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Introduction To Pharmacology For NURE 130 Test With Complete Solution
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Introduction To PharmacologyFor NURE 130 Test With
Complete Solution
pharmacology - Answer The science of drugs, their composition, uses, and effects.
Nurses need to have knowledge about the actions and effects of medications.
To safely and accurately administer medications nurses need to have an understanding
of pharmacologic principles.
chemical name - Answer Describes the drug's chemical composition and molecular
structure
Generic name (nonproprietary name) - Answer Name given by the United States
Adopted Names Council
Trade name (proprietary name) - Answer The drug has a registered trademark; use of
the name is restricted by the drug's patent owner (usually the manufacturer)
pharmacological concepts: classification - Answer Classification- Nurses learn to
categorize meds with similar characteristics by their class
Medication classification indicates the effect of the med on the body system, the
symptom the med relieves, or the med's desired effect (e.g. oral hypoglycemic, beta
blockers)
A medication may also be part of more than one class
Aspirin is an analgesic, antipyretic, anti-inflammatory, and anti-platelet agent
forms of medications - Answer Medications are available in a variety of forms and
preparations
The form of the med will determine its route of administration
Composition of med is designed to enhance its absorption & metabolism
Many meds are available in several forms
Pharmacokinetics - Answer The processes of drug absorption, drug distribution, drug
metabolism and drug excretion
Absorption
, Distribution
Metabolism
Excretion
It's important to understand the difference between pharmacokinetics (drug movement)
and pharmacodynamics (drug action)
pharmaceutical phase (I) - Answer disintegration of dosage form; dissolution of drug in
body
pharmacokinetic phase (II) - Answer absorption, distribution, metabolism, excretion
Pharmacodynamic Phase (III) - Answer drug-receptor interaction
The nurse is caring for a client who has diabetes complicated by kidney disease. A
detailed assessment should be done when administering medications because this
client may experience problems with:
A. Absorption
B. Biotransformation
C. Distribution
D. Excretion - Answer excretion
First Pass Effect - Answer The intestinal and hepatic degradation or alteration of a drug
or substance taken by mouth, after absorption, removing some of the active substance
from the blood before it enters the general circulation
A drug given via the oral route may be extensively metabolized by the liver before
reaching the systemic circulation (high first-pass effect)
The same drug—given IV—bypasses the liver, preventing the first-pass effect from
taking place, and more drug reaches the circulation
biological half-life - Answer The time required for half the quantity of a drug or other
substance deposited in a living organism to be metabolized or eliminated by normal
biological processes.
The time required for something to fall to half its original value.
A drug's half-life is used to determine how often a drug must be administered in order to
maintain its therapeutic level.
Onset - Answer the time it takes for the drug to elicit a therapeutic response
peak - Answer The time it takes for a drug to reach its maximum therapeutic response
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