NUR 141 Periop Practice Questions and Correct Answers
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Course
NUR 141
Institution
NUR 141
Anesthetic any agent that produces a local or general loss of sensation, including pain
General anesthesia is a combination of medications that put you in a sleep like state before a surgery or other medical procedure. Under general anesthesia, you don't feel pain because you're completely unconsc...
NUR 141 Periop Practice Questions and
Correct Answers
Anesthetic ✅any agent that produces a local or general loss of sensation, including
pain
General anesthesia ✅is a combination of medications that put you in a sleep like state
before a surgery or other medical procedure. Under general anesthesia, you don't feel
pain because you're completely unconscious. General anesthesia usually uses a
combination of intravenous drugs and inhaled gasses (anesthetics).
Balanced anesthesia ✅anesthesia produced by smaller doses of two or more agents
considered safer than the usual large dose of a single agent
Local anesthesia ✅involves numbing an area of the body using a type of medicine
called a local anesthetic. These medicines can be used to treat painful conditions,
prevent pain during a procedure or operation, or relieve pain after surgery
What are preanesthetic medication used for and gives examples ✅Given to reduce
anxiety, produce perioperative amnesia, and relieve preoperative and postoperative
pain
• Benzodiazepines [diazepam, midazolam]
• Sedatives/Hypnotics [Versed, Propofol, Ketamine]
• Opioids [morphine/fentanyl]
• Beta Blockers
• Anticholinergic drugs [atropine]
• Histamine 2 receptor antagonist [Ranitidine Zantac]/ppis [Esomeprazole-Nexium
Discuss the properties of an ideal inhalation anesthetic ✅unconsciousness, analgesia,
muscle relaxation, amnesia, brief and pleasant induction/emergence, adjusted sedation
with ease, minimal adverse effects, large safety margin
Explain the moa, pharmacokinetics and adverse effects of inhalation anesthetics
✅MOA- GABA (gamma-aminobutyrate)
• work by enhancing transmission at inhibitory synapses and by depressing
transmission at excitatory synapses.
• Promote generalized inhibition of CNS function
Adverse effects- (volatile liquids)
• Respiratory and cardiac depression
• Catecholamines
• Aspiration
• Hepatotoxicity
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