types of drugs - Sheet1 Flashcards

1
Q

Do OTC medications require authorization from a healthcare provider?

A

No, patients can treat themselves.

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2
Q

What must patients do when using OTC medications?

A

Carefully follow directions.

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3
Q

Does OTC medication require monitoring from a healthcare provider?

A

No.

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4
Q

How much does the average US household spend on OTC medications annually?

A

$400 per year.

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5
Q

How many OTC medications are typically in a US medicine cabinet?

A

24 OTC medications.

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6
Q

What percentage of people take at least one OTC drug every two days?

A

0.4

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7
Q

Why are OTC drugs a common first step in treatment?

A

They allow self-treatment and are usually appropriate for initial care.

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8
Q

Are herbal and dietary supplements considered drugs?

A

No, they are not classified as drugs.

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9
Q

Are herbal and dietary supplements regulated by the FDA for safety?

A

No, they are not subjected to the same regulatory process.

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10
Q

Can herbal supplements cause side effects or interact with medications?

A

Yes, they can.

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11
Q

What are drug schedules used for?

A

To categorize drugs with potential for abuse.

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12
Q

How are drugs with abuse potential regulated?

A

Their sale and distribution are highly regulated.

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13
Q

What is Schedule I?

A

Drugs with high abuse potential and no approved medical use.

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14
Q

What is Schedule II?

A

Drugs with high potential for abuse and dependence, such as oxycodone, amphetamines, and cocaine.

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15
Q

What are Schedules III-V?

A

Drugs with potential for abuse and dependence, such as opioids and barbiturates.

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16
Q

What is pharmacokinetics?

A

The study of a drug’s movement in the body (ADME).

17
Q

What does ADME stand for in pharmacokinetics?

A

Absorption, Distribution, Metabolism, Excretion.

18
Q

What are the three ways drugs cross cell membranes?

A
  1. Channels and pores, 2. Transport systems (e.g., P-glycoprotein), 3. Direct penetration of the membrane.
19
Q

How do most drugs cross cell membranes?

A

By direct penetration.

20
Q

Why must drugs be lipid-soluble to cross cell membranes?

A

Cell membranes are mostly composed of lipids.

21
Q

What types of drugs are non-lipophilic?

A

Polar molecules and ions.

22
Q

What is ion trapping (pH partitioning)?

A

The process where drugs accumulate on the side of a membrane where the pH favors ionization.