Test review Flashcards

1
Q

Define bioavailability:

A

it is the percentage o administered dose that reaches systemic circulation

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2
Q

What are the factors that alter bioavailability?

A
  • Route of administration
  • changes in liver metabolism
  • GI motility
  • Food And Drugs
  • Solubility
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3
Q

Define agonist:

A

Drug that binds with a receptor to produce the therapeutic effect

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4
Q

Antagonist:

A

Binds to receptor stronger than the agonist

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5
Q

What is adverse reaction?

A

Undesirable drug effect

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6
Q

Define allergic reaction:

A

A drug reaction that occurs because the individuals immune system views the drug as a foreign substance

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7
Q

Define Cumulative drug effect:

A

effect that occurs when the body has not fully metabolized a dose of the drug before the next dose is given

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8
Q

What is the pharmaceutic phase?

A

The dissolution of a drug. Breakdown of the tablet

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9
Q

Define Drug interaction:

A

When one drug interacts with or interferes with the action of another drug.

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10
Q

Define additive drug reaction

A

A reaction that occurs when the combined effect of two drugs is equal to the sum of each drug given alone.

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11
Q

Define synergism:

A

A drug interaction that occurs when drugs produce an effect that is greater than the sum of their separate actions.

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12
Q

Define antagonist reaction:

A

When one drug interferes with the other action of another, causing neutralization or decrease in the effects.
ex: protamine neutralizes heparin

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13
Q

Describe the 5 factors that influence a drug response

A
  • Age
  • Weight
  • Gender
  • Disease
  • Route of Administration
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14
Q

What do you call a substance that may produce physical or functional defects in a human embryo or fetus?

A

Teratogen

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15
Q

How many pregnancy categories are there?

A

5 categories

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16
Q

What is the most frequent route of drug administration?

A

-the oral route

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17
Q

What are the 4 types of parenteral drug administration?

A

Subcutaneous
Intramuscular
Intravenous
Intradermal

18
Q

Define subcutaneous

A

places the drug into the tissues between the skin and the muscle

19
Q

Define intramuscular

A

places the medication directly into the muscle

20
Q

Define intradermal

A
  • typically used to administer sensitivity tests

- needle is inserted at a 15 degree angle placed between 1st and 2nd layer of skin

21
Q

Barbiturate’s are what class of drug?

A

Sedatives and Hypnotics

22
Q

Define barbiturates’

A

MOA: Suppress the sensory cortex
Use: Sedate, Stop tonic colonic seizures
**Do not use for prolonged period of time for insomnia
Ex: Phenobarbital

23
Q

What are the 6 different types of classes of antidepressants?

A
  • Tricyclic Antidepressants (TCAs)
  • Monoamine Oxidase Inhibitors (MAOI)
  • Selective Serotonin Reuptake Inhibitors (SSRI)
  • Serotonin-norepinephrine Reuptake Inhibitors (SNRI)
  • Serotonin Reuptake Inhibitor/Antagonist
  • Dopamine/Norepinephrine Reuptake Inhibitor
24
Q

TCA’s define the MOA, Use, Adverse effect, Contraindications, Examples

A

MOA: Increase level of norepinephrine and serotonin by inhibiting their reuptake; block acetylcholine
Use: Depressive symptoms, Anxiety, OCD
Adverse: Dry mouth, blurred vision, hypotension
Ex: Amitriptyline

25
MAOI define the MOA, Use, Adverse effect, Contraindications, Examples
MOA: Inhibit the activity of Monoamine oxidase resulting in increased endogenous neuro-hormones. Use: Depression, anxiety, OCD Adverse Effects: FOOD INTERACTIONS, vertigo Cont: CVA disease, Hypertension, CHF elderly Ex: Nardil
26
SSRI define the MOA, Use, Adverse effect, Contraindications, Examples
MOA: Increase serotonin by inhibiting neuronal uptake in CNS Use: Depression, GAD, OCD Adverse: Nausea, transient vomiting's, sexual dysfunction, insomnia, weight gain Cont: Fluoxetine is less effective in patients who smoke Ex: Citalopram, Fluoxetine, Sertraline, paroxetine
27
What are some examples of an SSRI antagonist?
Trazodone
28
What are some examples of SNRIs?
Venlafaxine | Duloxetine
29
What are some examples of Dopamine/Norepinephrine reuptake inhibitors?
Bupropion Aminoketone **used for smoking cessation
30
What class of drugs are Amphetamines' and anorexiants?
CNS Stimulant
31
MOA of CNS Stimulants?
Produces CNS Stimulation by increasing levels of neurotransmitters in the CNS
32
CNS Stimulants define the Use, Adverse effect, Contraindications,
Use: Treatment of narcolepsy ADHD Adverse: Overstimulation, insomnia, tachycardia blurred vision Cont: Hypertension, stroke, Physical dependence
33
What are some examples of amphetamines'?
- Methylphenidate HCL | - Dextroamphetamine
34
What is an example of an anorexiant?
Phentermine
35
Anticonvulsants define the MOA, Use, Adverse effect, Contraindications, Examples
MOA: Reduce excitability of neurons in the brain Use: Decrease the incidence and severity of seizures Adverse: Steven- Johnson's, hypoventilation, bradycardia Cont: CNS depression, Pregnancy (D), Phychoses EX: any that end in -pam, phenytoin, Ethosuximide, Valproic acid
36
What drugs are found to be the most effective when treating a seizure?
Lorazepam and Midazolam
37
Anti-emetic define the MOA, Use, Adverse effect, Contraindications
MOA: Act on chemoreceptor trigger zone to stop nausea and vomiting Use: Antiemetic, antivertigo Adverse: Drowsiness Cont: CNS depression, alcohol
38
What are some examples of antiemetics?
Ondansetron, Promethazine
39
What are some examples of Antivertigo meds?
- Meclizine - Diphenhydramine - Benzodiazepines
40
Anesthetic define the MOA, Use, Adverse effect, Contraindications, Examples
MOA: Stops transport of ions across neural membranes Use: Loss of sensation Ex: Lidocaine, Bupivacaine, Ketamine, Propofol, Etomidate (general anesthesia)
41
Ketamine, What class is it? MOA, Uses, Adverse effects, Contraindication
MOA: Antagonist of glutamate ;neuro inhibition and anesthesia, dissociated from the surroundings Use: Loss of sensation Adverse: Increase HR and BP; hallucinations Cont: Increase BP/HR, Schizophrenia, laryngospasm