RPFT 무료 덤프문제 온라인 액세스

A patient has just finished a 6-minute walk test during which she stopped and rested by leaning against a wall several times, while catching her breath. Which of the following should a pulmonary function technologist do?

• A.Document the total distance the patient covered in 6 minutes.
• B.Repeat the test with supplemental oxygen after the patient is fully rested.
• C.Subtract the time spent at rest and report the distance walked during the time spent walking.
• D.Report that the patient was unable to complete a standard 6-minute walk test.

While assessing a patient's expired gases at rest prior to exercise, a pulmonary function technologist calculates the RER as 0.6. Which of the following is the most likely explanation?

• A.The patient is hyperventilating
• B.A gas analyzer is malfunctioning
• C.The expired gas is contaminated with air
• D.The patient has an elevated VDAVT

A treadmill is set so that the belt rises 1 ft in a horizontal distance of 10 ft at 3 mph. The percent grade indicator should read

• A.3.0%
• B.1.0%
• C.30.0%
• D.10.0%

A 9-year-old girl had an FVC of 2.35 L1 year ago. She was 122 cm (4 ft) tall and weighed 29.5 kg (65 lb).
Her current height is 127 cm (4 ft 2 in), and her weight is 34 kg (75 lb). The current FVC measurement is 2.20
L. The quality of both tests met ATS/ERS goals. A pulmonary function technologist should conclude the change is

• A.Significant since a decline is not expected.
• B.Significant since her weight has changed.
• C.Not significant since it is less than a 15% decrease.
• D.Not significant since it is within normal test variability.

During exercise, a subject's oxygen consumption increases out of proportion to his cardiac output. This is due to an increase in

• A.Coronary blood flow
• B.Oxygen extraction.
• C.Anaerobic metabolism
• D.Alveolar ventilation