Oxygen (O2) Therapy

Question 1

What is the purpose of O2 therapy?

Answer 1

It is done to improve tissue oxygenation.

Question 2

CO2 (Carbon Dioxide)

Answer 2

acid by nature; waste product of the body; important inside the body

Question 3

What is the stimulus for breathing?

Answer 3

CO2: Hypoxic Drive

Question 4

MAJOR CHARACTERISTICS

Answer 4

a) Dry gas

1. ) moistening of the gas - humidify this gas with sterile water
2. ) perform: ORAL CARE
3. ) lubricant: WATER BASED

b) supports COMBUSTION

1. ) place: NO SMOKING SIGN
2. ) check: ELECTRICAL DEVICES
3. ) use: COTTON FABRIC
   - ❌ wool or silk - can cause static electricty!

c) Colorless - prone to leakage!

Question 5

Methods of O2 Delivery

Answer 5

1. Nasal Cannula
2. Simple Face Mask
3. Non-rebreather
4. Venturi Mask

Question 6

NASAL CANNULA

Answer 6

• 24 - 40%
• AKA “nasal prongs”
• commonly used

Question 7

SIMPLE FACE MASK

Answer 7

• 40 - 60%

- both mouth & nose

Question 8

NON-REBREATHER

Answer 8

• 100%

- highest possible amount of O2 delivery

Question 9

ANTIDOTE FOR OXYGEN TOXICITY

Answer 9

Carbon Monoxide

Question 10

VENTURI MASK

Answer 10

• 24 - 40%
• most accurate

❗️BEST USE FOR COPD PT!

Question 11

Nursing Considerations

Answer 11

1.) Assess for hypoxia
• Early Signs: restless, ⬆️ RR, HR, BP
• Late Signs: cyanosis, ⬇️ RR, HR, BOP

2. ) Verify doctor’s orders
   a) 2 - 3 LPM: independent intervention
   b) ⬆️3: dependent

3.) Position: FOWLER’s - for lung expansion

4. ) Regulate O2 flow accurately
   - O2 can cause blindness

Question 12

Oxygen Toxicity can lead to?

Answer 12

BLINDNESS ✨RETROLENTAL FIBROPLASIA✨

• retinal damage leading to irreversible blindness as a result of excessive O2 administration

Question 13

COLOR OF TANKS: GREEN

Answer 13

O2 (Oxygen)

Question 14

COLOR OF TANKS: GRAY

Answer 14

CO2 (Carbon Dioxide)

Question 15

COLOR OF TANKS: YELLOW

Answer 15

compress air

Question 16

COLOR OF TANKS: BROWN

Answer 16

helium

Question 17

COLOR OF TANKS: BLACK

Answer 17

nitrogen

Question 18

COLOR OF TANKS: BLUE

Answer 18

nitroxoside

Question 19

COLOR OF TANKS: RED

Answer 19

Fire Extinguisher