Egans Medical Gas Therapy Exam | Verified Exam Questions and
Answers | Latest Updated Study Material 2026
Question:
1. Specific clinical objectives of oxygen (O2) therapy include which of the following?
1. Decrease the symptoms caused by chronic hypoxemia.
2. Decrease the workload hypoxemia imposes on the heart and lungs.
3. Correct documented arterial hypoxemia.
4. Correct documented respiratory acidosis.
a.
2 and 4 only
b.
3 and 4 only
c.
1 and 3 only
d.
1, 2, and 3 only
Answer:
1, 2, and 3 only
Question:
2. Properly applied O2 therapy can decrease which of the following?
1. Ventilatory demand
2. Work of breathing
3. Cardiac output
a.
2 and 3 only
b.
1 and 2 only
c.
,1, 2, and 3
d.
1 and 3 only
Answer:
1, 2, and 3
Question:
3. 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
Answer:
1, 2, and 3 only
Question:
4. Which of the following would indicate a need for O2 therapy for an adult or a child?
1. SaO2 less than 90%
2. PaCO2 greater than 45 mm Hg
3. PaO2 less than 60 mm Hg
a.
2 and 3 only
,b.
1 and 2 only
c.
1, 2, and 3
d.
1 and 3 only
Answer:
1 and 3 only
Question:
5. You start a chronic obstructive pulmonary disease (COPD) patient on a nasal O2 cannula at 2
L/min. What is the maximum time that should pass before assessing this patient's PaO2 or SaO2?
a.
2 hr
b.
8 hr
c.
12 hr
d.
72 hr
Answer:
2 hr
Question:
6. 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
Answer:
Every 24 hr
Question:
7. You set up an Oxy-Hood with an FiO2 of 0.5 for a newborn infant. What is the maximum time
that should pass before assessing this patient's PaO2 or SaO2?
a.
1 hr
b.
2 hr
c.
8 hr
d.
12 hr
Answer:
1 hr
Question:
8. When determining a need for O2 therapy, the respiratory therapist should assess which of the
following?
1. Neurologic status
2. Pulmonary status
3. Cardiac status
a.
1 and 2 only
b.
2 and 3 only
c.
1 and 3 only
Answers | Latest Updated Study Material 2026
Question:
1. Specific clinical objectives of oxygen (O2) therapy include which of the following?
1. Decrease the symptoms caused by chronic hypoxemia.
2. Decrease the workload hypoxemia imposes on the heart and lungs.
3. Correct documented arterial hypoxemia.
4. Correct documented respiratory acidosis.
a.
2 and 4 only
b.
3 and 4 only
c.
1 and 3 only
d.
1, 2, and 3 only
Answer:
1, 2, and 3 only
Question:
2. Properly applied O2 therapy can decrease which of the following?
1. Ventilatory demand
2. Work of breathing
3. Cardiac output
a.
2 and 3 only
b.
1 and 2 only
c.
,1, 2, and 3
d.
1 and 3 only
Answer:
1, 2, and 3
Question:
3. 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
Answer:
1, 2, and 3 only
Question:
4. Which of the following would indicate a need for O2 therapy for an adult or a child?
1. SaO2 less than 90%
2. PaCO2 greater than 45 mm Hg
3. PaO2 less than 60 mm Hg
a.
2 and 3 only
,b.
1 and 2 only
c.
1, 2, and 3
d.
1 and 3 only
Answer:
1 and 3 only
Question:
5. You start a chronic obstructive pulmonary disease (COPD) patient on a nasal O2 cannula at 2
L/min. What is the maximum time that should pass before assessing this patient's PaO2 or SaO2?
a.
2 hr
b.
8 hr
c.
12 hr
d.
72 hr
Answer:
2 hr
Question:
6. 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
Answer:
Every 24 hr
Question:
7. You set up an Oxy-Hood with an FiO2 of 0.5 for a newborn infant. What is the maximum time
that should pass before assessing this patient's PaO2 or SaO2?
a.
1 hr
b.
2 hr
c.
8 hr
d.
12 hr
Answer:
1 hr
Question:
8. When determining a need for O2 therapy, the respiratory therapist should assess which of the
following?
1. Neurologic status
2. Pulmonary status
3. Cardiac status
a.
1 and 2 only
b.
2 and 3 only
c.
1 and 3 only
