#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
Which gas is primarily responsible for the sensation of breathlessness or air hunger?
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
#7
What is the primary indicator used to assess respiratory distress in a patient?
Heart rate
Blood pressure
Respiratory rate
Body temperature
#8
In the context of mechanical ventilation, what does the term 'PEEP' stand for?
Positive Expiratory End Pressure
Proportional Enhancement of Exhaled Particles
Positive End-Expiratory Pressure
Pressure Equalization for Efficient Pumping
#9
Which of the following is a common complication of prolonged mechanical ventilation?
Hyperventilation
Atelectasis
Oxygen toxicity
Sinusitis
#10
What is the primary purpose of the bronchial hygiene therapy in respiratory care?
Enhancing lung compliance
Preventing airway obstruction
Reducing lung capacity
Increasing respiratory rate
#11
What does the term 'FiO2' stand for in respiratory care?
Fraction of Inspired Oxygen
Functional Internal Oxygen
Full Inhalation Output
Flow of Inhaled Oxygen
#12
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
#13
What is the purpose of the diaphragm in breathing?
Filtering air
Facilitating speech
Increasing lung capacity
Initiating cough reflex
#14
Which of the following is a common side effect of long-term oxygen therapy?
Hypertension
Hypoxemia
Oxygen toxicity
Hypocapnia
#15
What is the primary function of surfactant in the lungs?
Promoting cough reflex
Facilitating gas exchange
Initiating sneezing
Increasing lung compliance
#16
Which respiratory condition is characterized by the collapse of small airways in the lungs?
Atelectasis
Pulmonary embolism
Emphysema
Pneumothorax
#17
What is the primary purpose of pursed-lip breathing?
Increase tidal volume
Reduce respiratory rate
Enhance oxygen diffusion
Promote coughing
#18
Which respiratory condition is characterized by inflammation of the lining of the bronchial tubes?
Pneumonia
Bronchitis
Asthma
Emphysema
#19
Which of the following is a characteristic feature of chronic obstructive pulmonary disease (COPD)?
Persistent cough with sputum production
Rapid improvement in lung function
Hyperventilation
Increased lung elasticity
#20
What is the primary purpose of an incentive spirometer?
Promoting deep breathing and preventing atelectasis
Administering bronchodilators
Measuring lung compliance
Assessing oxygen saturation
#21
Which condition is characterized by inadequate oxygen reaching the tissues and organs in the body?
Hypoxemia
Hypercapnia
Atelectasis
Emphysema
#22
What is the primary goal of non-invasive positive pressure ventilation (NIPPV)?
Decrease oxygen saturation
Improve lung compliance
Prevent intubation
Reduce respiratory rate
#23
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
#24
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
#25
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