ANSWERS
Upon entering a patient's room to check on a nasal cannula setup, the respiratory therapist
hears a high-pitched whistling sound coming from the bubble-type humidifier. What should be
done to correct the problem?
A. Add water to above the fill-line on the reservoir bottle
B. Straighten any kinks in the O2 tubing
C. Turn down the O2 flow
D. Properly place the cannula prongs into the patient's nostrils - correct answer ✔✔B.
Straighten any kinks in the O2 tubing
A patient with post-polio syndrome and pneumonia is 173 cm (5 ft 8 in) tall and weighs 60 kg
(132 lb). Bedside spirometry and arterial blood gases drawn on room air are as follows:
RR: 28/min
VT: 250 mL
Vital capacity: 600 mL
MIP: -16 cm H2O
pH: 7.30
PaCO2: 62 torr
PaO2: 45 torr
HCO3-: 28 mEq/L
BE: +4 mEq/L
, Based on this information, what should be recommended?
A. Intubate and mechanically ventilate
B. IPPB with normal saline
C. CPAP
D. IS aggressively - correct answer ✔✔A. Intubate and mechanically ventilate
A 40 year old patient with pneumonia is sitting up in bed and has a respiratory rate of 30/min
with a regular pattern. Accessory muscles of ventilation are being used. The respiratory
therapist would determine her breathing pattern to be
A. Kussmaul's respiration
B. Cheyne-Stokes respiration
C. Tachypnea
D. Eupnea - correct answer ✔✔C. Tachypnea
After a combination transcutaneous O2 and CO2 monitor is removed from the thigh of a
preterm neonate, a red circle is seen on the skin. The respiratory therapist would conclude that
A. The measured values are not reliable
B. The unit is operating normally
C. The patient has been burned
D. A pulse oximeter should be used instead - correct answer ✔✔B. The unit is operating
normally
An 8-year-old child with pneumonia who weighs 30 kg (66 lb) is receiving mechanical
ventilation. Relevant data follow: