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What is Hypoxia?
- Deprivation of adequate oxygen supply
- Symptoms: anxiety, restlessness, confusion, drowsiness, increased BP with a small pulse, increased RR and Pulse, pallor, cyanosis
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What does a phosphorus restricted diet restrict?
Lean meats and fish.
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What is Pharmacokinetics?
Study of the movement of drugs throughout the body.
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What are the 4 phases of Pharmacokinetics?
Absoprtion, Distribution, Metabolism, and Excretion.
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What is Excretion?
Most important phase of Pharmacokinetics; need to be able to get rid of the drug to avoid an overdose.
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What is Absorption?
Movement of the drug from its site of administration into the blood.
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What is Rate? (Pharmacology)
How soon the drug effects begin.
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What is Amount? (Pharmacology)
The amount of the drug absorbed helps determine how intense the effects will be.
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What is the safest method to administer a drug?
- Enteral.
- Advantages: Convienent, safe, economical.
- Disadvantages: variences in absorption, can be irritating to the GI system
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What is the First Pass Effect?
Some drugs will go through liver and then they are deactivated; disadvantage of oral drugs, can get chemically broken down.
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What is Distribution? (Pharmacology)
- Movement of the drug throughout the body.
- Depends on blood flow and ability of the drug to exit the vascular system.
- Increased vascular system = increased absorption of the drug
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What is Metabolism? (Pharmacology)
- Alteration of a drug structure.
- Almost all metabolism takes place in the liver.
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What is the role of Protein and Albumin in Pharmacokinetics?
- They carry drugs through blood. Bound molecules are inactive; molecules flowing freely through blood cause problems.
- Too many drugs with low protein/albumin are not getting where they need to go and flow freely in the blood, causing confusion and dizziness.
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WHat is the minimum effective concentration?
The minimum drug level needed for a therapeutic response to occur.
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What are the benefits of an IV drip?
Keeps the med administration steady over time so that it never drops out of therapeutic range.
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What does a low Therapeutic Index mean?
There is a small error range before the drug gets toxic.
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What are Peak & Trough Levels?
Max and Min dose to be therapeutic.
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What is a Drug Half-Life?
Time it takes to decrease the amount of the drug by half.
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What is Bioavailability?
Drug time to effect; therapeutically available; when it will work.
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What is Maximal Efficacy?
Largest drug effectiveness; most it will do to help.
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What is Pharmacodynamics?
Study of mechanism of drug actions in living tissues.
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What is a Side Effect?
Action of drug other than what the drug was intended for
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What is Toxic Effect?
Adverse effect caused by excessive dosing
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What is a Idiosyncratic Effect?
Abnormal effect never seen before
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What is a Cumulative Effect?
The drug may have a toxic effect because the drug is not excreting and accumulates.
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What is Hypoventilation?
Decreased rate or depth of air movement into the lungs.
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What is Hyperventilation?
Increased rate or depth of air movement into the lungs.
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What is Fremitus?
Vibration of the chest wall that can be palpated.
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What is Pleural Effusion?
Fluid in the Pleural space
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With Cardiac Arrest, what is the Critical Time?
4-6 minutes before irreversible brain damage
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What is the most concentrated source of Energy?
Fat.
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What Vitamin is essential for Alcoholics?
Vitamin B, because these nutrients are used to metabolize alcohol.
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What is Soy?
A complete plant protein that contains all of the essential amino acids.
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What is Glossitis?
Inflammation of the Tongue
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What is the Summation drug effect?
Get the full effect of both drugs.
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What is the Synergism drug effect?
2 drug combined gives a greater effect than each alone.
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What is the Antagonism drug effect?
One drug ruins the effect of the other drug.
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What is the Interference drug effect?
One drug slows down or speeds up the metabolism or excretion of the other drug
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What is the Displacement drug effect?
Both drugs are competing on the albumin to be carried to the site in the blood, which results in toxicity in the blood.
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What are the body locations for a shot given in the Ventrogluteal location?
Iliac Crest, Anterior superior iliac crest.
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What is Elixir?
A sweetened alcohol solution
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What is the medical use of Cocaine?
Used in nasal surgery to vasoconstrict and minimize bleeding.
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What are the 5 steps of the Nursing Process?
Assessment, Diagnosis, Outcome Identification and Planning, Implementation, and Evaluation.
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What are the reasons for Elderly non-compliance with medications?
- Confusion over schedules and doses
- Forgetfulness
- Toxicity
- Excessive financial expense
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How can diabetes affect wound healing?
- Diabetes causes hemoglobin to have less O2 available to be released to the tissues.
- Vessels are smaller in diabetics, so less O2 is perfused to the tissues.
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What is Dehiscence?
Caused by a strain; wound layers open up.
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What is Evisceration?
Contents of bowels and intestines come out of open wound.
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What is a Fistula?
- A tunnel that forms between two organs or within.
- Abnormal
- Wound heals and patient still complains weeks after surgery
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What are Keloids?
- Complication
- Excessive production of collagen
- Raised Scar
- Often grows back even if repaired
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What is a Perferating Wound?
Object enters all the way through and exits.
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