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NUR 242 Exam One Galen College Of Nursing -Question and answers 100% correct

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NUR 242 Exam One Galen College Of Nursing -Question and answers 100% correct NUR 242 Exam One What is pharmacology? - correct answer study of drugs that alter functions of living organisms what is pharmacokinetics? - correct answer the study of how the drugs move within the body to reac...

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  • October 22, 2024
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  • 2024/2025
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  • Questions & answers

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NUR 242 Exam One
What is pharmacology? - correct answer ✔study of drugs that alter functions
of living organisms


what is pharmacokinetics? - correct answer ✔the study of how the drugs
move within the body to reach sites of action, metabolism, and excretion


What is absorption? - correct answer ✔the process that occurs from the time
the drug enters the bloodstream. Onset of drug action is determined by rate.


What factors affect rate and extent of drug absorption? SATA - correct
answer ✔dosage, form, route
admin site blood flow, GI function
presence of food, other drugs


What is distribution? - correct answer ✔transport of drugs in the body


What carries drugs and where to? - correct answer ✔blood and tissue fluids
to action sites, metabolism sites, excretion sites


What affects distribution? - correct answer ✔protein binding: drugs bind to
act as carriers
blood-brain barrier: extremely small to cross
pregnancy - placenta
lactation - many drugs enter the breast milk

, what is metabolism? - correct answer ✔the way the drugs are inactivated by
the body (cytochrome P-450 enzyme pathway)


what are drugs changed to when metabolized? - correct answer ✔inactive
metabolites
active metabolites
pro drugs - drugs that are inactive until metabolized


where are drug metabolizing enzymes located - correct answer ✔kidney,
liver, RBCs, plasma, lungs, GI mucosa


What are factors that affect metabolism? - correct answer ✔enzyme
induction - chronic administration promotes the liver to produce larger
amounts of the enzyme and accelerates metabolism
enzyme inhibition that occurs when two drugs are being given at the same
time that utilize the same enzyme


what is excretin - correct answer ✔elimination from the body


what is the margin of safety for a drug? - correct answer ✔therapeutic index
of the drug


what is required for excretion? - correct answer ✔adequate function of the
circulatory system, kidneys bowel, lungs, and skin


what is polypharmacy? - correct answer ✔taking multiple drugs; puts
individuals at risk for drug interactions

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