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Pharmacology > Exam 1: Adverse Drug Reactions & Pharmacogenetics > Flashcards

Exam 1: Adverse Drug Reactions & Pharmacogenetics Flashcards

1
Q

What are the 2 types of drug effects?

A

1.Theraputic (desireable) 2.Adverse effect/reaction (undesirable)

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2
Q

What are the 2 types of Adverse reactions?

A

1.Side effects and 2.Toxicity reactions

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3
Q

A _______ is an undesired effect, but is tolerated and generally reversible upon drug discontinuation.

A

side effect

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4
Q

Which of our two types of adverse reactions is DOSE RELATED?

A

a side effect (more does = more side effect!)

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5
Q

A _______ is an adverse reaction where permanent cell and tissue damage occurs. It is generally intolerable as well.

A

A TOXICITY reaction

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6
Q

Which of our two types of adverse reactions is almost always associated with OverDose?

A

Toxicity reaction

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7
Q

Incidence of adverse drug reactions are 4th - 6th leading cause of ______.

A

death

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8
Q

_________ is the use of more then 5 medications. Its generally used to describe management of ______ adults.

A

PolyPharmacy…older

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9
Q

The _____ Criteria are 3 lists of medications that pose potential risks outweighing potential benefits for people 65 and older.

A

Beers

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10
Q

The FDA requires all adverse effects observed for the drug to be included in the ________ and it is reported in _______ of population effected.

A

monograph…percentage

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11
Q

The adverse effects of a drug are categorized according to a _____ system or an ______ system.

A

body or organ

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12
Q

Malaise (tiredness), Body pain, Lower extremity pain, Back pain are considered general side effects of the _____ as a whole.

A

body

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13
Q

Arthralgia (arthrodynia) – joint pain, Leg cramps, Myalgia (myodynia) – pain in muscle(s), Myastenia – muscular debility, Myositis – inflammation of a voluntary muscle, Tenosynovitis – inflammation of a tendon sheath are side effects on the _______ system.

A

skeletal muscle system

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14
Q

Adverse reactions caused by drugs on blood pressure and the heart, Palpitations, Angina, Hypotension/hypertension, Orthostatic hypotension, Arrhythmias are considered side effects on the ________ system.

A

cardiovascular

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15
Q

Dizziness, Drowsiness, Depression, Hallucinations, Hyperexcitability/hyperactivity

A

nervous system (CNS & PNS)

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16
Q

Shortness of breath, Cough, Pharyngitis, Cold symptoms, Sinusitis are considered side effects of the ______ system.

A

respiratory

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17
Q

These side effects are rare, but VERY dangerous because they can cause anemia and clotting.

A

hematologic side effects

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18
Q

Neutropenia – decreased neutrophils, Thrombocytosis – increased platelets, Agranulocytosis – extreme reduction of neutrophils (granulocytes) are considered ______ side effects.

A

hematologic side effects

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19
Q

What type of drugs are typically the culprit for the very rare, but very dangerous hematologic side effects?

A

Chemotherapy drugs

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20
Q

The “NVD’s” (nausea, vomiting, diarrhea) are common ______ side effects.

A

digestive system

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21
Q

Drugs that effect the eyes (blurred or colored vision), ears (tinnitus), taste (metallic taste *dentistry) are side effects of the _______.

A

special senses

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22
Q

Unwanted effects on endocrine glands, Adrenal suppression, Symptoms of diabetes, Drug-induced thyroiditis are side effects of the _______ system.

A

endocrine system

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23
Q

Drugs that cause reactions of the uterus, ovaries, and testes have ________ system side effects.

A

reproductive

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24
Q

Drug-induced itching and redness, Acne, Alopecia, Herpes simplex, Sweating, Urticaria (localized edema with wheals), Skin ulcers are examples of _____ adverse reactions.

A

skin

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25
Dysuria, Impotence, Urinary frequency, Vaginitis, Hematuria are example of side effects of the _____-_____ system.
genito-urinary system
26
In dentistry, we really want to pay attention to the drug monograph for _____ side effects, because we are administering drugs in the oral cavity.
G.I.
27
__________ reactions to drugs in susceptible individuals can lead to classic allergic manifestations such as skin rash, asthmatic syndromes, rhinitis and anaphylaxis.
Hypersensitivity
28
Person must have a ________ to a drug to manifest later with an allergic reaction!
previous exposure
29
What are the two WBC's that release HISTAMINE in hypersensitivity/allergic reactions???
1.Basophils 2.Mast Cells
30
What type of antibody does the allergenic antigen bind to on the basophil/mast cell?
IgEEEEEEE DAWG!!!
31
The "allergic release" of ________ results in the allergic manifestations.
HISTAMINE!!!
32
How do we stop allergic reactions? Can we stop histamine production?
Block histamine receptors, no we can not stop histamine production.
33
The more histamine = the _____ the blood pressure, because histamine ______ the blood vessels.
LOWER.... dilates
34
What are the other two antibodies involved in hypersensitivity/allergic reactions besides IgE?
IgGGGG-UNIT! and IgMMMMMasacistic
35
Allergic manifestations are classically characterized according to the _______- factors involved
antibody
36
Type I hypersensitivity reactions are mediated by the ____ antibody.
IgEEEEE DAWG
37
Which hypersensitivity type reaction is MOST SEVERE?? (Anaphylaxis, Asthma syndrome, Rhinitis, Dermatitis)
Type I
38
Type II hypersensitivity reactions are mediated by the ____ and _____ antibodies.
IgGGGGG UNIT & IgMMMMast cells
39
Which hypersensitivity reaction only shows up on a BLOOD TEST because RBCs are lysed during the reaction?
Type II
40
Type III hypersensitivity reactions are mediated by ____ antibodies.
IgGGGGG UNIT
41
Arthralgia (muscle/joint pain), Fever, Lymphadenopathy (swollen glands) are all indicative of a Type ___ hypersensitivity reaction involving the ___ antibody.
Type III, IgGGGG UNIT
42
Hypersensitivity reactions are frightening because they are _______ and NOT _____ related!!
unpredictable...NOT DOSE related!
43
Many hypersensitivity reactions occur frequently with the antibiotic _______.
penicillin
44
Interesting!!! Someone could take penicillin 100 times without ______, then experience reaction and approx ___% of the population is allergic to penicillin!
hypersensitivity...10%
45
A drug effect on fetal development is a "_______" effect.
teraTogenic effect
46
When is the most susceptible time for a teratogenic effect to take place?
the 1st trimester (esp. first month, WHEN most women don't know they're prego!!)
47
Interesting...teratogen comes from the greek word for ______.
monster
48
What is our PRIME example of a teratogen that EVERYONE should know?? What was it used for?
Thal-id-O-mide...1960's drug for morning sickness
49
What was the result of the teratogen thalidomide, and what % teratogenic is it?
major limb defects...99% teratogenic
50
Isotretioin (______) is another example of a 99% teratogenic drug. It is used for severe cystic acne.
accutane
51
Drugs that are teratogenic may still be approved by the FDA: therapeutic _____ outweighs their _____. For example some teratogenic drugs can help with _____ by treating ulcers and "wasting".
benefit...risk...AIDS
52
What are the 5 FDA Teratogenic/Pregnancy Risk Factors given to a drug? Which one is safest, which is most dangerous?
A safest,B,C,D, and X most dangerous
53
Which category of pregnancy risk factor? Controlled studies in pregnant women failed to demonstrate a risk to the fetus.
A
54
Which category of pregnancy risk factor? Animal-reproduction studies have not demonstrated a fetal risk.
B
55
Which category of pregnancy risk factor? Studies in animals have revealed adverse effects on the fetus, but no data in humans exist.
C
56
Which category of pregnancy risk factor? There is positive evidence of human fetal risk, but the benefits of use in pregnant women may be acceptable.
D
57
Which category of pregnancy risk factor? Studies in animals or humans have demonstrated fetal abnormalities. Contraindicated in women who are or who may become pregnant.
X
58
What is are two examples of 'B' pregnancy risk drugs in dentistry? What is an example of an 'X' pregnancy risk dry in dentistry?
B: Lidocane & Tylenol X:Tetracycline
59
________ are when 2 or more drugs are taken at the same time by a patient, the resultant effects may often be different from the effects produced by each drug when given alone.
Drug Interactions
60
There are three effects of drug interactions: 1. The net drug response may result from ________ of the effects of one or the other drug.
enhancement
61
There are three effects of drug interactions: 2. The development of _____ effects that are not observed with the drug alone.
NEW
62
There are three effects of drug interactions: 3. The _______ of the effect of one drug by another.
inhibition
63
Drug interactions: In patients taking 2 or 3 medications at the same time, ____ out of 100 will experience a significant drug interaction.
5 out of 100
64
Drug Interactions: In patients taking 8 to 10 medications together, ___ out of 100 will experience an interaction
20 out of 100!!
65
BIG TOPIC!!!! 4 Basic Mechanisms of Drug Interactions: 1.Drugs having ______ effects. Additive, synergistic, and potentiation. Like giving tylenol and ibuprofen to quickly reduce fever.
SIMILAR
66
BIG TOPIC!!!! 4 Basic Mechanisms of Drug Interactions: 2. _______ effects c/o altered CYP enzymes they are going to promote induction AND inhibition!
metabolism
67
BIG TOPIC!!!! 4 Basic Mechanisms of Drug Interactions: 3.______ effects like altered pH in the stomach.
Absorption
68
BIG TOPIC!!!! 4 Basic Mechanisms of Drug Interactions: Displacement of _______: leads to more 'free' drug in circulation. Elderly people have less.
Plasma Proteins
69
BIG TOPIC!!!! 4 Basic Mechanisms of Drug Interactions: What are they? :)
1. Drugs with similar effects 2.Metabolsim Effects 3.Absorption Effects 4.Displacement of Plasma Proteins
70
_________ is defined as the range of response per | dose....An individual may require a higher/lower dose to produce the desired effect.
Biological variation---genetics to explain the effectiveness
71
_________ is a greater-than-normal reaction to a | drug. Ex. tranquilizer: small dose has mild effect on one person, while small does has major effect on another
HyperSusceptibility
72
Drug ________ is the response of the patient to the drug is QUALITATIVELY different from the usual or expected response.. Ex. stimulant to overcome sedation, but it makes Pt fall asleep (me & caffeine at times :))
Idio-syncracy (usually a genetic defect)
73
Age effect on safety/effectiveness of drugs: Pedo-many drugs are given in a much _____ dose because children have increased _________. Dosing of a child is based on their _______.
smaller....membrane permeability!!....WEIGHT
74
Age effect on safety/effectiveness of drugs: the Poison protection act of 1970 brought about child-resistant _______.
containers
75
Age effect on safety/effectiveness of drugs: PEDO-Calculate dose according to body ______, _____ and total body _______.
WEIGHT, AGE, and total body SURFACE AREA
76
Age effect on safety/effectiveness of drugs: Typically, children receive _____ of the adult dose.
HALF
77
Age effect on safety/effectiveness of drugs: Elderly- Decreased _______ due to increased stomach acidity.
absorption
78
Age effect on safety/effectiveness of drugs: Elderly- Decreased _____ function; more drug unchanged (more “active” drug).
LIVER
79
Age effect on safety/effectiveness of drugs: Elderly-Decreased _____ body mass & Increased body _____ (drug storage).
lean...FAT
80
Age effect on safety/effectiveness of drugs: Elderly- Decreased total body ______ (drug more concentrated in blood).
water
81
Age effect on safety/effectiveness of drugs: Elderly- Decreased _________ (more unbound “active” drug).
plasma proteins
82
Age effect on safety/effectiveness of drugs: Elderly- Less binding capacity (decreased _________), less metabolism (decreased _____ function) and decreased _____ function allow for normal doses of drug to act at overdose levels in the geriatric patient SO WE GIVE A ______ DOSE!!!
plasma proteins....liver...renal....LOWER
83
With liver diseases = in most cases, drug metabolism is reduced due to diminished function of the ________ system; dosing must be ______.
cytochrome P-450....reduced
84
With renal diseases (DIABETES!!!) = results in renal impairment of drug ________; dosing must be modified on the basis of renal clearance values of the drug.
excretion
85
Drug _______ is associated with increasing amounts of drug required to produce a consistent effect and it's usually associated with drugs which cause physical dependence (addiction).
Tolerance
86
________ is a RAPID development of tolerance, like 1-2 doses.
TACH-y-phyl-axis ("TACK-E-FLACK-SIS)
87
What is an example of Dental Tachyphylaxis?
Re-adminsiter anesthetic IMMEDIATELY when pt tells you it is wearing off! (a tolerance has been built to the drug with the 1st dose!)
88
________ studies the genetic variability of drug effects.
PharmacoGenetics
89
Differences in genetic sequences are called _________.
polymorphisms
90
Polymorphisms (differences in gentic sequences) include both Pharmaco_______ AND Pharmaco_______ effects!
PharmacoKinetic (plasma) AND PharmacoDynamic (target genes) effects
91
A Pharmacogenetic ________ helps prevent drug side effects by looking for "_______" genes that encode for messed up receptors/CYP enzymes.
screening..."misspelled"
92
Genetic resistance to dental anesthetic (via plasma cholinesterase alteration) is found in 2% of the global population, BUT ZERO people of ________, ________, _______, or ________ have had the alteration!
Japanese, Black, Eskimo, or Filipino
93
G-6-P deficiency is quite common which leads to less Glutathione (an anti-oxidant). It effects 200 million people world wide and leads to hemolytic _______.
anemia

Pharmacology (23 decks)

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