NUR 209 FINAL EXAM: NUR 209 MEDICAL-
SURGICAL NURSING II, 2025/2026 WITH
CORRECT/ACCURATE ANSWERS
what does a high flow O2 delivery system provide - Correct Answer-it
provides a higher flow of O2 to meet higher minimun volume of patients
in resp distress or failure
venturi mask, high flow nasal cannula
what is considered a low flow O2 delivery system - Correct Answer-low
flow nasal cannula, O2 conserving nasal cannula, simple face mask,
partial rebreather mask, partial nonrebreather mask, nonbreather mask
venturi mask:
FiO2 (fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2: 25-50%
Advantage:provides specific amt of O2 with humidity and constant O2
Disadvantage: mask and humidity may irritate skin, interfere with eating,
drinking, talking
High flow nasal cannula
FiO2 (fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2: adjustable (21-100%)
Advantage:wide range of FiO2, suitable for adults, child, infants
Disadvantage: FiO2 dependant on pt resp pattern and input flow, risk for
infection
, Low flow nasal cannula
FiO2 (fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2: 1-2L/min-24-28% 3-4L/min- 32-36%
5-6L/min-40-44%
Advantage: safe, simple, tolerated, effective, no barriers for eating
Disadvantages: nasal obstruction, drying mucous membrane,
dislodgeable, skin irritation
O2 conserving cannula
FiO2 (fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2: 8l/min- up to 30-60% Advantage:
for long term O2, can increase O2 concentration at low flow
Disadvantage: expensive, same as low flow nasal cannula disadvantages (
nasal obstruction, drying mucous membrane, dislodgeable, skin irritation )
Simple face mask
FiO2 (fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2: 5-10L/min -40-60% Advantage:
good O2 delivery during short term use
Disadvantage: contraindicated for pt who retain CO2, feelings of
claustrophobia, interference
partial rebreather, partial nonrebreather, nonrebreather mask FiO2
(fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2:10-13L/min- 60-80% Advantage:
provides increased FiO2, easily humidified O2
Disadvantage: hot and confining, skin irritant, interference, may twist and
deflate
SURGICAL NURSING II, 2025/2026 WITH
CORRECT/ACCURATE ANSWERS
what does a high flow O2 delivery system provide - Correct Answer-it
provides a higher flow of O2 to meet higher minimun volume of patients
in resp distress or failure
venturi mask, high flow nasal cannula
what is considered a low flow O2 delivery system - Correct Answer-low
flow nasal cannula, O2 conserving nasal cannula, simple face mask,
partial rebreather mask, partial nonrebreather mask, nonbreather mask
venturi mask:
FiO2 (fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2: 25-50%
Advantage:provides specific amt of O2 with humidity and constant O2
Disadvantage: mask and humidity may irritate skin, interfere with eating,
drinking, talking
High flow nasal cannula
FiO2 (fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2: adjustable (21-100%)
Advantage:wide range of FiO2, suitable for adults, child, infants
Disadvantage: FiO2 dependant on pt resp pattern and input flow, risk for
infection
, Low flow nasal cannula
FiO2 (fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2: 1-2L/min-24-28% 3-4L/min- 32-36%
5-6L/min-40-44%
Advantage: safe, simple, tolerated, effective, no barriers for eating
Disadvantages: nasal obstruction, drying mucous membrane,
dislodgeable, skin irritation
O2 conserving cannula
FiO2 (fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2: 8l/min- up to 30-60% Advantage:
for long term O2, can increase O2 concentration at low flow
Disadvantage: expensive, same as low flow nasal cannula disadvantages (
nasal obstruction, drying mucous membrane, dislodgeable, skin irritation )
Simple face mask
FiO2 (fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2: 5-10L/min -40-60% Advantage:
good O2 delivery during short term use
Disadvantage: contraindicated for pt who retain CO2, feelings of
claustrophobia, interference
partial rebreather, partial nonrebreather, nonrebreather mask FiO2
(fraction of inspired O2 concentration) delivered advantages
disadvantages - Correct Answer-FiO2:10-13L/min- 60-80% Advantage:
provides increased FiO2, easily humidified O2
Disadvantage: hot and confining, skin irritant, interference, may twist and
deflate
