Medical Gas Therapy Exam Quiz with precise detailed ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
solutions & rationales ||//\\|| ||//\\||
Terms in this set (65) ||//\\|| ||//\\|| ||//\\|| ||//\\||
Original
Benefits of properly applied O2 therapy in patients with chronic hypoxemia include which of
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
the following? ||//\\||
1. ||//\\|| Reversal of pulmonary vasoconstriction ||//\\|| ||//\\|| ||//\\||
2. ||//\\|| Relief of pulmonary hypertension ||//\\|| ||//\\|| ||//\\||
3. ||//\\|| Decreased right ventricular workload ||//\\|| ||//\\|| ||//\\||
4. ||//\\|| Improved pulmonary vital capacity ||//\\|| ||//\\|| ||//\\||
A) 1 and 3 only
||//\\|| ||//\\|| ||//\\|| ||//\\||
B) 1, 2, and 3 only
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
C) 3 and 4 only
||//\\|| ||//\\|| ||//\\|| ||//\\||
D) 2, 3, and 4 only
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
B) 1,2, and 3 only
||//\\|| ||//\\|| ||//\\|| ||//\\||
Oxygen therapy can reverse pulmonary vasoconstriction and decrease right ventricular
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
workload.
According to AARC clinical practice guidelines, what is the minimum frequency for checking ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
the functioning of an O2 delivery system?
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
A) Every 4 hr
||//\\|| ||//\\|| ||//\\||
B) Every 8 hr
||//\\|| ||//\\|| ||//\\||
C) Every 24 hr
||//\\|| ||//\\|| ||//\\||
D) Every 48 hr
||//\\|| ||//\\|| ||//\\||
C) Every 24 hr
||//\\|| ||//\\|| ||//\\||
Excerpts from the AARC guideline on O2 therapy in acute care hospitals appear in CPG 41-1.
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
,Which of the following signs and symptoms are associated with the presence of hypoxemia?
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
1. ||//\\|| Tachypnea
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
||//\\|| ||//\\|| ||//\\|| ||//\\||
C) 1, 2, and 3
||//\\|| ||//\\|| ||//\\|| ||//\\||
Last, hypoxemia has many manifestations, such as tachypnea, tachycardia, cyanosis, and
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
distressed overall appearance. ||//\\|| ||//\\||
A patient breathing 100% O2 for 24 hr or longer would most likely exhibit which of the
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
following?
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
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
D) 1, 2, 3, and 4
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
Table 42-2 summarizes the physiological response to breathing 100% O2 at sea level.
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
Which of the following factors should be used in properly selecting an O2 delivery device?
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
1. Knowledge of 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 ||//\\|| ||//\\|| ||//\\||
D) 1 and 3 only ||//\\|| ||//\\|| ||//\\|| ||//\\||
Proper device selection requires in-depth knowledge of both the general performance
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
characteristics of these systems and the individual capabilities. ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
Delivery systems that provide only a portion of a patient's inspired gas are referred to as ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
what?
A) Fixed-performance systems
||//\\|| ||//\\||
B) Variable-performance systems
||//\\|| ||//\\||
C) High-flow O2 systems
||//\\|| ||//\\|| ||//\\||
D) Air-entrainment systems
||//\\|| ||//\\||
B) Variable-performance systems
||//\\|| ||//\\||
A system that supplies only a portion of the inspired gas always provides a variable FiO2. An
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
example of a variable-performance system is a nasal cannula.
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
Which of the following are advantages of the nasal cannula as a low-flow O2 delivery
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
system?
1. ||//\\|| Stability
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 ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
C) 2, 3, and 4 ||//\\|| ||//\\|| ||//\\|| ||//\\||
Table 42-3 lists the FiO2 range, FiO2 stability, advantages, disadvantages, and best use of the
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
nasal cannula. ||//\\||
solutions & rationales ||//\\|| ||//\\||
Terms in this set (65) ||//\\|| ||//\\|| ||//\\|| ||//\\||
Original
Benefits of properly applied O2 therapy in patients with chronic hypoxemia include which of
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
the following? ||//\\||
1. ||//\\|| Reversal of pulmonary vasoconstriction ||//\\|| ||//\\|| ||//\\||
2. ||//\\|| Relief of pulmonary hypertension ||//\\|| ||//\\|| ||//\\||
3. ||//\\|| Decreased right ventricular workload ||//\\|| ||//\\|| ||//\\||
4. ||//\\|| Improved pulmonary vital capacity ||//\\|| ||//\\|| ||//\\||
A) 1 and 3 only
||//\\|| ||//\\|| ||//\\|| ||//\\||
B) 1, 2, and 3 only
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
C) 3 and 4 only
||//\\|| ||//\\|| ||//\\|| ||//\\||
D) 2, 3, and 4 only
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
B) 1,2, and 3 only
||//\\|| ||//\\|| ||//\\|| ||//\\||
Oxygen therapy can reverse pulmonary vasoconstriction and decrease right ventricular
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
workload.
According to AARC clinical practice guidelines, what is the minimum frequency for checking ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
the functioning of an O2 delivery system?
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
A) Every 4 hr
||//\\|| ||//\\|| ||//\\||
B) Every 8 hr
||//\\|| ||//\\|| ||//\\||
C) Every 24 hr
||//\\|| ||//\\|| ||//\\||
D) Every 48 hr
||//\\|| ||//\\|| ||//\\||
C) Every 24 hr
||//\\|| ||//\\|| ||//\\||
Excerpts from the AARC guideline on O2 therapy in acute care hospitals appear in CPG 41-1.
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
,Which of the following signs and symptoms are associated with the presence of hypoxemia?
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
1. ||//\\|| Tachypnea
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
||//\\|| ||//\\|| ||//\\|| ||//\\||
C) 1, 2, and 3
||//\\|| ||//\\|| ||//\\|| ||//\\||
Last, hypoxemia has many manifestations, such as tachypnea, tachycardia, cyanosis, and
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
distressed overall appearance. ||//\\|| ||//\\||
A patient breathing 100% O2 for 24 hr or longer would most likely exhibit which of the
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
following?
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
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
D) 1, 2, 3, and 4
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
Table 42-2 summarizes the physiological response to breathing 100% O2 at sea level.
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
Which of the following factors should be used in properly selecting an O2 delivery device?
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
1. Knowledge of 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 ||//\\|| ||//\\|| ||//\\||
D) 1 and 3 only ||//\\|| ||//\\|| ||//\\|| ||//\\||
Proper device selection requires in-depth knowledge of both the general performance
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
characteristics of these systems and the individual capabilities. ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
Delivery systems that provide only a portion of a patient's inspired gas are referred to as ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
what?
A) Fixed-performance systems
||//\\|| ||//\\||
B) Variable-performance systems
||//\\|| ||//\\||
C) High-flow O2 systems
||//\\|| ||//\\|| ||//\\||
D) Air-entrainment systems
||//\\|| ||//\\||
B) Variable-performance systems
||//\\|| ||//\\||
A system that supplies only a portion of the inspired gas always provides a variable FiO2. An
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
example of a variable-performance system is a nasal cannula.
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
Which of the following are advantages of the nasal cannula as a low-flow O2 delivery
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
system?
1. ||//\\|| Stability
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 ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
C) 2, 3, and 4 ||//\\|| ||//\\|| ||//\\|| ||//\\||
Table 42-3 lists the FiO2 range, FiO2 stability, advantages, disadvantages, and best use of the
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
nasal cannula. ||//\\||
