#1
What is the normal range of oxygen saturation in arterial blood?
80-85%
90-95%
96-100%
70-75%
#2
Which of the following devices is commonly used for oxygen therapy?
Spirometer
Ventilator
Nebulizer
Oxygen concentrator
#3
What is the primary function of the respiratory system?
Digestion
Transport of nutrients
Gas exchange
Circulation of blood
#4
Which respiratory condition is characterized by inflammation and narrowing of the airways?
Pneumonia
Asthma
Chronic obstructive pulmonary disease (COPD)
Bronchitis
#5
What is the purpose of the respiratory control center in the brainstem?
Regulating heart rate
Controlling body temperature
Regulating breathing
Managing digestion
#6
What does the term 'FiO2' stand for in respiratory care?
Fraction of Inspired Oxygen
Functional Internal Oxygen
Full Inhalation Output
Flow of Inhaled Oxygen
#7
In mechanical ventilation, what does PEEP stand for?
Positive End-Expiratory Pressure
Pressure Equalization and Expansion Protocol
Peak Expiratory Elevation Pressure
Pulmonary Endurance Enhancement Program
#8
What is the purpose of the diaphragm in breathing?
Filtering air
Facilitating speech
Increasing lung capacity
Initiating cough reflex
#9
Which of the following is a common side effect of long-term oxygen therapy?
Hypertension
Hypoxemia
Oxygen toxicity
Hypocapnia
#10
What is the primary function of surfactant in the lungs?
Promoting cough reflex
Facilitating gas exchange
Initiating sneezing
Increasing lung compliance
#11
Which condition is characterized by inadequate oxygen reaching the tissues and organs in the body?
Hypoxemia
Hypercapnia
Atelectasis
Emphysema
#12
What is the primary goal of non-invasive positive pressure ventilation (NIPPV)?
Decrease oxygen saturation
Improve lung compliance
Prevent intubation
Reduce respiratory rate
#13
What is the primary purpose of a high-flow nasal cannula in respiratory care?
Administering bronchodilators
Providing humidified oxygen at high flow rates
Inducing cough reflex
Measuring lung compliance
#14
What is the primary mechanism by which oxygen is transported in the blood?
Dissolved in plasma
Bound to hemoglobin
Carried by white blood cells
Absorbed by red blood cells
#15
In the context of oxygen delivery, what does the term 'nasal cannula' refer to?
A device for measuring lung capacity
A tool for administering bronchodilators
A device for delivering oxygen through the nose
A ventilator setting for positive pressure support