Questions and CORRECT Answers
all inhaled anesthetics except for _____ trigger MH - CORRECT ANSWER - N2O
which inhaled volatile anesthetic causes airway irritation/coughing on induction? - CORRECT
ANSWER - Desflurane
Why does an ideal inhaled volatile anesthetic have HIGH potency? - CORRECT ANSWER -
allows higher concomitant admin of O2 !
EX: N2O and xenon sue is limited as >30% of N2O needed to have uptake but limits O2 admin
to 70%
less blood soluble inhaled volatile anesthetics have faster... - CORRECT ANSWER - ability to
induce and emerge pts once turned off
Sevoflurane may react with ____ to form _______ - CORRECT ANSWER - soda lime
Compound A
the only inhaled volatile anesthetic NOT metabolized by the body is.... - CORRECT
ANSWER - Xenon
What inhaled volatile anesthetic has the worst greenhouse gas impact? - CORRECT
ANSWER - Desflurane, stays for 14 years !!
20x Sevoflurane's ability to remain in atm
All inhaled anesthetics have some mild... - CORRECT ANSWER - stimulant activity
, What ideal anesthetic property do NONE of the inhaled agents possess? - CORRECT
ANSWER - NONE can cause prolonged post-op pain relief after return to conscious state
What is Guedel's Stage I of Anesthesia? - CORRECT ANSWER - ANALGESIA
analgesia + amnesia
Patient is conscious + conversational!
This stage lasts until LOC
pain is prog. abolished
reflexes + respirations in tact
stopping at stage I is limited for short procedures
What is Guedel's Stage II of Anesthesia? - CORRECT ANSWER - EXCITEMENT
Delirium, amnesia
irregular RR + TV, pt struggle and breath holding
vomiting may occur
SNS activation may cause BP/HR rise + pupil dilation
NO operative procedure is EVER carried out at this stage
What is Guedel's Stage III of Anesthesia?
What are Planes 1-4 of this stage? - CORRECT ANSWER - SURGICAL ANESTHESIA
BEGINS w/ recurrence of regular respirations + ends with cessation of breathing
>Plane 1: reg respirations, swallowing but NO lid reflex
>Plane 2: central + fixed pupils, resp regular BIS = 30