PFT Exam 1 Questions with Complete Answers
Pulmonary Function test Correct Answer-a group of diagnostic tests that give
information regarding air flow in and out of the lungs, lung volumes and gas
exchange between the lungs and bloodstream
categories of pulmonary function tests Correct Answe...
PFT Exam 1 Questions with Complete Answers
Pulmonary Function test Correct Answer-a group of diagnostic tests that give
information regarding air flow in and out of the lungs, lung volumes and gas
exchange between the lungs and bloodstream
categories of pulmonary function tests Correct Answer-airway function, lung
volumes, DLCO, blood gas/gas exchange tests, exercise tests, metabolic tests
spirometry Correct Answer-a measurement of breathing (or lung volumes)
obstruction Correct Answer-defects are characterized by decrease flow rates
restrictive Correct Answer-defects are characterized by decrease volumes
TLC (total lung capacity) Correct Answer-maximum volume of air that lungs
can contain (6.0L)
VC+ RV
IRV+ERV+ VC
vital capacity Correct Answer-The total volume of air that can be exhaled
after maximal inhalation.
, PFT Exam 1 Questions with Complete Answers
Slow Vital Capacity (SVC) Correct Answer-The maximum volume of air that
can be exhaled slowly after slow maximum inhalation
SVC criteria for acceptability Correct Answer--End-expiratory volume varies
by less than 100 mL for three preceding breaths.
-Volume plateau is observed at maximal inspiration and expiration.
-Two acceptable VC maneuvers should be obtained- volumes within 150 mL
Causes of reduced VC Correct Answer-loss of distinguishable lung tissue,
obstructive lung disease, and reduced chest wall excursion
loss of distensible lung tissue Correct Answer-pneumonia, ateclectasis,
surgical removal
Suboptimal patient effort (caused by pain, motivation)
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