Pharm Quiz 1 Flashcards

(38 cards)

1
Q

What is dose response relationship?

A

No response if dose is too low

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2
Q

What is it called when the response plateaus

A

Maximal efficacy or ceiling effect

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3
Q

What is potency

A

The dose that causes a specific response in a specific magnitude

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4
Q

When a drug causes the response at a lower dose it means it is more or less potent ?

A

More potent

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5
Q

What is quantal D-R curve ?

A

Determine dose that causes a specific response in group of subjects and determine drug safety

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6
Q

What two things does quantal Q-R curve measure

A

Median effective dose (ED50)
median toxic dose (TD 50)

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7
Q

What is median effective dose ?

A

Dose that causes beneficial effect in half the sample

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8
Q

What is median toxic dose

A

Dose that causes toxic effect in half the sample

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9
Q

Two analgesic medications are compared and it is found that 10 mg of drug A reduced headache pain by 50% but it takes 60 mg of drug B to cause a similar effect. We conclude that

A

Drug A is more potent

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10
Q

What is ADME

A

Absorption
Distribution
Metabolism
Excretion

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11
Q

What is absorption

A

When the drug must move from sit of administration into another tissue

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12
Q

What are eternal routes of administration

A

Oral
Lingual
Sublingual
Buccal
Rectal

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13
Q

What are parenteral routes of administration

A

Injection
Inhalation
Topical
Transdermal

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14
Q

What is bioavailability

A

The percent of the administered dose that appears in the bloodstream

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15
Q

What is the first pass effect

A

If the drug is administered orally, some is destroyed in the liver

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16
Q

What is drug distribution

A

When the drug crosses membranes and tissues to reach target site

17
Q

What is drug distribution effected by

A

Administration route
Physiocochemical properties
Binding to plasma proteins
Barriers and carriers

18
Q

What are primary drug storage sites

A

Fat, muscle, bone, liver, kidneys

19
Q

What is the primary problem of storage

A

Local tissue damage
Redistribution

20
Q

What is the primary site of metabolism

21
Q

What are phase 1 rxns

A

Oxidation, reduction, hydrolysis

22
Q

What are phase 2 rxns

23
Q

What is the primary sister of excretion

24
Q

What is drug clearance

A

The rate the drug can be removed completely from the body

25
What 2 variables does clearance depend on
Blood flow to the organs Extraction ration
26
When will a drug clear best
If an organ has high blood flow
27
What is half life ?
Amount of time required for 50% of the active form of the drug to be eliminated
28
What is aspirin half life
2-3 hrs
29
T/f: drugs given continuously can maintain a fairly stable level of drug in the blood stream
True
30
T/f: drugs given intermittently will cause leaks and troughs in plasma levels
True
31
Why should a PT take a med history
May be the primary care Dr
32
What are analgesics
Opioids Non opioids
33
What are anti inflammatory agents
NSAIDS Glucocorticoids
34
What do opioids do?
Alter pain perception
35
What are common opioids
Codeine Fentanyl Hydrocodone Oxycodone
36
What are strong agonist opioids
Morphine Meperidine Fentanyl
37
What are moderate agonist opioids
Codeine Oxycodone
38
What are opioid antagonists
Naloxone Naomefene