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NURA 221 EXAM 1 WITH ALL QUESTIONS AND VERIFIED ANSWERS
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NURA 221 EXAM 1 WITH ALLQUESTIONS AND VERIFIED ANSWERS
Pharmacology
science that studies the effects of drugs within a living system and the effects on
living organisms
What should the nurse always know when administering meds?
- Understand meds before administration
- Know the usual dosage
- Know the proper route of administration
- Know the side effects and adverse reactions
- Know major med interactions
- Apply the nursing processing at all times
nursing process
Assessment
Diagnosis
Planning
Implementation
Evaluation
the 9 rights of med administration
1. Right patient
2. Right drug
3. Right dose
,4. Right time
5. Right route
6. Right pt education
7. Right to refuse
8. Right assessment
9. Right to evaluation
What is the caveat to the nine rights of med administration?
for administration, you must use your clinical reasoning to determine if the
medication should or should not be administered
Drug
any substance used in the diagnosis, cure, treatment, or prevention of a disease or
condition
chemical name of drug
the precise description of the chemical composition and molecular structure.
generic or nonproprietary name of drug
a name the manufacturer often assigns with the approval of the U.S. Adopted Name
Council (USAN).
The generic name is the official name listed in official compendiums (U.S.
Pharmacopeia).
Trade, brand, or proprietary name of drug
drug companies select and copyright a name to market their new drug.
This copyright restricts anyone else from using this same name.
what drug name should healthcare providers use when writing prescriptions?
the generic name
prescription or legend drug
,this medication requires a prescription in order to be dispensed.
non-prescription or over-the-counter (OTC) drug
can be obtained without a prescription.
Some meds can be OTC at lower doses but require a prescription at higher doses.
4 sources of drugs
- Plants
- Animals/humans
- Minerals/mineral products
- Synthetic/chemical substances
how are drugs classified? (10 ways)
- Generic name
- Original trade name
- Drug class
- Major clinical uses
- Mechanism of action
- Main side effects and adverse reactions
- Contraindications
- Precautions
- Significant med interactions
- Any specific nursing actions to be taken before, during & after administration
Why is ongoing education important for nurses when it comes to medications?
- Law requires healthcare professionals to stay current in areas of practice
- Nurses are liable for actions and omissions of duties and duties delegated to
others
, Which scheduled drugs are the most addictive? the least addictive?
- Schedule 1 is highest potential for addiction; no known acceptable clinical use in
this country
- Schedule 5 is lowest potential for addiction
Do medications cause new functions in the body?
Most meds don't cause new functions in the body; they only modify or change
existing functions
Do medications have a single effect or multiple effects?
Meds almost always cause multiple effects/changes; they rarely have a single effect
Pharmaceutics
how the drug works in the body from start to finish
Dissolution
the process by which a drug goes into a solution and becomes available for
absorption into the body
How does dissolution affect medication effects?
The more rapidly this dissolution occurs the more rapidly effects are achieved
Absorption
process of moving drug molecules from entry site into circulation
variables that affect absorption
- Thickness of cell membrane (depends on location)
- Vascular bed within the surface can increase or decrease absorption time
describe the relationship between solubility and absorption
the more soluble the drug, the more rapidly it is absorbed and affects pt
Do meds mixed with oils absorb faster or slower than ones mixed with water?
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