Define oxygen delivery.
The process of supplying oxygen to patients to maintain adequate oxygenation.
What is the normal oxygen saturation range?
95% to 100% in healthy individuals.
True or false: Nasal cannula delivers oxygen at low flow rates.
TRUE
Typically provides 1 to 6 liters per minute.
Fill in the blank: Simple mask provides _______ oxygen concentration.
40% to 60%
What is a non-rebreather mask used for?
To deliver high concentrations of oxygen, typically 60% to 100%.
Define venturi mask.
A device that delivers a precise concentration of oxygen using color-coded adapters.
What is the purpose of oxygen therapy?
To treat or prevent hypoxia by increasing oxygen levels in the blood.
True or false: Oxygen is flammable.
FALSE
Oxygen supports combustion but does not burn itself.
What is the maximum flow rate for a nasal cannula?
Typically 6 liters per minute.
Fill in the blank: Oxygen toxicity can occur at concentrations above _______.
60%
What is the FiO2 of room air?
Approximately 21% oxygen.
Define hypoxia.
A condition where there is insufficient oxygen in the tissues.
True or false: Oxygen delivery systems require regular maintenance.
TRUE
Regular checks ensure safety and functionality.
What is the purpose of humidification in oxygen therapy?
To prevent drying of the airway when delivering high-flow oxygen.
Fill in the blank: Oxygen concentrators extract oxygen from _______.
Ambient air
What is the recommended position for a patient receiving oxygen?
Sitting upright to facilitate breathing.
Define pulse oximeter.
A device that measures oxygen saturation in the blood non-invasively.
True or false: Oxygen can be delivered via tracheostomy.
TRUE
Oxygen can be administered directly through a tracheostomy tube.
What is the primary concern with oxygen therapy?
Preventing oxygen toxicity and maintaining appropriate flow rates.
Fill in the blank: High-flow nasal cannula can deliver up to _______ liters per minute.
60 liters
What is the role of nurses in oxygen delivery?
To assess, administer, and monitor oxygen therapy effectively.
Define oxygen saturation.
The percentage of hemoglobin binding sites occupied by oxygen.
True or false: Oxygen delivery does not require a physician’s order.
FALSE
Oxygen therapy typically requires a prescription.
What does CPAP stand for?
Continuous Positive Airway Pressure.