OXYGEN THERAPY

Question 1

• a colorless, odorless, tasteless gas
• Slightly heavier than air
• considered as a drug

Answer 1

oxygen

Question 2

administration of oxygen at a concentration greater than that found in the environmental atmosphere (>21%)

Answer 2

oxygen therapy

Question 3

a treatment that provides extra oxygen to the tissues of the body through the lungs & is provided to a patient as a supplement to normal respiration.

Answer 3

oxygen therapy

Question 4

as an emergency measure how much oxygen can a nurse give without physician’s order?

Answer 4

1-2 lpm

Question 5

a decrease in the arterial oxygen tension in the blood

Answer 5

hypoxemia

Question 6

insufficient oxygen anywhere in the body

Answer 6

hypoxia

Question 7

Oxygen by itself will not burn or explode, but it does facilitate ___

Answer 7

combustion

Question 8

what types of fabric do you need to avoid when administering oxygen therapy?

Answer 8

wool and synthetic fabrics

Question 9

usually painted green or has distinctive green markings

Answer 9

oxygen cylinder

Question 10

• includes the pressure gauge, pressure reducing valve & the flow meter
• regulates oxygen pressure

Answer 10

regulator

Question 11

indicates how much oxygen remains in the cylinder

Answer 11

pressure gauge

Question 12

how much is a full tank of oxygen?

Answer 12

at least 2000 psi

Question 13

what psi is a tank considered to be empty?

Answer 13

500 psi

Question 14

• adds water vapor to inspired air
• provides 20% to 40% humidity
• prevents mucous membranes from drying & becoming irritated

Answer 14

humidifer

Question 15

• most common method
• inexpensive
• “nasal prongs”
• delivers 24-45% oxygen at flow rates of 2-6 lpm

Answer 15

nasal cannula

Question 16

• cannot deliver high O2 concentrations
• requires nose breathing

Answer 16

nasal cannula

Question 17

tube made of flexible rubber or plastic for delivering oxygen inserted through the nose into the posterior nasal pharynx

Answer 17

nasal catheter

Question 18

• for mouth breathers and claustrophobic clients
• not appropriate for neonates

Answer 18

nasal catheter

Question 19

how to measure nasal catheter

Answer 19

pt’s nose to the earlobe

Question 20

usual size of nasal catheter

Answer 20

8-10 Fr

Question 21

Various sizes available; delivers higher O2 concentration than cannula

Answer 21

face mask

Question 22

• with side vents; provides a reservoir over the face into which oxygen flows
• 40-60% at 5-8 lpm
• good for short term use

Answer 22

simple mask

Question 23

• with an inflatable bag that stores 100% oxygen
• some CO2 always remains within the mask & is reinhaled
• 50-60% at 6-10 Lpm

Answer 23

partial rebreather mask

Question 24

• with an inflatable bag and one-way valve
• 95-100% at flows of 6-10 Lpm

Answer 24

non-rebreather mask

Question 25

- mask with device that mixes a precise amount of atmospheric air & oxygen to deliver constant oxygen concentration - 24-40% up to 50% at 3-15 Lpm - has wide bore tubing & color coded jet adapters

Answer 25

venturi mask

Question 26

- "face bucket" - soft piece of plastic sits beneath chin, mouth & nose not enclosed by plastic

Answer 26

face tent

Question 27

- "croup tent" - for children beyond early infancy, most likely active toddlers - 30-50% at 4-8 lpm

Answer 27

oxygen tent

Question 28

- a rigid plastic dome that encloses an infant’s head - at least 4 to 5 L/min of flow is needed to maintain oxygen concentrations - Fio2 of up to 100%

Answer 28

oxygen hood

Question 29

___ is needed to gauge the percentage of oxygen delivered in the oxygen hood

Answer 29

oxygen analyzer

Question 30

___ should not be blown directly into the face of an infant in a hood to prevent diving reflex

Answer 30

humidified oxygen

Question 31

made of rubber or silicone, & forms part of the basic life support equipment in all clinical settings

Answer 31

manual resuscitation bags

Question 32

provides positive pressure ventilation & high concentration of oxygen to patient with insufficient inspiratory effort

Answer 32

manual resuscitation bags

Question 33

PaO2 is normally ___mmHg

Answer 33

80-100

Question 34

PaCO2 is normally ___ mmHg

Answer 34

35-45

Question 35

SaO2 is normally ___

Answer 35

98-100 %

Question 36

in administering oxygen by nasal cannula, the neonate / infant's head should be in what position?

Answer 36

in the midline sniffing position

Question 37

the water used for the humidifier in the oxygen hood of an infant should be?

Answer 37

sterile

Question 38

true or false: Encourage family to freely touch & stroke the child & provide auditory & visual stimulation

Answer 38

true

Question 39

formula for oxygen life span computation

Answer 39

(gauge pressure in psi - safe residual pressure (200)) x cylinder constant ______________________________ flow rate in L/min