(GCU) includes accurate and verified questions
covering foundational nursing concepts such as the
nursing process, critical thinking, patient safety,
communication, evidence based practice, and basic
clinical
What is the Sympathetic Nervous system
It helps you react quickly in dangerous or stressful situations by
preparing your body to either fight or escape.
- "Fight or flight"
- Blood pressure/heart rate increase
- digestive slowing.
2 drug classes that affect sympathetic nervous system
1. Adrenergic Agonists (Sympathethomimetics)
2. Adrenergic Antagonist ( Sympatholytic) AKA Adrenergic blockers
Alprazolam (Xanax) drug class
Benzodiazepine & Anxiolytics
alprazolam high alert? Route
,YES
PO (0.25 - 0.5 mg) TID
alprazolam mechanism of action
CNS depression
binds to GABA receptors enhances GABA inhibitory effects
lessen excitability and stabilizes neuronal membranes
Alprazolam Indications & contraindications
Indications:
Treat Anxiety
Panic Disorders
C/I:
Respiratory depression, acute alcohol intoxication, psychotic reactions,
recent respiratory depressants, hypersensitivity
Caution: Older adults, sleep apnea, renal or liver dysfunction,
depression, suicidal ideation, drug abuse
Alprazolam
Side effects/adverse reactions
Lethargy
drowsiness
memory impairment
, dizziness
Seizures
Depression
coordination
alprazolam nursing considerations
avoid with other CNS depressants
taper med
don't stop abruptly due to withdrawal
Alprazolam PE
Don't combine w alcohol
don't operate motor vehicles
Lorazepam (Ativan) drug class
Benzodiazepine & Anxiolytics
Lorazepam mechanism of action
binds to GABA receptors,, which intensifies GABA inhibitory
neurotransmission effects
Produces sedative effects
Lorazepam Indications & Contraindications
Indication:
Anxiety