Chapter 15 Pharmacology for the Radiographer Flashcards Preview

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Flashcards in Chapter 15 Pharmacology for the Radiographer Deck (21):
1

Drugs that must bear the legend "caution: federal law prohibits dispensing without prescription" include the following:

Hypnotics and narcotics

2

Alternative dietary and herbal supplements are classified as food, not drugs.

True

3

Define drug dependence and drug addiction.

reliance of a drug from psychological or physiologic reasons

4

The alternative name for Valium is diazepam. Valium is:

trade name

5

Drugs given by mouth are generally given in larger doses. This is because:

absorb more slowly

6

For a drug to reach its therapeutic effect more quickly, a physician might order:

A larger initial dose, and later smaller doses

7

Marjorie Merriweather takes oral morphine for chronic pain. After taking the prescribed dosage for 2 weeks, she notices that it no longer seems to be controlling the pain. This reaction is called:

tolerance

8

Drug absorption varies from person to person. The efficiency of drug absorption is largely dependent on:

The absorptive surface available

9

Drugs given orally are not affected by the first-pass effect.

False

10

Factors that may influence the effect of a drug are:

A) Age and weight
B) Sex and time of day
C) Medication history and the patient’s temperament

11

The method of drug action on living tissues

pharmacodynamics

12

The process by which the body alters the chemical structure of a drug

metabolism

13

Unintended but nontoxic effect of a drug

side effect

14

Contrast agents are categorized as drugs. This is because they are absorbed into the systemic circulation and may produce a physiologic response on the body.

True

15

The physiologic effect of a contrast agent on the patient’s body that may create an adverse reaction when administered is due to:

Its high viscosity, which prompts a sudden shift in body fluid from the interstitial spaces and cells into the systemic circulation

16

Expected side effects of contrast agents administered by intravascular route are:

A) Feeling of warmth and flushning

C) Metallic taste in mouth

17

A patient is receiving an intravenous contrast agent by bolus intravenous injection. The patient begins to complain of nausea, itching around his eyes, feeling dizzy, and a headache. The radiographer decides the patient is having:

Mild adverse reaction

18

If coldness and swelling at the site of an intrvenous infusion are observed, the radiographer must:

Stop the infusion and apply cold or warm compresses

19

The time it takes for a 50% decrease of a drug's presence in body

Half-life

20

The removal from the body

Clearance rate

21

The effect of a drug that may be life-threatening

Adverse effect