Miscellaneous Flashcards
The transfer of the drug from the body fluids to the tissues
Absorption
Water soluble drugs have what kind of absorption?
Passive absorption
When does drug bioavailability occur?
After it’s metabolized
What increases half-life in patients, which can increase toxicity?
Kidney, liver disease, and old age
What neutralizes the effects of heparin?
Protamine sulfate
How long before meals should PPI’s be taken?
1 hour
How much analgesic properties do benzodiazepines have?
NONE
How long should patients lie down after taking benzo’s?
30 minutes
Increase levels of norepinephrine and serotonin by inhibiting their reuptake and block the action of acetylcholine
TCA’s
Increase levels of norepinephrine and serotonin by inhibiting their reuptake and block the action of acetylcholine
TCA’s
Increase serotonin by inhibiting neuronal uptake to CNS
SSRI
Trazodone is what class of antidepressant?
Serotonin Reuptake inhibitor/antagonist
May experience an aura with perceptual alterations and hallucinations
Psychomotor Seizure
Alternate contraction and relaxation of muscles
Tonic-clonic
Sudden, forceful contraction involving the musculature of the trunk, neck, extremities
Myoclonic seizures
What is used to treat patients with generalized convulsive status epilepticus (GCSE)?
Benzodiapines
What is classified as GCSE?
5 minutes or more of continuous seizure activity or more than 1 seizure without recovery in-between
What acts on the chemoreceptor trigger zone to inhibit nausea and vomiting?
Penothiazines
What decreases nausea and vomiting by its effects on gastric emptying?
Metoclopramide
What blocks effects of serotonin at 5-HT3 receptor sites?
Ondansetron
Use phenothiazines in children when you suspect what?
They have a viral disease
What causes Reye Syndrome in children with chickenpox or influenza?
Asprin
Naloxone releases what?
Catecholamines
Releases stimulants and reuptake inhibitors that increase the levels of endogenous catecholamines
Beta2 Agonists
Antagonizes acetylcholine receptors, producing bronchodilation
Muscarinic Antagonists
Antitussive Central Acting =
Depresses cough center
Antitussive peripheral acting =
Anesthizes stretch receptors
What antiarrhythmic class is used for ventricular dysrhythmias and Atrial fibrillation?
Class 3