NUR 751 Inhalation Agents –Questions and
Answers | 2026 Update | 100% Correct.
Nitrous oxide: stats, pros, cons, uses
-MAC 104
-BGC 0.47
-commonly used in combination with opioids or volatiles
-decent analgesic effects
-may cause PONV
-increases pressure in gas containing space
-potential for diffusion hypoxia
- vit B12 deficiency
- myelin production issues
Halothane: stats, pros, cons, uses
-MAC 0.75
-BGC 2.4
-intense cardiac depressant
-decomposes to hydrochloric acid, hydrobromic acid, chloride, bromide, phosgene
-stored in amber colored bottles with thymol as stabilizing agent
-sensitizes myocardium to catecholamines
Enflurane: stats, pros, cons, uses
-MAC 1.63
, -BGC 1.9
-may lower seizure threshold
-pungent odor
-used in balanced anesthesia with N2O and opioids
-metabolized in liver to produce fluoride ions (nephrotoxic?)
Isoflurane: stats, pros, cons, uses
- MAC 1.2
- BGC 1.4
-commonly used in balanced anesthesia
-intermediate onset/recovery
-minimal metabolism
Desflurane: stats, pros, cons, uses
-MAC 6
-BGC 0.45
-rapid onset and prompt awaking
-metabolism is trivial
-pungent, causes salivation, coughing, and breath holding
-in presence of desiccated CO2 absorbents will produce carbon monoxide
Sevoflurane: stats, pros, cons, uses
-MAC 2
-BGC 0.67
Answers | 2026 Update | 100% Correct.
Nitrous oxide: stats, pros, cons, uses
-MAC 104
-BGC 0.47
-commonly used in combination with opioids or volatiles
-decent analgesic effects
-may cause PONV
-increases pressure in gas containing space
-potential for diffusion hypoxia
- vit B12 deficiency
- myelin production issues
Halothane: stats, pros, cons, uses
-MAC 0.75
-BGC 2.4
-intense cardiac depressant
-decomposes to hydrochloric acid, hydrobromic acid, chloride, bromide, phosgene
-stored in amber colored bottles with thymol as stabilizing agent
-sensitizes myocardium to catecholamines
Enflurane: stats, pros, cons, uses
-MAC 1.63
, -BGC 1.9
-may lower seizure threshold
-pungent odor
-used in balanced anesthesia with N2O and opioids
-metabolized in liver to produce fluoride ions (nephrotoxic?)
Isoflurane: stats, pros, cons, uses
- MAC 1.2
- BGC 1.4
-commonly used in balanced anesthesia
-intermediate onset/recovery
-minimal metabolism
Desflurane: stats, pros, cons, uses
-MAC 6
-BGC 0.45
-rapid onset and prompt awaking
-metabolism is trivial
-pungent, causes salivation, coughing, and breath holding
-in presence of desiccated CO2 absorbents will produce carbon monoxide
Sevoflurane: stats, pros, cons, uses
-MAC 2
-BGC 0.67