PFT

Question 1

thermistors measure..

Answer 1

1. Vt
2. FVC
3. FEV t

Question 2

vane respirometer measures..

Answer 2

1. Vt
2. MV
3. VC

*RSBI (MVxRR)

Question 3

flow measurement devices

Answer 3

1. vane respirometer
2. thermistor
3. pneumotachometer
4. sonic sensors

Question 4

stead-wells spirometer measures..

Answer 4

1. Vt
2. VC
3. FEV1
4. MVV

Question 5

decreased DLCO

Answer 5

decreased surface area/thickening of membrane

1. O2 toxicity
2. edema
3. ARDS
4. sarccoidosis
5. pulm fibrosis
6. asbestosis
7. emphysema*

Question 6

DLCO test

Answer 6

0.3% CO
10% He

*norm 25-30ml/min/mmHg

Question 7

gas distribution tests

Answer 7

1. single-breath nitrogen elimination

2. nitrogen washout

Question 8

increased TLC

Answer 8

emphysema

Question 9

decreased TLC

Answer 9

1. atelectasis
2. pulmonary edema
3. consolidation

Question 10

decreased VC

Answer 10

1. pneumonia
2. atelectasis.pulmonary edema
3. pulmonary fibrosis
4. kyphoscoliosis
5. lung cancer

Question 11

flow volume loop measures..

Answer 11

1. FVC
2. PIFR
3. PEFR
4. FEF%

Question 12

flow tests

Answer 12

FVC method

1. FEV1
2. FEF200-1200
3. FEF25-75
4. PEFR

Question 13

volume tests

Answer 13

1. simple spirometry
2. helium dilution
3. nitrogen washout
4. body plethysmography

Question 14

simple spirometry

Answer 14

measures volumes and capacities expect for RV, FRC and TLC