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Pulmonary Function Test (PFT) Exam Questions and Answers, Study notes of Biology

Biology

A series of questions and answers related to pulmonary function tests (pfts). It covers topics such as spirometry, lung volume measurements, lung capacity measurements, and the interpretation of spirometry results for obstructive and restrictive lung diseases. The document also includes information on bronchodilator challenges and normal ranges for pft values, making it a useful resource for students studying respiratory physiology or preparing for exams in pulmonology.

Typology: Study notes

2025/2026

Available from 12/12/2025

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EXAM 1 PULMONARY FUNCTION
TEST
What66is66the66most66common66pulmonary66function66test?66-66answer--
Spirometry66and66its66becoming66more66available
what66does66spirometry66measure?66-66answer--Volume
Velocity66of66air66that66can66be66inhaled66and
exhaled66from66a66patient's66lungs.
Whats66the66information66from66spirometry66used66for?66-66answer--
To66diagnose66various66pulmonary66conditions.
What66causes66PFT66results66to66vary66and66are66required66for66accurate66spirometry66i
nterpretation?66-66answer--โ—‹66Age
โ—‹66Gender
โ—‹66Height
โ—‹66Weight
โ—‹66Race
Waht66are66indications66for66spirometry?66-66answer--
Indications66โ—66Detecting66pulmonary66disease
โ—‹66Evaluation66of66dyspnea66โ—‹66Chronic66phlegm66production66โ—‹66Cyanosis66โ—‹66Finger66
clubbing66โ—‹66Abnormal66ABGs66or66CXR
โ—66Assessing66severity66or
progression66of66known66disease66โ—66Risk66stratification66of66patients
for66certain66surgeries
โ—‹66Cardiothoracic66procedures66โ—‹66Others66if66pulmonary66disease
What66are66contraindicaitons66for66spirometry?66-66answer--
โ—66Acute66disorders66affecting66test
performance66(vomiting,66etc)66
โ—66Hemoptysis66
โ—66Pneumothorax66
โ—66Recent66cardiothoracic66or
abdominal66surgery66
โ—66Recent66eye66surgery66(increases66IOP66during66spirometry)66
โ—66Recent66MI66or66unstable66angina66
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Download Pulmonary Function Test (PFT) Exam Questions and Answers and more Study notes Biology in PDF only on Docsity!

EXAM 1 PULMONARY FUNCTION

TEST

What 66 is 66 the 66 most 66 common 66 pulmonary 66 function 66 test? 66 - 66 answer-- Spirometry 66 and 66 its 66 becoming 66 more 66 available what 66 does 66 spirometry 66 measure? 66 - 66 answer--Volume Velocity 66 of 66 air 66 that 66 can 66 be 66 inhaled 66 and exhaled 66 from 66 a 66 patient's 66 lungs. Whats 66 the 66 information 66 from 66 spirometry 66 used 66 for? 66 - 66 answer-- To 66 diagnose 66 various 66 pulmonary 66 conditions. What 66 causes 66 PFT 66 results 66 to 66 vary 66 and 66 are 66 required 66 for 66 accurate 66 spirometry 66 i nterpretation? 66 - 66 answer--โ—‹ 66 Age โ—‹ 66 Gender โ—‹ 66 Height โ—‹ 66 Weight โ—‹ 66 Race Waht 66 are 66 indications 66 for 66 spirometry? 66 - 66 answer-- Indications 66 โ— 66 Detecting 66 pulmonary 66 disease โ—‹ 66 Evaluation 66 of 66 dyspnea 66 โ—‹ 66 Chronic 66 phlegm 66 production 66 โ—‹ 66 Cyanosis 66 โ—‹ 66 Finger 66 clubbing 66 โ—‹ 66 Abnormal 66 ABGs 66 or 66 CXR โ— 66 Assessing 66 severity 66 or progression 66 of 66 known 66 disease 66 โ— 66 Risk 66 stratification 66 of 66 patients for 66 certain 66 surgeries โ—‹ 66 Cardiothoracic 66 procedures 66 โ—‹ 66 Others 66 if 66 pulmonary 66 disease What 66 are 66 contraindicaitons 66 for 66 spirometry? 66 - 66 answer-- โ— 66 Acute 66 disorders 66 affecting 66 test performance 66 (vomiting, 66 etc) 66 โ— 66 Hemoptysis 66 โ— 66 Pneumothorax 66 โ— 66 Recent 66 cardiothoracic 66 or abdominal 66 surgery 66 โ— 66 Recent 66 eye 66 surgery 66 (increases 66 IOP 66 during 66 spirometry) 66 โ— 66 Recent 66 MI 66 or 66 unstable 66 angina 66

โ— 66 Known 66 thoracic 66 aneurysm What 66 are 66466 examples 66 of 66 lung 66 volume 66 measurements? 66 - 66 answer-- โ—‹ 66 Expiratory 66 Reserve 66 Volume 66 (ERV) 66 โ—‹ 66 Inspiratory 66 Reserve 66 Volume 66 (IRV) 66 โ—‹ 66 Residual 66 Volume 66 (RV) 66 โ—‹ 66 Tidal 66 Volume 66 (TV 66 or 66 VT) What 66 are 66466 examples 66 of 66 lung 66 capacity 66 measurements? 66 - 66 answer-- โ—‹ 66 Functional 66 Residual 66 Capacity 66 (FRC) โ—‹ 66 Inspiratory 66 Capacity 66 (IC) โ—‹ 66 Total 66 Lung 66 Capacity 66 (TLC) โ—‹ 66 Vital 66 Capacity 66 (VC) tidal 66 volume 66 graph 66 - 66 answer-- What 66 is 66 the 66 Tidal 66 Volume? 66 - 66 answer--Total 66 volume 66 of 66 air inhaled 66 or 66 exhaled during 66 each 66 relaxed respiration 66 cycle. What 66 is 66 the 66 inspiratory 66 reserve 66 volume? 66 - 66 answer--the maximal 66 volume 66 of 66 air inhaled 66 above 66 normal inspiration. Whats 66 The 66 Inspiratory Capacity? 66 - 66 answer-- The 66 maximal 66 volume 66 of 66 air 66 that 66 can 66 be 66 inhaled 66 above 66 resting exhalation. โ—‹ 66 Tidal 66 Volume 66 + Inspiratory Reserve 66 Volume Whats 66 The 66 Expiratory 66 Reserve 66 Volume 66 (ERV)? 66 - 66 answer--the maximal 66 volume 66 of 66 air that 66 can 66 be 66 exhaled below 66 end-respiratory expiration. โ—‹ 66 Opposite 66 of 66 IRV Whats 66 TheVital 66 Capacity 66 (VC)? 66 - 66 answer--the 66 largest 66 volume 66 of air 66 measured 66 on completed 66 exhalation after 66 full 66 inspiration.

Spirometry 66 patterns 66 from 66 Restrictive 66 Spirometry 66 patterns. What 66 is 66 Forced 66 Expiratory 66 Flow 66 (FEF)? 66 Often 66 reported 66 as 66 the 66 FEF25-75% 66 - 66 answer-- โ— 66 This 66 represents 66 the 66 average 66 forced 66 expiratory 66 flow 66 rate 66 over 66 the 66 middle 665 0% 66 of 66 the 66 FVC. โ—‹ 66 "The 66 mid-expiratory 66 flow 66 rate" โ— 66 It 66 can 66 be 66 helpful 66 to 66 diagnose 66 Obstructive 66 pulmonary 66 patterns. โ—‹ 66 If 66 the 66 FEV1/FVC 66 ratio 66 is 66 normal 66 or 66 only 66 slightly 66 low, but 66 the 66 FEF25-75% 66 is 66 less 66 than 66 60% 66 of 66 the 66 predicted 66 value, 66 an obstructive 66 condition 66 is 66 likely. Normal 66 range 66 of 66 PFT 66 for 66 FEV1? 66 - 66 answer--80-120% 66 of 66 the 66 Predicted Normal 66 range 66 of 66 PFT 66 for 66 FVC? 66 - 66 answer--80-120% 66 of 66 the 66 Predicted Normal 66 range 66 of 66 PFT 66 for 66 FEV1/FVC 66 ratio? 66 - 66 answer-- Greater 66 than 66 0.7 66 and 66 within 66 5% 66 of 66 Predicted Spirogram 66 - 66 answer-- Flow-volume 66 loops 66 - 66 answer-- How 66 do 66 you 66 interpret 66 spirometry 66 for 66 FEV1 66 for 66 obstructive 66 lung 66 disease 66? 66 - 66 answer--Normal 66 (very 66 mild 66 obstruction) 66 or 66 decreased 66 (mod/severe 66 obsruction) How 66 do 66 you 66 interpret 66 spirometry 66 for 66 FVC 66 for 66 obstructive 66 lung 66 disease 66? 66 - 66 answer--Normal 66 (mild/mon 66 obstruction) 66 or 66 decreased 66 (severe 66 obstriction) How 66 do 66 you 66 interpret 66 spirometry 66 for 66 FEV1/ FVC 66 for 66 obstructive 66 lung 66 disease 66? 66 - 66 answer--Decreased 66 (<70%) How 66 do 66 you 66 interpret 66 spirometry 66 for 66 FEV1 66 for 66 restrictive 66 lung 66 disease? 66 - 66 answer--Normal 66 or 66 decreased How 66 do 66 you 66 interpret 66 spirometry 66 for 66 FVC 66 for 66 restrictive 66 lung 66 disease? 66 - 66 answer--Decreased How 66 do 66 you 66 interpret 66 spirometry 66 for 66 FEV1/ FVC 66 Ratio 66 for 66 restrictive 66 lung 66 disease? 66 - 66 answer-- Normal 66 or 66 increased 66 (>69%) What 66 do 66 you 66 look 66 at 66 when 66 interpreting 66 spirometry? 66 - 66 answer-- โ— 66 First 66 look 66 at 66 FEV1/FVC, 66 and 66 then 66 look 66 at 66 FVC.

If 66 the 66 Spirometry 66 suggests 66 an 66 Obstructive 66 ventilatory 66 impairment 66 what 66 should 66 you 66 do? 66 - 66 answer--perform 66 a 66 Bronchodilator 66 challenge. What 66 is 66 a 66 Bronchodilator 66 challenge? 66 - 66 answer-- โ—‹ 66 Administer 66 a 66 bronchodilator 66 in 66 the 66 office, 66 preferably 66 by nebulizer 66 administration. โ— 66 5-15 66 after 66 the 66 bronchodilator 66 treatment, 66 redo 66 the 66 Spirometry 66 testing. What 66 kind 66 of 66 a 66 bronchodilator 66 challenge 66 suggests 66 a 66 reversible 66 obstructive 66 air way 66 disease, 66 such 66 as 66 asthma 66 or 66 exercise 66 induced 66 bronchospasm? 66 - 66 answer-- โ—‹ 66 If 66 there 66 is 66 more 66 than 66 12% 66 increase 66 in 66 FEV1 66 and 6620066 mL 66 increase 66 in 66 F VC, 66 OR 66 a 66 15-25% 66 increase 66 in 66 FEF25-75% What 66 does 66 no 66 change 66 in 66 the 66 bronchodilator 66 challenge 66 mean? 66 - 66 answer-- โ–  66 If 66 no 66 change, 66 likely 66 Emphysema, 66 CF, 66 or 66 Chronic 66 Bronchitis. What 66 does 66 a 66 decreased 66 FEV1 66 (usually), 66 normal 66 or 66 decreased 66 FVC, 66 and decreased 66 FEV1/FVC 66 ratio 66 of 66 0.7 66 or 66 less 66 mean? 66 - 66 answer-- Obstructive 66 pattern 66 disease What 66 does 66 normal 66 or decreased 66 FEV1, 66 a 66 decreased FVC, 66 and 66 a 66 normal 66 or 66 high 66 FEV1/FVC 66 ratio 66 (0.7 66 or 66 more) 66 mean? 66 - 66 answer--Restrictive 66 pattern 66 disease? Interpret 66 when 66 FEV1 66 is 66 approximately 66 45% 66 of 66 predicted, 66 and 66 FVC 66 is 66 75%. 66 And 66 His 66 calculated 66 FEV1/FVC 66 ratio 66 is 66 0.51, 66 or 66 51% 66 of 66 the 66 FVC. 66 - 66 answer-- Obstructive 66 emphasema