unit IV Flashcards
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Constitutes that make the drugs molecular structure
Chemical name
Trademark
Registered name assigned by manufacturer
Brand name
Name listed in FDA publications
Official name
What schedule of medication has to be kept in a locked drawer?
Schedule II
What schedule of medication is over the counter ?
Schedule V
Who determine the safety & efficacy of drugs?
FDA
Food drug & cosmetic act
Is the absorption, distribution, metabolism & excretion of drugs
Pharmacokinetics
Official list of drugs including source, properties, storage, doses etc
USP
United states pharmacopeia
Which Act categorizes controlled substances limits?
Comprehensive drug abuse prevention & control Act
A schedule I drug is?
A high abuse potential
Ex. LSD, cocaine
A substance administered for the diagnosis, cure, treatment or relief of a symptom or prevention of disease also called a drug
Medication
What’s the first step in pharmacokinetics
Absorption
Most absorption happens where?
GI Tracy
Intravenous absorption is ——-? And subcutaneous absorption is—–?
Iv - fast
Sub q- slow
What is the 2 nd step in pharmacokinetics?
Distribution
What is the 3rd step in pharmacokinetics
Metabolism
What is the 4th step in pharmacokinetics, & where does it normally take place
Excretion
Mostly excreted in urine
Therapeutic effect
The desired effect
Side effect
The secondary or unintended effect
When the level of drug is too high for the body it causes adverse effects
Drug toxicity
Immunologic reaction to a drug, body is exposed to a foreign substance and produced antibodies
Drug allergy
Body requires more of a drug for a therapeutic effect
Drug tolerance
Alters effect of one or both drugs potentiating or inhibiting effect
Drug interaction
What is the most common, safest and least expensive route for medication
Oral
Rout of Rx that goes under tounge, local, bypasses liver
Sublingual
Route of administering Rx that is given by needle
Parenteral
Route of administering RX that is local, skin, cavities
Topical
Route of administering RX through the respiratory tract
Inhalation
Route of administering RX to the cheek
Buccal
If you have a STAT Rx to administer you have how much time to administer?
20 minutes
Where do you chart Rx when giving to the pt?
At the bedside
Check medication how many times before giving Rx?
3 times
All med errors are reported when?
Right away and regardless of potential hazzards
Name the types of parenteral medication sites
ID- intradermis
IM-intramuscular
SUB Q-subcutaneous
IV-intravenous
When doing a parenteral medication you must make sure to use a
Sterile technique
Aseptic
What are advantages to the parenteral technique
Rapid absorption
Can be used in emergencies
Desired dose is more accurate
Prevents gastric irritation
What are some disadvantages of the parenteral technique
Aseptic technique
Painful
Possible tissue damage
Once injected its impossible to retrieve
What part of a syringe has to stay sterile
The hub or tip
Glass container that holds Rx
Amble
Small glass or plastic bottle with sealed rubber top
Vial
Intradermis injections
Into skin
Used for diagnostic testing allergy TB vaccinations
Slowest absorption rate
Max Amt of drug 0.5 ml
Subcutaneous injection
Loose connective tissue below dermis
Heparin & insulin
Slow absorption
Intramuscular injections
Deposited Rx deep in muscle tissue
Quick absorption
Inject slowly
Prevents leakage or tracking into subcutaneous tissue
Z track IM injection
NG tube
Inserted into the nasopharynx placed for feeding or emptying gastric content
PEG tube
Surgically placed in stomach
Route for Rx and nutrients
Contraindications for oral Rx
Nausea Vomiting Dysphagia NPO Unconscious
Powdered medication and other substances compressed into hard disks
Tablet
Delays absorption until drug reaches stomach
Enteric coated tablet
Contains flavoring sweetners to enhance taste when chewed
Chewable tablets
Dosage allows for disintegration in solution
Effervescent tablets
Rx that is released and absorbed gradually in stages
Time released tablets
Solid dose form of powder, liquid or oil
Capsule
Flat, round dosage form containing drug flavored sugar and mucilage
Lozenges or troche
Sugar & water solution to which flavor is added
Syrups
Liquid preps that given orally, parentally or externally
Solution
Liquid & solid mixture in which solid particles are not dissolved
Suspension
Mixture of oil & water with agents that keep droplets suspended
Emulsions
Med dissolved in alcohol & water
Elixirs
Rx applied locally to skin, mucous membranes, or tissue membranes
Topical medications
Aural
Ear
Ocular
Eye
Topical Rx is absorbed
Absorbed through epidermis to dermis
Disadvantages of topical application
Precise dosing difficult
Absorption varies
Staining of skin, clothes
Semisolid fat, oil, wax or water base
Ointment
What is the most effective topical Rx
Ointment
Washing out of body cavity by stream of water or other fluid that may be medicated
Lavage
Adhesive patch disk or measured ointment applied to skin
Transdermal patch
1 ml = ? Minims
15-16 minims
1ml = ? Drops
15 drops (gtts)
1fluid dram = ? ml
4 ml
1ounce= ? ml
30 ml
1 grain = ? mg
60-65 mg
1 teaspoon = ? ml
5ml
1tablespoon = ? ml
15ml
1mg = ? mcg
1000 mcg
1gm = ? mg
1000mg
1kg= ? gm & ? lbs
1000gm
2.2lbs
1liter= ? ml
1000 ml
1cm = ? mm
10mm
1inch = ? cm
2.5 cm
1pound = ? Ounces
16 ounces
Name assigned by manufacturer before drug becomes official
Generic name