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Questions and Answers
The half-life of a drug is dependent on the dosing frequency of the medication.
False
A drug with a short half-life will remain in the body for extended periods after the medication has been stopped.
False
If a drug has a half-life of 15 minutes, then 75 mg of the drug will remain in the body 15 minutes after a 100 mg dose.
False
Drugs with long half-lives require more frequent dosing.
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A full medical history, including recently stopped medications, is important to have because of potential interactions with newly prescribed medications.
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If a drug has a half-life of 15 minutes, then 3.125 mg of the drug will remain in the body 1 hour after a 100 mg dose.
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Schedule II drugs have a low risk of addiction
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Vicodin is a Schedule III drug
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Ketamine is a Schedule II drug
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Schedule IV drugs have a high risk of misuse
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Lomotil is a Schedule IV drug
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Pharmacodynamics is the study of the effects of the body on drugs.
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Pilocarpine stimulates the heart, resulting in an increased heart rate.
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Schedule I drugs have a low potential for abuse.
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Methaqualone is classified as a Schedule II drug.
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Drugs classified as Schedule II have a lower potential for abuse than Schedule I drugs.
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Cytotoxic action is a type of replacement action.
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