FiO2s Flow Rate, Particle Size, Memorizations

Question 1

FiO2 for Nasal Cannula

Answer 1

.24 - .40

Question 2

Flow Rate for Nasal Cannula

Answer 2

1/4 - 6 LPM (8 is a stretch)

> 4 has to be humidified

Question 3

FiO2 for Simple Mask

Answer 3

.35 - .50

Question 4

Flow Rate for Simple Mask

Answer 4

5 - 10 LPM

Question 5

FiO2 Partial Rebreathing Mask

Answer 5

.40 - .70 (AARC)

Question 6

Flow Rate Partial Rebreathing Mask

Answer 6

6 - 10 LPM

Question 7

FiO2 Nonrebreathing Mask

Answer 7

.60 - .80 (AARC)

Question 8

Flow Rate Nonbreathing Mask

Answer 8

6 - 10 LPM

Question 9

FiO2 Venturi Mask

Answer 9

.24 - .50

Question 10

Flow Rate for Venturi Mask

Answer 10

> 60 LPM

Question 11

Particle Size for Upper Airways

Answer 11

5 - >50 um

Question 12

Particle Size for Lower Airways

Answer 12

2 - 5 um

Question 13

Particle Size for Lung Parenchyma

Answer 13

1 - 3 um

Question 14

Particle Size for Parenchyma

Answer 14

< 0.1 um

Question 15

Inertial Impaction Particle Size

Answer 15

Large Particles >5 um

Question 16

Gravimetric Sedimentation Particle Size

Answer 16

Small Particles 1 - 5 um

Question 17

Brownian Diffusion Particle Size

Answer 17

Very Small Particles < 3 um
0.5-1 gets exhaled
< 0.5 um absorbed into the airways

Question 18

How much % of aerosol deposits in the Oropharynx (pMDI)

Answer 18

80%

Question 19

Pulmonary Deposition ranges between..

Answer 19

10-40%

Question 20

pMDI produces particles at a respirable range of..

Answer 20

2 - 6 um

Question 21

How much a Spacer will reduce oral deposition (%)

Answer 21

90%

Question 22

How much a VHC will reduce oral deposition (%)

Answer 22

99%

Question 23

SVN with Simple Reservoir may increase inhaled dose by

Answer 23

5-10%

Question 24

Continuous Nebulizer with Collection reservoir bag may increase inhaled dose by

Answer 24

30-50%

Question 25

Breath actuated nebulizer may increase inhaled dose by

Answer 25

3-4 fold over conventional continuous nebulization

Question 26

USN Aerosol output capability

Answer 26

0.2-1.0 mL/min

Question 27

Vibrating Mesh RDV range

Answer 27

0.1-0.4 mL

Question 28

Active VM MMAD

Answer 28

2-3um

Question 29

PaO2 and SaO2 to indicate O2 Therapy

Answer 29

< 60 mmHg and <90%

Question 30

Periodically Check FiO2 > .40

Answer 30

Within 8 hours

Question 31

Periodically check FiO2 < .40

Answer 31

Within 12 hours

Question 32

Periodically check for Acute MI patient

Answer 32

Within 72 hours

Question 33

Periodically check with COPD patient

Answer 33

Within 2 hours

Question 34

Nares Humidity levels

Answer 34

22º 50% 10 mg/L

Question 35

Hypopharynx humidity levels

Answer 35

29º-32º 95% 28-34 mg/L

Question 36

Trachea humidity levels

Answer 36

32-35º 100% 36-40 mg/L

Question 37

Approx humidity levels for Bubble Humdifier

Answer 37

15-20 mgH2O/L Egan

Per slide: 30-40% of Body humidity

Question 38

HME Simple Condenser efficiency

Answer 38

approx 50%

Question 39

HME Hygroscopic efficiency

Answer 39

Approx 70%

Question 40

HME Hydrophobic efficiency

Answer 40

> 70% and filters microbes

Question 41

IPV Frequency of burst cycles per min

Answer 41

100-300 cycles per min

Question 42

Range of pressure IPV

Answer 42

25-45cmH2O

Question 43

60 breaths =

Answer 43

1 Hz