Final Exam Flashcards
Pharmacokinetics
effect of the body on the drug
Pharmacodynamics
effect of the drug on the body
Half-life
the time taken for blood concentration to decrease 50%
Pharmacokinetics - absorption
- acidity of the stomach
- chemical properties of the drug
- presence of food in GI tract
- route of administration
- first-pass metabolism
Pharmacokinetics - distribution
- protein binding
- blood flow
- chemical properties
Pharmacokinetics - metabolism
occurs in the liver via enzymes
Pharmacokinetics - excretion
primarily through the kidneys
Difference between allergy and adverse drug reaction
allergy - immune reaction to medication
adverse drug reaction - unintended, at normal dose
Schedule I
high abuse potential, no medical use, not safe, illegal, heroin
Schedule II
high abuse potential, accepted medical use, Rx, no refills, oxycodone
Schedule III
low-moderate abuse potential, accepted medical use, Rx, 5 refills, ketamine
Schedule IV
low abuse potential, accepted medical use, Rx, 5 refills, Valium
Schedule V
low abuse potential, accepted medical use, Rx, 5 refills, codeine
What doe HIPAA stand for?
Health Insurance Portability and Accountability Act
What does HIPAA mean in terms of practical application?
protected health information
BID
twice a day
QHS
every night at bedtime
NPO
nothing by mouth
PO
by mouth
PR
through the rectum
PRN
as needed
q
every
q2h
every 2 hours
QID
four times a day
TID
three times a day
IM
intramuscular
IV
intravenous
Generic name
approved name or nonproprietary name
Brand or trade name
specific to manufacturer, protected by trademark
Chemical name
chemical makeup of the drug
Seven rights of drug administration
- right patient
- right dose
- right route
- right drug
- right time
- right technique
- right documentation
Lbs to kg
2.2 lbs = 1 kg
Medication reconciliation
process of obtaining the most accurate list of medications a patient is taking and comparing that list to the patient’s medication orders
Water-soluble vitamins
B and C
Fat-soluble vitamins
A, D, E, K
Deficiency in Folate (B9)
megaloblastic anemia
Deficiency in cyanocobalamin (B12)
megaloblastic anemia
Deficiency in vitamin C
scurvy
Deficiency in vitamin A
night blindness, glare blindness
Deficiency in vitamin D
Rickets (brittle bones)
Deficiency in vitamin E
hemolytic anemia
Deficiency in vitamin K
rare
Dietary sources of vitamin K
green leafy vegetables, liver
Acetaminophen overdose adverse effects
early stages nausea and vomiting
liver failure/death after 2-3 days
Acetaminophen antidote
acetylcysteine (acetadote)
Benzodiazepine overdose adverse effects
CNS depression, coma, respiratory depression
Benzodiazepine antidote
flumazenil
Opioid overdose adverse effects
euphoria, drowsiness, constricted pupils, hypotension, respiratory arrest, coma
Opioid antidote
nalozone
Digoxin overdose adverse effects
nausea, vomiting, visual changes, seizures, arrhythmias
Digoxin antidote
digibind
Warfarin overdose adverse effects
bleeding
Warfarin antidote
vitamin K
Difference between abuse and dependence
abuse - excessive use of a drug without medical justification
dependence - physical condition in which the body has adapted to the presence of a drug. If drug is taken away, withdrawals will occur
What medications for smoking cessation?
nicotine replacement therapy, Chantix, Bupropion
Structure of bacterial cell walls
gram positive - thick layer of peptidoglycan
gram negative - thin layer of peptidoglycan
Structure of fungal cell walls
contain ergosterol
Penicillin common ending
end in -cillin
Penicillin mechanism
interfere with the synthesis of peptidoglycan
Penicillin adverse effects
hypersensitivity, diarrhea, rash
Cephalosporins common beginning
cef beginning of name
Cephalosprorins mechanism
inhibits peptidoglycan
Cephalosprorins adverse effects
hypersensitivity, diarrhea, rashes
Sulfonamides common beginning
sulf at beginning of name
Sulfonamides mechanism
inhibit bacterial folic acid synthesis
Sulfonamides adverse effects
diarrhea, sun sensitivity, kidney stones
Aminoglycosides common ending
-mycin or -micin
Aminoglycosides mechanism
disrupts bacterial protein synthesis
Aminoglycosides adverse effects
ototoxicity, nephrotoxicity, Red man’s syndrome (vancomycin only)
Macrolides common ending
-thromycin
Macrolides mechanism
inhibit bacterial protein synthesis
Macrolides adverse effects
diarrhea
Fluoroquinolones common ending
-floxacin
Fluoroquinolones mechanism
interferes with bacterial DNA synthesis
Fluoroquinolones adverse effects
rash, photosensitivity, cartilage damage in children
Tetracyclines common ending
-cycline
Tetracyclines mechanism
prevents bacterial protein synthesis
Tetracyclines adverse effects
diarrhea, photosensitivity, dark pigmented teeth in children
Azole antifungals common
azole in name
Azole antifungals mechanism
block synthesis of ergosterol
Azole antifungals adverse effects
diarrhea, itching hepatitis
Antivirals common name
vir in name
Cell-mediated immunity
immunity obtained when cells attack the antigens directly rather than producing antibodies
Humoral immunity
immunity based on the antigen-antibody response
What immunization should adults receive? and how often?
influenza vaccine every year
pheumococcal vaccine every 5 years
tetanus and diphtheria booster every 10 years
hepatitis B vaccine for healthcare employees
Herpes Zoster vaccine 50+ years
What reference do you use to look up vaccine schedules?
Pinkbook
Aspirin properties
anti-inflammatory
Acetaminophen properties
analgesic and antipyretic
Opioids properties
analgesic
How is celecoxib different from other NSAIDs
only inhibits COX-2
Mechanism of action of alkylating agents
replace hydrogen in DNA with an alkyl
Mechanism of action of antimetabolites
replace nucleotides to alter DNA structure
Mechanism of action of mitotic inhibitors
inhibit DNA and RNA synthesis
Mechanism of action of antitumor antibiotics
inhibit DNA and RNA synthesis
What phase of the cell cycle do alkylating agents work?
G0
What phase of the cell cycle do antimetabolites work?
S-phase
What phase of the cell cycle do mitotic inhibitors work?
S and M phase
Adverse effects of chemotherapy
hair loss, bone marrow suppression, mucositis, nausea/vomiting
Effects of stimulants
increase alertness, wakefulness, endurance, productivity, motivation, self-confidence, euphoria
Adverse effects of stimulants
raise blood pressure/heart rate, abuse potentials, withdrawal after prolonged use
Effects of benzodiazepine overdose
respiratory depression, coma
Causes of Parkinson’s disease
lack of dopamine in substantia nigra and imbalance of neurotransmitters acetylcholine and dopamine
What do Parkinson’s medications do?
restore neurotransmitter balance
What medication classes treat Parkinson’s disease?
dopaminergics and anticholinergics
Adverse effects of anticholinergic
anxiety, agitation, drowsiness, dry mouth, urine retention, constipation