Medical Oxygen

Question 1

Medical oxygen is classified as…

Answer 1

Medicinal gas

Question 2

Supplied:

Answer 2

Compressed gas cylinder

Question 3

Characteristics:

Answer 3

Colourless, odourless, tasteless gas essential to respiration. At sea level oxygen makes up approx 10% - 16% of venous blood and 17% - 21% of arterial blood

Question 4

Actions:

Answer 4

Transported from the lunges to the body’s tissues attached to hemoglobin in the red blood cells.
Inhalation/Administration will increase oxygen concentration

Question 5

Indications:

Answer 5

Hypoxia from any cause
Chest pain due to cardiac ischemia
Altered level of consciousness

Question 6

Dosage - Nasal Cannula

Answer 6

1-6 Lpm 24% - 40% O2 concentration

Question 7

Dosage - Simple & Pocket Masks

Answer 7

6-10 Lpm - 40%-60% O2 concentration

Question 8

Dosage - Partial Non-Rebreather (NRB)

Answer 8

10-15 Lpm up to 98% O2 concentration

Question 9

Dosage - BVM

Answer 9

10-15 Lpm up to 100% O2 concentration

Question 10

Dosage - Venturi Masks

Answer 10

4 Lpm 24% - 28% O2 concentration.

8 Lpm 35% - 40% O2 concentration

Question 11

Route

Answer 11

Inhalation

Question 12

Precautions

Answer 12

• Oxygen that is not humidified may dry out or be irritating to mucous membranes
• In some cases of COPD, oxygen administration may reduce the patient’s respiratory drive. Be prepared to assist in ventilations