Medical Gas Therapy Exam | Verified Exam Questions and Answers |
Latest Updated Study Material 2026
Question:
1. Reversal of pulmonary
vasoconstriction
2. Relief of pulmonary
hypertension
3. Decreased right
ventricular workload
4. Improved pulmonary
vital capacity
Answer:
A) 1 and 3 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 2, 3, and 4 only
According to AARC C) Every 24 hr
clinical practice
Excerpts from the AARC guideline on O2guidelines, what is the
therapy in acute care hospitals appear in CPGminimum frequency for
41-1.checking the
functioning of an O2
delivery system?
A) Every 4 hr
B) Every 8 hr
C) Every 24 hr
D) Every 48 hr
Which of the following C) 1, 2, and 3
signs and symptoms
Last, hypoxemia has many manifestations, such asare associated with
tachypnea, tachycardia, cyanosis, andthe presence of
distressed overall appearance.hypoxemia?
Question:
1. Tachypnea
Answer:
2. Tachycardia
3. Cyanosis
,4. Bradycardia
A) 2 and 3 only
B) 1 and 2 only
C) 1, 2, and 3 only
D) 1 and 4 only
A patient breathing D) 1, 2, 3, and 4
100% O2 for 24 hr or
Table 42-2 summarizes thelonger would most
physiological response tolikely exhibit which of
breathing 100% O2 at seathe following?
level.
1. Decreased DLCO
2. Decreased CL
3. Increased PAO2 - PaO2
4. Decreased VC
A) 2 and 4 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 1, 2, 3, and 4
Which of the following D) 1 and 3 only
factors should be used
Proper device selection requires in-depthin properly selecting
knowledge of both the general performancean O2 delivery
characteristics of these systems and the individualdevice?
capabilities.
Question:
1. Knowledge of
Answer:
general performance
of the device
2. Physician's preference
3. Individual capabilities of
the equipment
A) 2 and 3 only
B) 1 and 2 only
C) 1, 2, and 3
D) 1 and 3 only
Delivery systems B) Variable-performance systems
that provide only a
A system that supplies only a portion of theportion of a
, inspired gas always provides a variable FiO2.patient's inspired
An example of a variable-performancegas are referred to
system is a nasal cannula.as what?
A) Fixed-performance
systems
B) Variable-performance
systems
C) High-flow O2 systems
D) Air-entrainment systems
Which of the following C) 2, 3, and 4
are advantages of the
Table 42-3 lists the FiO2 range, FiO2 stability,nasal cannula as a low-
advantages, disadvantages, and best use offlow O2 delivery
the nasal cannula.system?
Question:
1. Stability
Answer:
2. Low cost
3. Easy application
4. Disposability
A) 2 and 4 only
B) 1, 2, and 4 only
C) 2, 3, and 4 only
D) 1, 2, 3, and 4
Which of the following D) 1, 2, 3, and 4
factors will decrease
The amount of air dilutionthe FiO2 delivered by a
depends on severallow-flow O2 system?
patient and equipment
1. Short inspiratory time variables. Table 42-4
2. Fast rate of breathing summarizes these key
3. Lower O2 input variables and how they
4. Large minute ventilation affect the FiO2 provided
by low-flow systems
A) 2 and 4 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 1, 2, 3, and 4
Which of the following is D) Nasal anatomy and breathing pattern can affect
performance of the device.true about reservoir
cannulas?
Latest Updated Study Material 2026
Question:
1. Reversal of pulmonary
vasoconstriction
2. Relief of pulmonary
hypertension
3. Decreased right
ventricular workload
4. Improved pulmonary
vital capacity
Answer:
A) 1 and 3 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 2, 3, and 4 only
According to AARC C) Every 24 hr
clinical practice
Excerpts from the AARC guideline on O2guidelines, what is the
therapy in acute care hospitals appear in CPGminimum frequency for
41-1.checking the
functioning of an O2
delivery system?
A) Every 4 hr
B) Every 8 hr
C) Every 24 hr
D) Every 48 hr
Which of the following C) 1, 2, and 3
signs and symptoms
Last, hypoxemia has many manifestations, such asare associated with
tachypnea, tachycardia, cyanosis, andthe presence of
distressed overall appearance.hypoxemia?
Question:
1. Tachypnea
Answer:
2. Tachycardia
3. Cyanosis
,4. Bradycardia
A) 2 and 3 only
B) 1 and 2 only
C) 1, 2, and 3 only
D) 1 and 4 only
A patient breathing D) 1, 2, 3, and 4
100% O2 for 24 hr or
Table 42-2 summarizes thelonger would most
physiological response tolikely exhibit which of
breathing 100% O2 at seathe following?
level.
1. Decreased DLCO
2. Decreased CL
3. Increased PAO2 - PaO2
4. Decreased VC
A) 2 and 4 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 1, 2, 3, and 4
Which of the following D) 1 and 3 only
factors should be used
Proper device selection requires in-depthin properly selecting
knowledge of both the general performancean O2 delivery
characteristics of these systems and the individualdevice?
capabilities.
Question:
1. Knowledge of
Answer:
general performance
of the device
2. Physician's preference
3. Individual capabilities of
the equipment
A) 2 and 3 only
B) 1 and 2 only
C) 1, 2, and 3
D) 1 and 3 only
Delivery systems B) Variable-performance systems
that provide only a
A system that supplies only a portion of theportion of a
, inspired gas always provides a variable FiO2.patient's inspired
An example of a variable-performancegas are referred to
system is a nasal cannula.as what?
A) Fixed-performance
systems
B) Variable-performance
systems
C) High-flow O2 systems
D) Air-entrainment systems
Which of the following C) 2, 3, and 4
are advantages of the
Table 42-3 lists the FiO2 range, FiO2 stability,nasal cannula as a low-
advantages, disadvantages, and best use offlow O2 delivery
the nasal cannula.system?
Question:
1. Stability
Answer:
2. Low cost
3. Easy application
4. Disposability
A) 2 and 4 only
B) 1, 2, and 4 only
C) 2, 3, and 4 only
D) 1, 2, 3, and 4
Which of the following D) 1, 2, 3, and 4
factors will decrease
The amount of air dilutionthe FiO2 delivered by a
depends on severallow-flow O2 system?
patient and equipment
1. Short inspiratory time variables. Table 42-4
2. Fast rate of breathing summarizes these key
3. Lower O2 input variables and how they
4. Large minute ventilation affect the FiO2 provided
by low-flow systems
A) 2 and 4 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 1, 2, 3, and 4
Which of the following is D) Nasal anatomy and breathing pattern can affect
performance of the device.true about reservoir
cannulas?
