Oxygen therapy

Question 1

Oxygen given by Nasal cannula

Answer 1

2-4 litres for adults and given if patient oxygen is below 90%. With a nasal cannula a nurse should try and maintain the oxygen between
92–94%.

Question 2

Oxygen given by Non-rebreathe mask

Answer 2

Can deliver 70–80% oxygen at 15 l/min

Question 3

Oxygen given by Simple face mask

Answer 3

Can deliver between 40% and 60%

Question 4

Humidified oxygen

Answer 4

Humidification produces a fine mist that is visible inside the mask. Can be given if a patients nose becomes dry with oxygen therapy, so it provides heat and moisture to the oxygen.