Oxygen Delivery and Respiratory Care Quiz

What is the primary advantage of using a Venturi mask for oxygen delivery?

• Comfort for the patient

• Precise control of oxygen concentration

• Portability

• Low cost

Which method provides a non-invasive estimate of a client’s oxygen saturation?

• Arterial blood gas (ABG)

• Pulse oximetry

• Chest X-ray

• Respiratory rate

Which position should be avoided to promote lung expansion in a client with dyspnea?

• High Fowler’s

• Supine

• Lateral

• Sitting upright

Why should petroleum jelly be avoided near clients receiving oxygen therapy?

• It causes skin irritation

• It is flammable

• It reduces oxygen absorption

• It blocks nasal passages

What is the main function of a non-rebreather mask?

• Deliver low concentration oxygen

• Deliver high concentration oxygen

• Humidify room air

• Filter airborne particles

Which of the following should be assessed first in a client with suspected hypoxia?

• Blood pressure

• Respiratory rate

• Temperature

• Pulse

A client with asthma is wheezing and short of breath. What is the nurse’s priority action?

• Administer corticosteroids

• Encourage pursed-lip breathing

• Administer short-acting bronchodilator

• Obtain sputum culture

Which of the following is a sign of hypoxemia?

• Bradycardia

• Cyanosis

• Tachypnea

• All of the above

What is the oxygen concentration delivered by a nasal cannula at 2L/min?

• 21%

• 24%

• 28%

• 35%

Which of the following is NOT a sign of hypoxemia?

• Bradycardia

• Cyanosis

• Tachypnea

• Hypertension