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Exam (elaborations)

PFT Exam 1 Questions with Complete Answers

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  • Course
  • Pulmonary Function Tests
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  • Pulmonary Function Tests

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...

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  • August 27, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Pulmonary Function Tests
  • Pulmonary Function Tests
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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



Reduced chest wall excursion Correct Answer-Neuromuscular weakness
(myasthenia gravis)

Chest wall deformity (kyphoscoliosis)

Obesity, pregnancy, ascites

Suboptimal patient effort (caused by pain, motivation)

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