Pharmacology /NUR 256 (Medication Management) Possible Exam Stuff
NUR 256 (Medication Management) Possible Exam Stuff
This deck covers key concepts in medication management, including drug absorption, distribution, metabolism, excretion, and various classes of laxatives.
Drug absorption
the drug moving from administration into the blood; Exceptions include IV administration
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Key Terms
Term
Definition
Drug absorption
the drug moving from administration into the blood; Exceptions include IV administration
Drug distribution
the process of drugs being sent to various parts of the body
Drug metabolism
the chemical modification of a drug carried out by enzymes
Drug excretion
the final exiting of drugs from the body
Half life –
the amount of time it will take for medication to be at half of its dosage
Plasma concentration
the amount of compound found in a portion of blood
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Term | Definition |
---|---|
Drug absorption | the drug moving from administration into the blood; Exceptions include IV administration |
Drug distribution | the process of drugs being sent to various parts of the body |
Drug metabolism | the chemical modification of a drug carried out by enzymes |
Drug excretion | the final exiting of drugs from the body |
Half life – | the amount of time it will take for medication to be at half of its dosage |
Plasma concentration | the amount of compound found in a portion of blood |
Hepatic first pass | the first time a drugs passes through the liver, this reduces the drugs effect |
Discuss four normal controls of blood pressure | Prescribing calcium channel blocking drugs; Exercise; Limit alcohol; Eat less salt |
What is Gluconeogenis? | The formation of glucose, especially by the liver from carbohydrate sources such as amino acids and the glycerol portion of fats |
What is Glycogenolysis | Breakdown of stored glucose to increase the blood glucose levels |
What are the classes of laxatives? | Bulk-forming laxatives; Hyper-osmolar; Emollient; Stimulant; Lubricant |
What mechanisms do they use? Hyperosmolar | Draws water into the gut causing distension and increases peristalsis |
Bulk forming | Adds to stool mass increasing peristalsis |
Stimulant | Stimulates the intestinal mucosa increasing peristalsis |
Lubricant | Makes stool slippery and prevents water reabsorption |
Emollient | Fat and water transported into the stool, softening it |
What are some of the examples of each class of laxative? Hyper-osmolar | Glycerin; Lactulose (duphulac); Magnesium salt; Sorbitol |
Bulk forming | Psyllium (metamucil); Stercula (normacol); Ispahula (fybogel) |
Emollient | Paraffin (parachoc); Doucsate sodium (coloxyl) |
Stimulant | Bisacodyl; Castor oil; Senna |
Lubricant | Mineral oil |