A 6-year-old patient with asthma has a sudden onset of SOB and wheezing.
He presents to the emergency department with a heart rate of 82 beats/min, respiratory rate of 28 breaths/minute, and an SpO2 of 87 on room air. Which of the following actions should the res-piratory care practitioner take at this time?
1. Place the patient on oxygen therapy.
2. Intubate the patient.
3. Administer a bronchodilator.
4. Administer nitric oxide therapy.
a. 1 and 3 c. 2 and 4
b. 1 and 4 d. 3 and 4
Q. 2 What type of oxygen-delivery device does the following image illustrate?
a. Simple mask c. Air-entrainment mask
b. Nonrebreathing mask d. Aerosol mask
Q. 3 When a closed Thorpe tube flowmeter is attached to a 50-psi oxygen source, the indicator float jumps up then quickly falls to zero. This flowmeter is:
a. broken. c. compensated for back pressure.
b. a Bourdon gauge flowmeter. d. uncompensated for back pressure.
Q. 4 Which of the following are advantages of nasal cannula use? 1. They are cost-effective. 2. They deliver precise FIO2. 3. The patient can eat, speak, and drink with the cannula in place. 4. Pressure necrosis will not occur.
a. 1 and 2 c. 2 and 3
b. 1 and 3 d. 3 and 4
Q. 5 Which of the following are the potential harmful effects of excessive amounts of oxygen thera-py? 1. Persistent pulmonary hypertension 2. Oxygen-induced hypoventilation 3. Absorption atelectasis 4. Retinopathy or prematurity
a. 1, 2, and 3 c. 2, 3, and 4
b. 1, 2, and 4 d. 1, 2, 3, and 4
Q. 6 Which of the following are disadvantages of delivering oxygen by reservoir masks? 1. Rebreathing CO2 2. The patient cannot eat 3. Increased risk of aspirations 4. Claustrophobia/discomfort
a. 2, 3, and 3 c. 1, 3, and 4
b. 2, 3, and 4 d. 1, 2, 3, and 4
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