Pft Assessment Questions Ch 9

Front 1

1. Which of the following is not a stated purpose of PFT?
Documenting the progression of pulmonary disease, evaluating the probability of getting a pulmonary disease, identify the risk of postoperative complications, to assess the patient’s qualifications for disability

Back 1

Evaluating the probability of getting a pulmonary disease

Front 2

2. The tracing obtained from a PFT is called what?

Back 2

Spirogram

Front 3

3. Which of the following factors is the least important in predicting PFT measurements?(weight, age, gender, height)

Back 3

weight

Front 4

4. Which of the following pieces of standard PFT equipment is (are) used to determine TLC & resistance of the airway? (body plethsmography, spirometry , diffusion systems, all the above)

Back 4

body plethsmography

Front 5

5. Which of the follow3ing is true regarding VT? (normally 4-5L, normally 50%of TLC, defined as the volume inhaled & exhaled during quiet breathing, it is increased in restrictive lung disease

Back 5

defined as the volume inhaled & exhaled during quiet breathing

Front 6

6. What is the normal range for minute volume ina patient at rest? (2-5L/min, 4-12L/min, 5-15L/min, 6-12L/min)

Back 6

4-12L/min

Front 7

7. What is the term used to describe the volumes of gas that can be exhaled maximally after a full inspiration? (TLC, VC, FRC, ERV)

Back 7

VC

Front 8

8. What 2 volumes will add up to the TLC?(SVC&RV, RV&IC, VT&FRC, IC&ERV)

Back 8

SVC&RV

Front 9

9. Which of the following techniques used to measure TLC is NOT done in the PFT lab? (nitrogen washout, body box, helium dilution, XR planimetry)

Back 9

XR planimetry

Front 10

11. Open circuit nitrogen washout can be helpful in measuring which of the following? (RV, TLc, FRC, all the above)

Back 10

all of the above

Front 11

12. What volume is obtained by subtracting the VC from the TLC? (RV, Vt, IRV, ERV)

Back 11

RV

Front 12

14. What % of the FVC is normally exhaled in the first second? (50, 65, 75, 85)

Back 12

75

Front 13

15. Your patient has asthma. What pulmonary function test would be most useful to monitor the patient’s day to day status & need for treatment? (FEV1, PEF, FEV3, FVC)

Back 13

PEF

Front 14

16. Which of the following PFT results gives you the highest degree of confidence that your patient is at low risk for pulmonary complications after abdominal surgery? (Norm VC, Norm FEV1, Norm MVV, Norm IC)

Back 14

Norm MVV

Front 15

17. Which of the following PFT results in most indicative of a positive response to bronchodilators? (FEV1 increases 300mL, FVC increases 100 mL, IC increases 300mL, FRC decreases 100mL)

Back 15

FEV1 increases 300mL

Front 16

18. Which of the following is true regarding DLCO? (it is increased in emphysema, it uses 0.4%CO2 as a test gas, it decreases with decreasing lung surface area, anemia normally does not affect it)

Back 16

it decreases with decreasing lung surface area

Front 17

19. Which of the following conditions is associated with an increase in lung compliance? (atelectasis, pneumonia, pulmonary fibrosis, emphysema)

Back 17

emphysema

Front 18

20. Which of the following exercise tests is useful in determining coronary artery disease? (Ventilatory capacity, exercise DLCO, stress electrocardiograph, anaerobic threshold)

Back 18

stress electrocardiograph

Front 19

21. Which of the following is true regarding bronchoprovocation testing? (it is used to test of occult asthma, methacholine is commonly used as a brronchoprovocation agent,Histamine is commonly used as a bronchoprovocation agent, all of the above)

Back 19

histamine is commonly used as a bronchoprovocation agent

Front 20

22. What condition is associated with fluttering in the expiratory limb of the flow volume loop? (pneumonia, OSA, emphysema, atelectasis)

Back 20

OSA

Front 21

23. Which of the following are consistent with obstructive lung disease? (increased expiratory flows, decreased expiratory flows, decreased lung volumes & flows, increased lung volumes & flows)

Back 21

Decreased expiratory flows

Front 22

24. Which of the following is true regarding restrictive lung disease? (it is characterized by reduced lung volumes on the PFT, it can be caused by obesity, expiratory flows generally are normal, ALL OF THE ABOVE)

Back 22

ALL OF THE ABOVE