ANSWERS 100% CORRECT
Prior to obtaining an MEP value with a pressure manometer, the respiratory therapist
notes the needle is pointing at a positive pressure of -4 cmH2O prior to the maneuver.
During the MEP maneuver, the needle reaches 32 cmH2O. The therapist should: -
ANSWER-record an MEP of 36 cmH2O
The results of a V/Q scan shows poor perfusion with adequate ventilation. A chest
radiograph shows a wedge-shaped infiltrate over the right lung field. The patient most
likely has: - ANSWER-a pulmonary embolism
A patient in the emergency room expectorates thick, yellow sputum. A CBC shows the
following:
RBC 6.0 mill/cu mm
Hb 17 g/dL
HCT 64 %
WBC 22,000 cu mm
The patient could benefit most from which of the following? - ANSWER-sputum culture
and sensitivity
An adult male is being suctioned though an 8.0-mm ET tube with a 12 Fr. suction
catheter at a pressure of 90 mmHg. Secretion removal has been ineffective. Which of
the following modifications should be recommended? - ANSWER-increase suction
pressure to 110 mmHg
Which of the following devices is most helpful in performing a safe and proper nasal
intubation? - ANSWER-Magill Forceps
A left-to-right shunt, due to a leaking septum wall in the heart, is best determined by an
increase in mixed venous oxygen saturation. From what location would the respiratory
therapist recommend blood extraction for analysis to determine mixed venous oxygen
saturation? - ANSWER-pulmonary artery
A patient has a sleep study (PSG) which shows an AHI of 50 and an average oxygen
desaturation of 10%. Which of the following should the respiratory therapist
recommend? - ANSWER-CPAP/BIPAP nocturnal titration study
What does AHI mean? - ANSWER-pnea-hypopnea index
An AHI index greater than ___ indicates sleep apnea - ANSWER-AHI greater than 30