Oxygen Devices
How many liters per minute does a nasal cannula typically deliver?
What is 1-6L/min
Restlessness and anxiety are signs of what stage of hypoxia?
What is early hypoxia
High-pitched musical sound on expiration?
What is wheezes
What is the first positioning intervention for a client experiencing dyspnea?
What is raise the head of the bed (High Flowler's position)
Which device provides the most precise FiO2?
What is the Venturi mask
Cyanosis is considered an early or late sign?
What is a late sign
Crackling sounds in bases
What is crackles
Why is coughing and deep breathing encouraged post-operatively?
What is prevents atelectasis and promotes lung expansion
Which device delivers the highest oxygen concentration without intubation?
What is the Non-rebreather mask
Why does hypoxia cause tachycardia?
What is the body compensates to deliver more oxygen to tissues
Absent breath sounds may indicate what?
What is Pneumothorax or severe obstruction
A client's oxygen saturation drops from 96% to 88% What is your first nursing action?
What is Assess the client (check airway, breathing, positioning) before intervening
Why must humidification be added above 4L/min?
What is to prevent drying of mucous membranes
Name two late signs of hypoxia.
What is bradycardia, hypotension, cyanosis, decreased LOC
Stridor indicates what type of obstruction?
What is upper airway obstruction
What safety intervention is required when a client is receiving oxygen therapy?
What is no smoking; post oxygen in use signage; keep away from open flames
Why must oxygen be used cautiously in some COPD clients?
What is the risk of suppressing hypoxic drive and CO2 retention
Why may cyanosis be difficult to detect in dark-skinned clients?
What is skin pigmentation; better assessed in mucous membranes
Why are fine crackles heard in fluid overload?
What is fluid in alveoli
A client with COPD is on 2L nasal cannula and becomes increasingly drowsy. What should the nurse do?
What is Assess respiratory status, check ABG's if ordered; monitor for CO2 retention