Egans Medical Gas Therapy Exam with precise detailed ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
solutions
1. Specific clinical objectives of oxygen (O2) therapy include which of the following?
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1. Decrease the symptoms caused by chronic hypoxemia.
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2. Decrease the workload hypoxemia imposes on the heart and lungs.
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3. Correct documented arterial hypoxemia.
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4. Correct documented respiratory acidosis.
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a.
2 and 4 only
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b.
3 and 4 only
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c.
1 and 3 only
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d.
1, 2, and 3 only - correct answer✔✔1, 2, and 3 only
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2. Properly applied O2 therapy can decrease which of the following?
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1. Ventilatory demand
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2. Work of breathing
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3. Cardiac output
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a.
2 and 3 only
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b.
1 and 2 only
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,c.
1, 2, and 3
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d.
1 and 3 only - correct answer✔✔1, 2, and 3
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3. Benefits of properly applied O2 therapy in patients with chronic hypoxemia include which
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of the following?
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1. Reversal of pulmonary vasoconstriction
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2. Relief of pulmonary hypertension
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3. Decreased right ventricular workload
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4. Improved pulmonary vital capacity
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a.
1 and 3 only
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b.
1, 2, and 3 only
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c.
3 and 4 only
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d.
2, 3, and 4 only - correct answer✔✔1, 2, and 3 only
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4. Which of the following would indicate a need for O2 therapy for an adult or a child?
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1. SaO2 less than 90%
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2. PaCO2 greater than 45 mm Hg
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3. PaO2 less than 60 mm Hg
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a.
2 and 3 only
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,b.
1 and 2 only
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c.
1, 2, and 3 ||//\\|| ||//\\|| ||//\\||
d.
1 and 3 only - correct answer✔✔1 and 3 only
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5. You start a chronic obstructive pulmonary disease (COPD) patient on a nasal O2 cannula at
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2 L/min. What is the maximum time that should pass before assessing this patient's PaO2 or
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SaO2?
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a.
2 hr ||//\\||
b.
8 hr ||//\\||
c.
12 hr ||//\\||
d.
72 hr - correct answer✔✔2 hr
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6. According to AARC clinical practice guidelines, what is the minimum frequency for
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checking the functioning of an O2 delivery system? ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
a.
Every 4 hr ||//\\|| ||//\\||
b.
Every 8 hr ||//\\|| ||//\\||
c.
Every 24 hr ||//\\|| ||//\\||
, d.
Every 48 hr - correct answer✔✔Every 24 hr ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
7. You set up an Oxy-Hood with an FiO2 of 0.5 for a newborn infant. What is the maximum
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time that should pass before assessing this patient's PaO2 or SaO2?
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a.
1 hr ||//\\||
b.
2 hr ||//\\||
c.
8 hr ||//\\||
d.
12 hr - correct answer✔✔1 hr
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8. When determining a need for O2 therapy, the respiratory therapist should assess which of
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the following?
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1. Neurologic status
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2. Pulmonary status
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3. Cardiac status ||//\\|| ||//\\||
a.
1 and 2 only
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b.
2 and 3 only
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c.
1 and 3 only
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d.
1, 2, and 3 - correct answer✔✔1, 2, and 3
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solutions
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
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b.
3 and 4 only
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c.
1 and 3 only
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d.
1, 2, and 3 only - correct answer✔✔1, 2, and 3 only
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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
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b.
1 and 2 only
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,c.
1, 2, and 3
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d.
1 and 3 only - correct answer✔✔1, 2, and 3
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3. Benefits of properly applied O2 therapy in patients with chronic hypoxemia include which
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
of the following?
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1. Reversal of pulmonary vasoconstriction
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2. Relief of pulmonary hypertension
||//\\|| ||//\\|| ||//\\|| ||//\\||
3. Decreased right ventricular workload
||//\\|| ||//\\|| ||//\\|| ||//\\||
4. Improved pulmonary vital capacity
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a.
1 and 3 only
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b.
1, 2, and 3 only
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c.
3 and 4 only
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d.
2, 3, and 4 only - correct answer✔✔1, 2, and 3 only
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4. Which of the following would indicate a need for O2 therapy for an adult or a child?
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1. SaO2 less than 90%
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2. PaCO2 greater than 45 mm Hg
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3. PaO2 less than 60 mm Hg
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a.
2 and 3 only
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,b.
1 and 2 only
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c.
1, 2, and 3 ||//\\|| ||//\\|| ||//\\||
d.
1 and 3 only - correct answer✔✔1 and 3 only
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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?
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a.
2 hr ||//\\||
b.
8 hr ||//\\||
c.
12 hr ||//\\||
d.
72 hr - correct answer✔✔2 hr
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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 - correct answer✔✔Every 24 hr ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
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?
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a.
1 hr ||//\\||
b.
2 hr ||//\\||
c.
8 hr ||//\\||
d.
12 hr - correct answer✔✔1 hr
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8. When determining a need for O2 therapy, the respiratory therapist should assess which of
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||
the following?
||//\\|| ||//\\||
1. Neurologic status
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2. Pulmonary status
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3. Cardiac status ||//\\|| ||//\\||
a.
1 and 2 only
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b.
2 and 3 only
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c.
1 and 3 only
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d.
1, 2, and 3 - correct answer✔✔1, 2, and 3
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