EMT QUIZ 11
EMT Knowledge Assessment
Test your knowledge on emergency medical services with our comprehensive quiz focused on essential EMT concepts. Whether you're a seasoned professional or a student preparing for certification, this quiz will help you gauge your understanding of critical topics related to oxygen therapy, respiratory assessment, and airway management.
- 20 Multiple Choice Questions
- Instant Feedback on Answers
- Learn and Reinforce Your Skills
A patient who is suspected of being hypoxic and is breathing adequately should be given supplemental oxygen with a:
Nonrebreathing mask
Nasal cannula
Mouth-to-mask device
Bag-mask device
An oxygen cylinder should be taken out of service and refilled when the pressure inside it is less than:
1000 psi
200 psi
1500 psi
500 psi
At a flow rate of 6 L/min, a nasal cannula can deliver an approximate oxygen concentration of up to:
24%
44%
52%
35%
Gas exchange in the lungs is facilitated by:
Adequate amounts of surfactant
Water or blood within the alveoli
Surfactanct-destroying organisms
Pulmonary capillary constriction
High-flow oxygen with a nasal cannula during the pre-oxygenation phase of endotracheal intubation is called:
Passive ventilation
Denitrogenation
Apneic oxygenation
Active ventilation
Irregular respirations characterized by an increasing rate and depth of breathing followed by periods of apnea are called:
Cheyne-stokes respirations
Ataxic respirations
Eupneic respirations
Agonal respirations
Oxygen toxicity is a condition in which:
Excessive blood oxygen levels cause the hypoxic patient to stop breathing
Cellular tissue damage occurs from excessive oxygen levels in the blood
Decreased levels of oxygen in the blood result in free radical production
Significantly low levels of oxygen in the blood damage the cellular tissue
Structures of the lower airway include all of the following except:
Brochioles
The epiglottis
The trachea
Alveoli
The diaphragm is innervated by the ________ nerve, which allows it to contract.
Phrenic
Vestibulocochlear
Vagus
Hypoglossal
The hypoxic drive is influenced by:
High blood oxygen levels
High blood carbon dioxide levels
Low blood oxygen levels
Low blood carbon dioxide levels
The presence of elevated carbon dioxide levels in the blood is called:
Hypoxia
Hypoxemia
Hypercarbia
Acidosis
The pressure of gas in a full cylinder of oxygen is approximately _______ pounds per square inch (PSI).
3000
1000
500
2000
What is the MOSt common cause of airway obstruction in an unconscious patient?
Blood clots
Aspirated fluid
Vomitus
The tongue
Which of the following factors will cause a reduction in minute volume in an adult?
Respirations of 20 breaths/min
Increased tidal volume
Slight increase in respiratory rate
Shallow breathing
Which of the following is a late sign of hypoxia?
Anxiety
Tachycardia
Restlessness
Cyanosis
Which of the following organs or tissues can survive the longest without oxygen?
Heart
Liver
Muscle
Kidneys
Which of the following oxygen flowmeters is NOT affected by gravity and can be used in any position when attached to an oxygen cylinder?
Vertical-position flowmeter
Pressure-compensated flowmeter
Ball-and-float flowmeter
Bourdon-gauge flowmeter
Which of the following patients is breathing adequately?
A conscious male with respirations of 18 breaths/min and reduced tidal volume
A conscious female with facial cyanosis and rapid, shallow respirations
An unconscious 52 year old female with snoring respirations and cool, pale skin
A conscious male with respirations of 19 breaths/min and pink skin
Which of the following structures is NOT found in the upper airway?
Oropharynx
Larynx
Pharynx
Bronchus
With a good mas-to-face seal and an oxygen flow rate of 15 L/min, the non-rebreathing mask is capable of delivering up to ________% inspired oxygen
90
80
70
100
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