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38 Cards in this Set

  • Front
  • Back
Omission error result from what?
Results when a drug is not prescribed, dispended, administred, or taken by a patient appropriately
Commission errors result from what?
Result when a nurse performs the six rights of medication administration.
What form of medication is suspension?
Finely dissolved drug particles in a liquid medium must be shaken. When left standing, particles settle to bottom of container. Not used intravenously.
What form of medication is syrup?
Medication dissolved in a concentrated sugar solution.
What form of medication is tincture?
Alcohol extract from plant or vegetable.
Medication names
1. Chemical name - rarely used.
2. Generic name - a manufacture who first develops a medication, official name that is listed in official publications.
3. Trade name - or brand name is used to market the medication.
Medication forms?
The form of medication determines its route of administration.
What is medication absorption? And factors that incfuence it?
The passage of medication molecules into the blood from the site of administration. Factors that influence the rate of absorption include the administration route, ability of a medication to dissolve, blood flow to the administration site, body surface area and lipid solubility of a medication.
What does the rate and extent of distribution of a drug depends on?
Depends on circulation, cell membrane permeability and protein binding.
What kind of medications does the blood-brain barrier allows through?
Fat-soluble medications can pass into the brain and cerebrospinal fluid.
Medications ability to dissolve?
Solutions and liquid suspensions absorb more readily than tablets or capsules. Acidic meds absorb rapidly, basic meds do not absorb before reaching the small intestine.
How does the blood flow affect the medications ability to dissolve?
Solutions and liquid suspensions absorb more readily then tablets or capsules. Acidic meds absorb rapidly, basic do not absorb before reaching the small intestine.
How does the blood flow affect the medications ability to dissolve?
When the administration site contains a rich blood supply, meds absorb rapidly.
How does the body surface area affect the medications ability to dissolve?
A medication in contact with a large surface are (small intestine) will absorb faster than those in contact with smaller surface area (stomach).
How does the lipid solubility affect the medications ability to absorb?
Medications that are highly lipid soluble absorb more rapidly.
What is biotransformation?
Chemical alteration of a substance, especially of a drug, within the body, as by the action of enzymes that detoxify, degrade (break down) and remove chemically active chemicals. Occurs in the liver, lungs, kidneys, blood and intestines.
What type of medication action is theurapeutic effect?
The intended or desired physiological response of a medication.
Side effects/Adverse effects?
Side effects are oredictable and often unavoidable secondary effects produced at a usual theurapeutic drug dose. Adverse drug effects are unintended, endesirable and often unpredictable.
Toxic effects?
Develop after prolonged intake of a medication, when a medication accumulates in the blood because of impared metabolism or excretion, or when too high dose is given.
Allergic reactions?
Unpredictable responses to a medications. Exposure to an initial dose of a medication causes a patient to become sensitized immunologically. The medication acts as an antigen, which causes antibodies to be produced.
Medication tolerance and dependence?
Decreased physiological response that occurs after repeated administration of a medication. Drug dependence, described in the past as addiction can be physical and psychological.
Medication interactions?
When one medication modifies the action of another medication. The effect is an increase or decrease in the pharmacological action of each medication.
Medication dose responses?
Administration, absorption, distribution, metabolism and excretion.
Serum half-life?
Time it takes for excretion processes to lower the serum medication concentration by half. To maintain a theurapeutic plateau, a patient needs to receive regular fixed doses.
Onset of medication action?
Period of time it takes after you administer a medication for it to produce a theurapeutic effect.
Peak action?
Time it takes for a medication to reach its highest effective peak concentration.
Duration of action?
Length of time during which the medication is present in a concentration great enough to produce a therapeutic effect.
Plateau?
Blood serum concentration reached and maintained after repeated, fixed doses.
What is the topical route of medication administration?
On the skin ( as a cream or patch) and eyedrops / eardrops
What is the suppository route of medication administration?
Into the rectum or vagina.
What is the Intramuscular route of medication administration?
Into the muscle
What is the subcutaneous route of medication administration?
Into the subcutaneous tissue of the skin. It is loose connective tissue underlying the dermis. Not richly supplied with blood vessels as muscles (but contain pain receptors), so meds are absorbed more slowly than with IM injections. Given in small doses - 0.5 to 1 mL. Meds are isotonic, nonirritating, nonviscous and water soluble. Best sites include outer upper arms, abdomen, anterior thighs.
What is the intradermal route of medication administration?
Into the dermis of the skin.
What is intravenous route of medication administration?
Into a vein.
SAFE MEDICATION ADMINISTRATION
1. RIGHT MEDICATION
2. RIGHT DOSE
3. RIGHT PATIENT
4. RIGHT ROUTE
5. RIGHT TIME
6. RIGHT DOCUMENTATION
What do written orders and medication forms need to include?
1. Patient's name
2. Medication name
3. Medication dose
4. Medication route
5. Medication frequency
What is nebulization?
Process of adding medications or moisture to inspired air by mixing particles of various sizes with air.
What is parenteral administration?
Taken into the body or administered in a manner other than through the digestive tract. It instills medications into body tissues and into the circulatory system by injection. Invasive and thus pose a greater risk. Four different routs - subcutaneous, intramusclular, intradermal, intravenous.