Chapter 21 Flashcards
What is the chemical name of a drug?
The first name when a drug is developed - identifies the actual chemical structure
What is the generic name of a drug?
Name given when the drug becomes commercially available - simpler name derived from the chemical name
What is another name for generic name?
Nonproprietary name
What is a trade name/brand name?
Names given to drugs to specify that drug is made by a specific company
Examples of trade names?
Motrin and Advil
What are other ways to classify drugs?
By action or legal classification
Drugs that are grouped together because they relieve pain are called:
Analgesics
How are drugs classified according to the law?
Prescription and non-prescription
What are examples of non-prescription drugs?
Vitamins, dietary supplements
What is the most common dosage form?
Tablet
Characteristics of tablets
Can be enteric coated or scored
Some may be extended release
Characteristics of capsules
Can be powdered or liquid drug contained in a gelatin shell
What is inhalation dosage used for?
Local or systemic effects
Local - Asthema or COPD
Systemic - General anesthesia
Characteristics of a solution dosage?
One or more drugs dissolved on liquid carrier.
Rapidly absorbed
Administered orally or parenterally
Characteristics of suspension dosage?
One or more drugs in small particles are suspended in liquid carrier
Not water soluble - should be shaken before administered
Should not be administered intravenously
Characteristics of Transdermal patch?
Applied to skin surface and absorbed into the blood stream
Releases drug over time
Metals in patch can overheat in MRI
Can a patient be prescribed 2 different action classification of drugs for same symptom?
Yes.
What are analgesics?
Drugs that releive pain without causing loss of consiousness
What are the two categories of Analgesics?
Opioids (narcotic)
Non-opioids (non-narctoric)
What are examples of Opioids and their side effects?
Morphine and Demerol
Nausea, vomitting, consitipation
Possible physiological dependency
What are examples of Non-opioids?
Tylenol
Relationship between opioids and addiction
Addiction is not common with long term opioid use
What are anesthetics?
Act on the CNC to produce a loss of sensation
Two types of anesthetics?
General and Local
Examples of general anesthetics?
Ether
Pentothal
How does local anesthetic work?
Block nerve conduction to that part of the body
Examples of local anesthetics?
Novocain, lidocaine
How is general anesthetics administered?
Inhalation or IV
When is general anesthetics used?
Major surgery
Side effects of local anesthetic?
Irregular heartbeat, difficulty breathing or death
How do anti-anxiety medications work?
Act on CNS to clam patient
What are examples of anti-anxiety agents?
Valium and Ativan
Versed - pre-op drug
Xanax
What are antiarrhythymics?
Used to treat heart arrythmias
What is an example of an antiarrhythymic?
Cordorone
What are antibiotics used for?
To destory or inhbit growth of microorganisms
What are the two kinds of antibiotics?
Broad spectrum
Narrow spectrum
What is broad spectrum effective against?
Large number of microorganisms
What is narrow spectrum effective against?
Small number of microorganisms
What is an example of board spectrum antibiotics?
Z-pak, Cirpo
What is an example of narrow spectrum antibiotics?
Penicillin and Erythromyacin
How do Anticholinergic (anti-spasmatic) agents work?
Reduce smooth muscle tone, motility of GI tract, and secretions of respiratory tract secretory glands
Side effects of anticholinergics?
Dry mouth
Rapid heartbeat
Delirium
What are examples of anticholinergics?
Atropine
When is Atropine used?
Pre-op to inhibit secretions and prevent bradycardia
What do anticoagulants do?
Slow down the coagulation time of blood (prevents blood clots)
What are anticoagulants used for?
Prevent thromboembolic disorders
Examples of anticoagulants?
Heparin
Coumadin
During what exam is Heparin used for?
Angiography, so catheter does not collect blood clots on it when placed in vessel
How is Heparin administered?
Invravenously - should not be intramuscular because it can cause a hematoma
What is Coumadin?
Oral anti-coagulant
Side effect of Heparin?
Too much can cause internal bleeding and hemorraging