Week 1

Question 1

When would PFT be ordered

Answer 1

Dyspnea
Intermittent wheezing
Monitor treatment response

Question 2

Pulmonary function category

Answer 2

Lung volume and capacity

Forced expiratory flow rate and volume

Pulmonary diffusion capacity

Exhaled gas

Test of respiratory muscle strength

Cardiopulmonary exercise testing

Question 3

PFT goals

Answer 3

Detect airflow limitation

Detect restriction

Detect respiratory muscle weakness

Measure changes in function due to:
Treatment
Disease progression

Question 4

What should you know other than meds before PFT

Answer 4

Pulmonary history

Question 5

What is are relevant pulmonary history for PFT

Answer 5

Known disease
Tobacco exposure l
Current meds
Cough
Allergies
Chest surgeries
Occupational exposure

Question 6

Do you need a nose clip when preforming a PFT

Answer 6

It’s optional

Question 7

Variables for PFT values

Answer 7

Height

Weight (> or = 30 BMI)

Gender

Race (Black, Asian, Indian have 12% smaller lung volume)

Question 8

3 phases of FVC/FEV1 spirometry test

Answer 8

Deep inhalation
Blast out
Keep blowing until empty

Question 9

Define TLC

Answer 9

Volume in the lungs after maximum inspiration

Question 10

The difference between the two largest FVC can’t be greater than?

Answer 10

0.150

Question 11

Ho was many FVC can be done

Answer 11

No more than 8 maneuvers

Question 12

A spirometry is acceptable if it is free of

Answer 12

Slow start
Cough during first second
Early termination
Valsalva maneuver (glottic closer)
Leak
Obstructed mouthpiece
Evidence of a extra breath

Question 13

Mild FEV1

Answer 13

> 70%

Question 14

Moderate FEV1

Answer 14

60-69%

Question 15

Moderate server FEV1

Answer 15

50-59%

Question 16

Severe FEV1

Answer 16

35-49%

Question 17

Very severe FEV1

Answer 17

<35%

Question 18

What FVC indicates restriction

Answer 18

A reduced FVC with a normal ratio

Question 19

What is the FEF 25-75%

Answer 19

The mean expiratory flow during half of the FVC maneuver

Question 20

What airways are demonstrated in the FEF 25-75%

Answer 20

Later airways, not necessarily the small AWs

Question 21

How long should you withhold Albuterol for PFT

Answer 21

4 hours

Question 22

How long should you hold LABAs for PFT

Answer 22

12hrs

Question 23

How long should you hold methyxathines for PFT

Answer 23

24hrs

Question 24

How long should you hold atrovent for PFT

Answer 24

4hrs

Question 25

How long should you hold Tiotropium for PFT

Answer 25

24hrs

Question 26

How long should you hold inhaled steroids for PFT

Answer 26

You should not Maintain dosage

Question 27

How long should you wait after giving bronchodilator before redoing PFT

Answer 27

10 minutes

Question 28

What FVC indicates improvement after bronchodilator

Answer 28

Greater than 10%

Question 29

What FEV1 indicates improvement after bronchodilator

Answer 29

Greater than 200mL or >12%

Question 30

What FEF 25-75% indicates improvement after bronchodilator

Answer 30

Greater than 20-30%

Question 31

According to the asthma action plan what indicates the green zone

Answer 31

80-100% personal best

Question 32

According to the asthma action plan what indicates the yellow zone

Answer 32

50-80% personal best

Question 33

According to the asthma action plan what indicates the red zone

Answer 33

Less than percent personal best

Question 34

Describe DLCO test

Answer 34

Patient takes several VT Than exhales to RV Pt. Rapidly and fully inhales gas with 30% CO and an inert gas tracer Pt. holds breath for 10 secs and than exhales for several secs

Question 35

What is a healthy 6 minute walk

Answer 35

400-700 m

Question 36

What is the mild COPD 6 min walk

Answer 36

Greater than 350m

Question 37

What is the moderate COPD 6 min walk

Answer 37

250-349m

Question 38

What is the severe COPD 6 min walk

Answer 38

150-249m

Question 39

What is the very severe COPD 6 min walk

Answer 39

Less or equal 149m

Question 40

Indications for hyperbaric chamber

Answer 40

Anemia Brain abscess Air PE Burn Decompression sickness CO Crush injuries Sudden deafness Gangrene Radiation injury Sudden vision loss

Question 41

Why do you use a hyperbaric chamber

Answer 41

Body needs adequate supply of O2 to function Injured tissue need lots of O2 to survive Increases oxygen to be carried by blood Improved leukocytes function

Question 42

How many treatments does non-healing wounds need in the hyperbaric chamber

Answer 42

20-40

Question 43

How many treatments for CO in the hyperbaric chamber

Answer 43

3

Question 44

Formula for PiO2

Answer 44

FiO2 (PB-humidity)

Question 45

Side effects of HBOT

Answer 45

Physiological response to high pressure Confined chamber can cause psychological damage

Question 46

Fire prevention for HBOT: Fuel

Answer 46

Grease, oil, and petroleum are not allowed Cosmetics and hair-sprays are not allowed Paper and cloth are minimized Fire retardant material used

Question 47

HBOT fir prevention: ignition source

Answer 47

Patients and staff wear 100% cotton garments to reduce static spark and prevent releasing toxic fumes melting onto skin

Question 48

What is the concentration of O2 managed in HBOT

Answer 48

Compressed with air rather than pure O2 Breath O2 through an enclosed hood system that exhaust outside Continuously vent chamber to wash out any O2 that might be leaking from the patient breathing system.

Question 49

How do RTs reduce fire risk

Answer 49

Special ventilator are used in HBOT Use cloth tape to secure tube