Which of the following devices can a patient with asthma use in the home to monitor daily varia-tions in Raw?
a. Thermal flowmeter c. Screen pneumo-tachograph
b. Fleisch pneumo-tachograph d. Vortex ultrasonic flowmeter
ANS: C
Screen pneumotachographs are inexpensive, disposable, operate at ambient temperature, and do not require a heating element. The Fleisch pneumotachograph is affected by turbulent airflow, making accurate peak flow readings difficult.
You might also like to view...
Which of the following ventilator parameters would result in the highest mean airway pressure?
a. PIP = 30 cm H2O; PEEP = 10 cm H2O; TI = 0.5 sec; TCT = 5 sec b. PIP = 50 cm H2O; PEEP = 10 cm H2O; TI = 0.5 sec; TCT = 5 sec c. PIP = 30 cm H2O; PEEP = 15 cm H2O; TI = 0.5 sec; TCT = 5 sec d. PIP = 50 cm H2O; PEEP = 10 cm H2O; TI = 0.5 sec; TCT = 5 sec
Because physicians are NOT required to use PCS terminology:
a. coders should query physicians for clarification b. coders must read the physician documentation and equate it to the PCS definitions. c. the facility may lose money if the coder isn't familiar with PCS terminology. d. coders should urge the phys9icians to use PCS terminology anyway.
Which of the following is a natural, multifilament suture classified as nonabsorbable but loses much of its tensile strength in a year and is undetectable in tissues after 2 years?
a. polyester b. polypropylene c. surgical silk d. stainless steel
When compared to the airway at any other stage of life, the infant's airway is:
A. shorter. B. narrower. C. less stable. D. more easily obstructed. E. all of the above