(second half) UPDATED Exam Questions
and CORRECT Answers
List the dose response curves from lightest to deepest levels of sedation (5) - CORRECT
ANSWER - skin closure
skin incision
respiratory depression
laryngoscopy
EEG changes
t/f: inhalation agents differ substantially from other anesthetic drugs because they are inhaled -
CORRECT ANSWER - true
What is absorption referred to as in inhalation anesthetic terminology? - CORRECT
ANSWER - uptake
Is there a unique IA term for distribution? - CORRECT ANSWER - No. it is still called
distribution
IA term for metabolism - CORRECT ANSWER - biotransformation
IA term for excretion - CORRECT ANSWER - elimination
Where is IA elimination primarily done? - CORRECT ANSWER - lungs
What are the steps involved in getting an inhalation gas to the brain? (4) - CORRECT
ANSWER - transfer of gas mixture to inspiratory limb of machine
tx from inspiratory limb through respiratory tract to alveoli
, tx from alveoli to blood
tx from blood to the brain
What is FGF? - CORRECT ANSWER - Fresh gas flow
total flow of all of the gases combined coming from the machine
What is FGF largely driven by? (3) - CORRECT ANSWER - liter flow rate of oxygen, air,
and nitrous oxide
What is Fi? - CORRECT ANSWER - Fraction Inspired
the % concentration that is delivered to the alveoli
What is FA - CORRECT ANSWER - Fraction Alveolar Gas
% concentration of the gas IN the alveoli
Why is FA particularly important? (2) - CORRECT ANSWER - it represents the PP of the gas
in the alveoli (recall PP is the driver of a gas into the blood!)
it can be measured by our gas analyzer
What is Fa? - CORRECT ANSWER - Fraction arterial
the PP of the gas in the blood
What is the target of IAs? - CORRECT ANSWER - the CNS/brain
Inhaled anesthetics are ___ and ___ molecules. As gases, they rapidly cross ____ to ____ -
CORRECT ANSWER - lipophilic
small
alveoli