#1
What is the primary goal of oxygen therapy in emergency medical treatment?
To prevent hypoxemia
To increase blood pressure
To treat hypercapnia
To reduce respiratory rate
#2
In the context of airway management, what does the acronym 'OPA' stand for?
Oropharyngeal airway
Obstructive pulmonary ailment
Oxygen pressure assessment
Operative positioning aid
#3
In pulse oximetry, what does the SpO2 measurement represent?
Arterial oxygen tension
Fraction of inspired oxygen
Percentage of hemoglobin saturation with oxygen
Respiratory rate
#4
What is the recommended oxygen flow rate for a nasal cannula?
1-2 liters per minute
4-6 liters per minute
8-10 liters per minute
12-15 liters per minute
#5
Which of the following is a sign of inadequate ventilation?
Bradycardia
Hypotension
Tachypnea
Hypothermia
#6
What is the recommended position for the head during intubation to align the oral, pharyngeal, and laryngeal axes?
Neutral position
Head tilt-chin lift
Ramped position
Sniffing position
#7
Which of the following is a common technique used for maintaining a patent airway in unconscious patients?
Head tilt-chin lift maneuver
Tracheostomy
Bag-valve-mask ventilation
Nasopharyngeal airway insertion
#8
What is the recommended oxygen delivery device for patients experiencing severe respiratory distress?
Nasal cannula
Venturi mask
Simple face mask
Non-rebreather mask
#9
Which of the following is a potential complication of nasopharyngeal airway insertion?
Laryngospasm
Epistaxis
Tension pneumothorax
Esophageal perforation
#10
Which of the following is a common indication for non-invasive positive pressure ventilation (NIPPV)?
Hypotension
Pulmonary embolism
Chronic obstructive pulmonary disease (COPD) exacerbation
Hypothermia
#11
What is the purpose of a pulse oximeter probe during oxygenation monitoring?
To measure blood pressure
To assess respiratory rate
To determine heart rate
To estimate oxygen saturation levels
#12
What is the primary advantage of using a Venturi mask for oxygen delivery?
It provides high-flow oxygen delivery
It allows for precise oxygen concentration delivery
It is suitable for use during cardiopulmonary resuscitation (CPR)
It can be used for long-term oxygen therapy
#13
What is the recommended method for confirming correct endotracheal tube placement?
Assessment of breath sounds
Measurement of exhaled carbon dioxide
Chest X-ray
Pulse oximetry
#14
What is the purpose of the Mallampati classification system?
To assess cervical spine stability
To predict difficult intubation
To determine lung compliance
To evaluate upper airway obstruction
#15
What is the primary indication for the use of a supraglottic airway device?
Facilitating endotracheal intubation
Securing a patent airway in a non-breathing patient
Providing mechanical ventilation in acute respiratory failure
Preventing gastric insufflation during bag-valve-mask ventilation
#16
Which of the following is a common complication associated with the use of a nasopharyngeal airway?
Aspiration
Epistaxis
Tracheal stenosis
Esophageal perforation
#17
Which of the following oxygen delivery devices provides the highest FiO2?
Nasal cannula
Simple face mask
Non-rebreather mask
Venturi mask
#18
What is the primary purpose of continuous positive airway pressure (CPAP) therapy?
To assist with weaning from mechanical ventilation
To prevent airway collapse in obstructive sleep apnea
To provide high-flow oxygen therapy in acute respiratory failure
To facilitate endotracheal intubation
#19
Which of the following is a potential complication of bag-valve-mask ventilation?
Hyperventilation
Hypoventilation
Barotrauma
Respiratory alkalosis
#20
What is the purpose of cricoid pressure during intubation?
To facilitate visualization of the vocal cords
To prevent gastric insufflation
To improve oxygenation
To minimize the risk of aspiration
#21
Which of the following is a potential complication of endotracheal intubation?
Pneumothorax
Epiglottitis
Tracheomalacia
Croup
#22
Which of the following is a common complication of prolonged oxygen therapy?
Hypoxemia
Hypercapnia
Oxygen toxicity
Respiratory alkalosis
#23
Which of the following conditions is most likely to require emergent surgical airway management?
Asthma exacerbation
Anaphylaxis
Maxillofacial trauma with airway compromise
Pulmonary embolism
#24
What is the purpose of the Sellick maneuver during rapid sequence intubation?
To assist with laryngoscopy
To reduce the risk of regurgitation and aspiration
To improve oxygenation
To maintain cervical spine immobilization