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NUR 2474 ( LATEST 2024 / 2025 ) PHARMACOLOGY QUIZ 1 | ALL Q&AS BRAND NEW GUARANTEED A+++
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NUR 2474 ( LATEST 2024 / 2025 ) PHARMACOLOGY QUIZ 1 | ALL Q&AS BRAND NEW GUARANTEED A+++
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NUR 2474 Pharmacology Quiz 11. Characteristics of ideal medication
Answer
Effectiveness Safety
Selectivity reversible predictable
easy to administer free from interactions low cost
chemical stability simple generic name
2. What properties of medications need to be considered when prescribed?-
Answer
Pharmacokinetics. Drugs in the same class (or different formulations of the same drug) may
have different bioavailability, dose-concentration curves and half-lives. ... Pharmacodynamics. ...
Therapeutic efficacy and safety ..... Cost-effectiveness.
3. Patient specific variabilities affecting response to medications
Answer
Variation in the response to equivalent drug concentrations arises because of various factors,
such as differences in receptor number and structure, receptor-coupling mech- anisms and
physiological changes in target organs resulting from differences in genetics, age and health.
4. Pharmacodynamics
Answer
what the drug does to the body
5. Pharmacokinetics
Answer
The process by which drugs are absorbed, distributed within the body, metabolized, and
excreted.
, 6. Pharmacotherapeutics
Answer
study of the use of drugs in treating disease
7. Half-life of a drug
Answer
is the time required for one-half of an administered drug to be lost through metabolism and
elimination; different for each drug
8. Routes of medication administration
Answer
oral, mucosal, topical, parenteral
9. Oral Medications negatives
Answer
(1) the layer of epithelial cells that lines the GI tract, and (2) the capillary wall. Because the walls
of the capillaries that serve the GI tract offer no significant resistance to absorption, the major
barrier to absorption is the GI epithelium. To cross this layer of tightly packed cells, drugs must
pass through cells rather than between them. For some drugs, intestinal absorption may be
reduced by PGP, a transporter that can pump certain drugs out of epithelial cells back into the
intestinal lumen.
Absorption Pattern
Because of multiple factors, the rate and extent of drug absorption after oral admin- istration can
be highly variable. Factors that can influence absorption include (1) the solubility and stability of
the drug, (2) gastric and intestinal pH, (3) gastric emptying
time, (4) food in the gut, (5) the coadministration of other drugs, and (6) special coatings on the
drug preparation.
10. benefits of oral route
Answer
•Easy to use
• Easy for self administration
• Wide variety of medications Cost
Reversability
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