered by federal guidelines?
Urine testing
Which drug testing method is approved for workplaces covered by federal guidelines?
Urine testing
Which drug testing method can detect recent drug use and is efficient for onsite collection?
Saliva testing
Which drug testing method can detect recent drug use and is efficient for onsite collection?
Saliva testing
What is the mnemonic for remembering redox reactions?
LEO says GER
Is cheating on urine tests possible or difficult?
Possible
Which element has 8 oxidation states?
Nitrogen (N
Is hair testing a strong deterrent for drug-using applicants?
Yes
What is oxidation?
The loss of electrons
Is hair testing effective for detecting sporadic drug use?
No
What determines hair texture?
Disulfide bonds in keratin
Which reaction involves an increase in atoms?
Oxidation
What can be used to change hair texture?
Redox reactions
Which reaction involves a decrease in atoms?
Reduction
What is oxidation in redox reactions?
The loss of electrons
What determines hair texture?
Disulfide bonds in keratin
Study Notes
- Drugs bind to melanin in hair follicles.
- The more melanin in hair, the darker it is.
- Hair testing is effective for detecting regular drug use over a longer period.
- Urine testing is the only approved drug testing method for workplaces covered by federal guidelines.
- Saliva testing can detect recent drug use and is efficient for onsite collection.
- Cheating on urine tests is possible but difficult.
- Hair testing is a strong deterrent for drug-using applicants.
- Hair testing is not effective for detecting sporadic drug use.
- Disulfide bonds in keratin determine hair texture.
- Redox reactions can be used to change hair texture.
- Reactions involve breaking and forming bonds.
- LEO says GER is a way to remember redox reactions.
- The oxidation number tracks electrons gained or lost in redox reactions.
- N has 8 oxidation states and O only has one.
- Oxidation is the loss of electrons.
- Reduction is the gain of electrons.
- MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O is an example of a redox reaction.
- Oxidation involves an increase in atoms.
- Reduction involves a decrease in atoms.
- Breaking certain bonds in keratin molecules can impact the structure of hair.
Test your knowledge on hair and drug testing with this informative quiz! From the science behind hair texture to the effectiveness of different drug testing methods, this quiz covers it all. Learn about the role of melanin in drug testing and the benefits and limitations of hair, urine, and saliva testing. Plus, discover the basics of redox reactions and how they impact hair texture. Challenge yourself and expand your knowledge with this engaging hair and drug testing quiz!
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