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NURS 5334 - M1
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PHARMACOLOGY Verified 2024
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Questions and Answers 100%
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Correct Guaranteed PASS
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Prescriptive Authority - ANSWER legal route to prescribe independently and without
limitation
Parts of a prescription - ANSWER - prescriber name
- license number
- contact information
, - DEA number (prescriber and supervising)
- patient name
- DOB
- allergies
- name of medication
- indication
- strength
- frequency
- signature
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SIG - ANSWER "let it be labeled"; instructions for the prescription
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Pharmacokinetics - ANSWER the study of the drug movement throughout the body
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Ways for drugs to cross the cell membrane - ANSWER 1. Channels
2. Pore transport systems - P-glycoprotein system
3. Direct penetration
Absorption - ANSWER the drug's movement from the site of administration into the
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blood
Factors that affect absorption: - ANSWER rate of dissolution, surface area, blood
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flow, lipid solubility, pH partitioning
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pH partitioning or ion trapping - ANSWER drug molecules tend to accumulate on the
side of the membrane where pH most favors ionization - i.e. Acidic drugs accumulate on
the alkaline side, and basic drugs accumulate on the acidic side
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Distribution - ANSWER the drug's movement from the blood into the interstitial
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space of tissues and from there into the cells
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Factors that affect distribution: - ANSWER circulation, membrane permeability,
protein binding
Metabolism (biotransformation) - ANSWER enzymatically mediated alteration of
drug structure
Substrate - ANSWER drugs that are metabolized by the P450 hepatic enzymes
Inducer - ANSWER increase the rate of metabolism