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32 Cards in this Set

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A 23-year-old male experienced severe head trauma after his motorcycle collided with an oncoming truck. He is unconscious, has rapid and shallow breathing, and has copious bloody secretions in his mouth. How should you manage his airway?
Alternate 15 seconds of oral suctioning with 2 minutes of assisted ventilation
A patient who is suspected of being hypoxic and is breathing adequately should be given supplemental oxygen with a:
nonrebreathing mask
You have inserted an oral airway and are ventilating an apneic woman with a bag-mask device. She suddenly begins regurgitating large amounts of vomit. You should:
roll her onto her side and remove the oral airway.
Which of the following structures is NOT found in the upper airway?
bronchus
The primary waste product of aerobic metabolism is:
???????
CPAP is indicated for patients who:
have pulmonary edema and can follow verbal commands.
Intrapulmonary shunting occurs when:
blood coming from the right side of the heart bypasses nonfunctional alveoli and returns to the left side of the heart in an unoxygenated state
Proper technique for suctioning the oropharynx of an adult patient includes:
suctioning while withdrawing the catheter from the oropharynx.
The physical act of moving air into and out of the lungs is called:
ventilation
The pressure of gas in a full cylinder of oxygen is approximately _______ pounds per square inch (psi).
2,000
The nasopharyngeal airway is MOST beneficial because it:
can maintain a patent airway in a semiconscious patient with a gag reflex.
The diaphragm functions as an involuntary muscle when a person:
sleeps
Without adequate oxygen, the body's cells:
incompletely convert glucose into energy, and lactic acid accumulates in the blood
Structures of the lower airway include all of the following, EXCEPT the:
epiglottis.
Each cell of the body combines nutrients and oxygen and produces energy and waste products through a process called:
metabolism
Which of the following would NOT cause a decrease in tidal volume?
deep respirations
Tidal volume is defined as the volume of air that:
moves into or out of the lungs in a single breath.
How does CPAP improve oxygenation and ventilation in patients with certain respiratory problems?
It forces the alveoli open and pushes more oxygen across the alveolar membrane.
The nasal cannula is MOST appropriately used in the prehospital setting:
when the patient cannot tolerate a nonrebreathing mask.
You and your partner are treating a 66-year-old man who experienced a sudden onset of respiratory distress. He is conscious but is unable to follow simple verbal commands. Further assessment reveals that his breathing is severely labored and his oxygen saturation is 80%. You should:
assist his ventilations with a bag-mask device.
If ventilation is impaired, carbon dioxide levels in the bloodstream will increase. This condition is called:
hypercarbia.
The hypoxic drive—the primary stimulus to breathe for patients with certain chronic respiratory diseases—is influenced by:
low blood oxygen levels
In contrast to inhalation, exhalation:
is a passive process caused by increased intrathoracic pressure.
he partial pressure of oxygen in the alveoli is _______ mm Hg, while the partial pressure of carbon dioxide in the alveoli is _______ mm Hg.
Answer
104, 40
Which of the following is a late sign of hypoxia?
cyanosis
The leaf-shaped structure located superior to the larynx is called the:
epiglottis.
The __________ cartilage is a firm ring that forms the inferior part of the larynx.
cricoid
Which of the following patients should you place in the recovery position?
31-year-old semiconscious male with low blood sugar and adequate breathing
Which of the following is NOT a possible cause of airway obstruction?
shallow breathing
A 19-year-old female is found unconscious by her roommate. Your primary assessment reveals that her breathing is inadequate. As you insert an oropharyngeal airway, she begins to gag violently. You should
remove the airway and be prepared to suction her oropharynx.
Hypoxia is MOST accurately defined as:
inadequate oxygen to the tissues and cells
Which of the following statements regarding oxygen is correct?
Oxygen supports the combustion process and may cause a fire