Airway Management Chapter 11

In which of the following patients would the head tilt-chin lift maneuver be the MOST appropriate method of opening the airway? A. a 37-year-old female who is found unconscious in her bed. B. a 50-year-old male who is unconscious following head trauma. C. a 24-year-old male who is found unconscious at the base of a tree. D. a 45-year-old male who is semiconscious after falling 20 feet.

A. a 37-year-old female who is found unconscious in her bed.

Which of the following patients would MOST likely require insertion of an oropharyngeal airway? A. a 40-year-old unconscious patient with slow, shallow respirations. B. a 51-year-old confused patient with severely labored respirations. C. a 33-year-old semiconscious patient with reduced tidal volume. D. a 64-year-old conscious patient with rapid and deep respirations.

A. a 40-year-old unconscious patient with slow, shallow respirations.

What occurs when a patient is breathing very rapidly and shallowly? A. air moves primarily in the anatomic dead space and does not participate in pulmonary gas exchange. B. minute volume increases because of a marked increase in both tidal and respiratory rate. C. the majority of tidal volume reaches the lungs and diffuses across the alveolar-capillary membrane. D. air is forcefully drawn into the lungs due to the negative pressure created by the rapid respirations.

A. air moves primarily in the anatomic dead space and does not participate in pulmonary gas exchange.

Your protocols state that during the first few minutes of working on a cardiac arrest patient, you should provide passive ventilation. This means that you will: A. allow recoil of the chest between compressions to draw air into the lungs. B. ventilate with a bag-valve mask that is not attached to oxygen. C. deliver positive-pressure ventilation are a rate of only 5 or 6 breaths/min. D. time your positive-pressure ventilations to occur during chest recoil.

A. allow recoil of the chest between compressions to draw air into the lungs.

High-flow oxygen with a nasal cannula during the pre oxygenation phase of endotracheal intubation is called: A. apneic oxygenation. B. denitrogenation. C. active ventilation. D. passive ventilation.

A. apneic oxygenation.

You are ventilating a 40-year-old uninjured man who is apneic but has a pulse. When your partner reassesses his blood pressure, she notes that he has a decreased significantly from previous readings. You should: A. reduce the rate or volume of the ventilations you are delivering. B. perform a head-to-toe assessment to look for signs of bleeding. C. increase the volume of your ventilations and reassess his blood pressure. D. increase the rate at which you are ventilating and reassess his blood pressure.

A. reduce the rate or volume of the ventilations you are delivering.

A man was found unresponsive in his bed at home. There is no evidence of injury, and the patient's medical history is not known. The patient's face is cherry red, yet the pulse oximeter reads 98%. Which of the following would MOST likely explain this? A. carbon monoxide poisoning. B. increased body temperature. C. cold extremities. D. Severe pulmonary edema.

A. carbon monoxide poisoning.

Which of the following is a late sign of hypoxia? A. cyanosis. B. anxiety. C. restlessness. D. tachycardia.

A. cyanosis.

Which of the following would NOT cause a decrease in tidal volume? A. deep respirations. B. agonal breathing. C. shallow breathing. D. irregular breathing.

A. deep respirations.

The purpose of the pin-indexing system for compressed gas cylinders is to: A. ensure that the correct regulator is used for the cylinder. B. reduce the cylinder pressure to a safe and more useful range. C. help you determine what type of oxygen regulator to use. D. prevent destroying or stripping the threads on the cylinder.

A. ensure that the correct regulator is used for the cylinder.

The presence of elevated carbon monoxide levels on the blood is called: A. hypercarbia. B. hypoxia. C. acidosis. D. hypoexemia.

A. hypercarbia.

Which of the following statements regarding oxygenation and ventilation is correct? A. in mines or confined places, where oxygen levels are low, ventilation may continue despite inadequate oxygenation. B. in carbon monoxide (CO) poisoning, ventilation is impaired because CO binds to oxygen very quickly. C. oxygenation is the movement of air into and out of the lungs, whereas ventilation is the exchange of gases. D. oxygenation without adequate ventilation can occur in climbers who quickly ascend to an altitude of lower atmospheric pressure.

A. in mines or confined places, where oxygen levels are low, ventilation may continue despite inadequate oxygenation.

Which of the following would cause an increase in the amount of exhaled carbon dioxide? A. increased cardiac output. B. excessive ventilation. C. cardiopulmonary arrest. D. anaerobic metabolism.

A. increased cardiac output.

All of the following will help minimize the risk of gastric distention when ventilating an apneic patient with a bag-mask device, EXCEPT: A. increasing the amount of delivered tidal volume. B. delivering each breath over 1 second. C. ventilating the patient at the appropriate rate. D. ensuring the appropriate airway position.

A. increasing the amount of delivered tidal volume.

The hypoxic drive is influenced by: A. low blood oxygen levels. B. high blood carbon dioxide levels. C. high blood oxygen levels. D. low blood carbon dioxide levels.

A. low blood oxygen levels.

Which of the following statements regarding oxygen is correct? A. oxygen supports the combustion process and may cause a fire. B. oxygen is flammable and ,ay explode if under high pressure. C. oxygen cylinders must always remain in an upright position. D. oxygen is most safety administered in an enclosed environment.

A. oxygen supports the combustion process and may cause a fire.

A 71-year-old male is semiconscious following a sudden, severe headache. There is vomitus on his face, and his respirations are slow and shallow. The EMT must immediately: A. perform oropharyngeal suctioning. B. apply oxygen via a non-rebreathing mask. C. insert a nasopharyngeal airway. D. begin assisting the patient's ventilations.

A. perform oropharyngeal suctioning.

AN unconscious patient found in a prone position must be places in a supine position in case he or she: A. requires CPR. B. regains consciousness. C. has increased tidal volume. D. begins to vomit.

A. requires CPR.

The EMT should assess a patient's tidal volume by: A.observing for adequate chest rise. B.assessing the facial area for cyanosis. C.counting the patient's respiratory rate. D.measuring the patient's oxygen saturation.

A.observing for adequate chest rise.

During insertion of an oropharyngeal airway into an unconscious patient, she begins to vomit. The first thing you should do is: A.turn the patient on her side. B.remove the airway at once. C.suction the patient's mouth. D.use a smaller-sized oral airway.

A.turn the patient on her side.

You are performing bag-mask ventilations with oxygen connected and set at a flow rate of 15 L/min. What percentage of oxygen are you delivering? A. 55%. B. Nearly 100%. C. 45%. D. 65%.

B. Nearly 100%.

Which of the following patients should you place in the recovery position? A. a 24-year-old unconscious female who overdosed and has reduced tidal volume. B. a 31-year-old semiconscious male with low blood sugar and adequate breathing. C. a 40-year-old conscious female with a possible neck injury and regular respirations. D. a 19-year-old conscious male with a closed head injury and normal respirations.

B. a 31-year-old semiconscious male with low blood sugar and adequate breathing.

Gas exchange in the lungs is facilitated by: A. water or blood within the alveoli. B. adequate amounts of surfactant. C. pulmonary capillary constriction. D. surfactant-destroying organisms.

B. adequate amounts of surfactant.

The primary waste product of aerobic metabolism is: A. pyruvic acid. B. carbon dioxide. C. adenosine triphosphate. D. lactic acid.

B. carbon dioxide.

Oxygen toxicity is a conditions in which: A. decreased levels of oxygen in the blood result in free radical production. B. cellular tissue damage occurs from excessive oxygen levels in the blood. C. significantly low levels of oxygen in the blood damage the cellular tissue. D. excessive blood oxygen levels cause the hypoxic patient to stop breathing.

B. cellular tissue damage occurs from excessive oxygen levels in the blood.

CPAP is indicated for patients who: A. are hypotensive and have a marked reduction in tidal volume. B. have pulmonary edema and can follow verbal commands. C. have signs of pneumonia but are breathing adequately. D. are unresponsive and have signs of inadequately ventilation.

B. have pulmonary edema and can follow verbal commands.

The MOST significant complication associated with oropharyngeal suctioning is: A. clogging of the catheter with thick secretions. B. hypoxia due to prolonged suction attempts. C. oral abrasions with vigorous suctioning. D. vomiting from stimulating the anterior airway.

B. hypoxia due to prolonged suction attempts.

In contrast to inhalation, exhalation: A. occurs when the diaphragm lowers and expels air form the lungs. B. is a passive process caused by increased intrathoracic pressure. C. requires muscular effort to effectively expel air form the lungs. D. is an active process caused by decreased intrathoracic pressure.

B. is a passive process caused by increased intrathoracic pressure.

You are dispatched to a residence where a middle-aged man was found unconscious in his front yard. There are no witnesses who can tell you what happened. You find him in a prone position; his eyes are closed and he is not moving. Your FIRST action should be to: A. open his airway with a jaw-thrust maneuver. B. log roll him as a unit to a supine position. C. assess the rate and quality of his breathing. D. palpate fro the presence of a carotid pulse.

B. log roll him as a unit to a supine position.

Which of the following statements regarding breathing adequacy is correct? A. patients with a grossly irregular breathing pattern usually do not require assisted ventilation. B. patients breathing shallowly may require assisted ventilation despite a normal reparatory rate. C. a patient with slow respirations and adequate depth will experience an increase in minute volume. D. the single most reliable sign of breathing adequacy un the adult is his or her reparatory rate.

B. patients breathing shallowly may require assisted ventilation despite a normal reparatory rate.

The MOST serious complication associated with using a nasopharyngeal airway in a patient with trauma to the head or face is: A. fracturing the septum. B. penetrating the cranium. C. damaging the turbines. D. causing severe bleeding.

B. penetrating the cranium.

Which of the following factors will cause a reduction ion in minute volume in an adult? A. respirations of 20 breaths/min. B. shallow breathing. C. increased tidal volume. D. slight increase in reparatory rate.

B. shallow breathing.

A nasopharyngeal airway is inserted: A. with the bevel pointing downward if inserted into the left nare. B. with the bevel facing the septum if inserted into the right nare. C. into the larger nostril with the tip pointing away from the septum. D. into the smaller nostril with the tip following the roof of the nose.

B. with the bevel facing the septum if inserted into the right nare.

Breathing is controlled by an area in the: A.lungs. B.brainstem. C.spinal cord. D.diaphragm.

B.brainstem.

You and your partner are ventilating an apneic adult when you notice that his stomach is becoming distended. You should: A.suction his airway for up to 15 seconds. B.reposition his head. C.increase the rate and volume of your ventilations. D.decrease your ventilation rate but use more volume.

B.reposition his head.

Signs of adequate breathing in the adult include all of the following, EXCEPT: A.pink, warm, dry skin. B.shallow chest rise. C.symmetrical chest movement. D.a respiratory rate of 16 breaths/min.

B.shallow chest rise.

The pressure of gas in a full cylinder of oxygen is approximately __________ pounds per square inch (psi). A. 3,000. B. 1,000. C. 2,000. D. 500.

C. 2,000.

When testing a mechanical suctioning unit, you should turn on the device, clamp the tubing, and ensure that it generated s vacuum pressure of more than: A. 200 mm Hg. B. 100 mm Hg. C. 300 mm Hg. D. 400 mm Hg.

C. 300 mm Hg.

With a good mask-to face seal and oxygen flow rate of 15 L/min, the nonrebreathing mask is capable of delivering up to __________% inspired oxygen. A. 70. B. 80. C. 90. D. 100.

C. 90.

Irregular respirations characterized by an increasing rate and depth of breathing followed by periods of apnea are called: A. ataxic respirations. B. eupneic respirations. C. Cheyne-Stokes respirations. D. agonal respirations.

C. Cheyne-Stokes respirations.

The jaw-thrust maneuver is used to open the airway of patient with suspected: A. mandibular fractures. B. copious oral secretions. C. cervical spine injuries. D. upper airway swelling.

C. cervical spine injuries.

Which of the following patients is breathing adequately? A. an unconscious 52-year-old female with snoring respirations and cool, pale skin. B. a conscious female with facial cyanosis and rapid, shallow respirations. C. a conscious male with respirations of 19 breaths/min and pink skin. D. a conscious male with respirations of 18 breaths/min and reduced tidal volume.

C. a conscious male with respirations of 19 breaths/min and pink skin.

A ventilation/perfusion (V?Q) mismatch occurs when: A. ventilation is inadequate due to a traumatic injury or medical condition, which results in an impairment in pulmonary gas exchange. B. a traumatic injury or medical condition impairs the body's ability to effectively bring oxygen into the lungs and remove carbon dioxide form the body. C. a disruption in blood flow inhibits the exchange of oxygen and carbon dioxide in the lungs, even though the alveoli are filled with fresh oxygen. D. ventilation is compromised, resulting in the accumulation of carbon dioxide in the bloodstream, alveoli, and the tissues and cells of the body.

C. a disruption in blood flow inhibits the exchange of oxygen and carbon dioxide in the lungs, even though the alveoli are filled with fresh oxygen.

During your assessment of a patient with respiratory distress, you hear wheezing when listening to breath sounds. This indicates: A. fluid in the alveoli. B. secretions in the airway. C. a lower airway obstruction. D. swelling of the upper airway.

C. a lower airway obstruction.

Which of the following is the MOST reliable indicator of adequately performed bag-mask ventilations in an apneic adult with a pulse? A. decreased compliance when squeezing the bag. B. an adult's heart rate that us consistently increasing. C. adequate rise of the chest when squeezing the bag. D. twenty breaths/min being delivered to the adult.

C. adequate rise of the chest when squeezing the bag.

Which of the following statements regarding the one-person bag-mask technique is correct? A. the bag-mask device delivers more tidal volume and a higher oxygen concentration than the mouth-to-mask device. B. the C-clamp method of holding the mask to the face is not effective when ventilating a patient with a bag-mask device. C. adequate tidal volume is often difficult to achieve when one EMT us operating the bag-mask device. D. bag-mask ventilations should be delivered every 2 seconds when the device is being operated by one person.

C. adequate tidal volume is often difficult to achieve when one EMT us operating the bag-mask device.

A 5-year-old female presents with a sudden onset of difficulty breathing. She is conscious and alert and able to seek in complete sentences. Her respirations are 22 breaths/min and regular. You should: A. perform a secondary assessment and then begin treatment. B. assist her ventilations with a bag-mask device. C. administer oxygen via a non-rebreathing mask. D. insert a nasal airway in case her mental status decreases.

C. administer oxygen via a non-rebreathing mask.

The actual exchange of oxygen and carbon dioxide occurs in the: A. bronchioles. B. apex of the lung. C. alveolar sacs. D. pulmonary capillaries.

C. alveolar sacs.

You are delivering oxygen to a patient with a nasal cannula at 4 L/min when he begins to complain of a burning sensation in his nose. You should: A. remove the nasal cannula. B. apply a nonrebreathing mask. C. attach an oxygen humidifier. D. increase the flow rate to 6 L/min.

C. attach an oxygen humidifier.

Which of the following structures is NOT found in the upper airway? A. oropharynx. B. pharynx. C. bronchus. D. larynx.

C. bronchus.

The nasopharyngeal airway is MOST beneficial because it: A. effectively maintains the airway of a patient in cardiopulmonary arrest. B. is generally well tolerated in conscious patients with an intact gag reflex. C. can maintain a patent airway in a semiconscious patient with a gag reflex. D. can effectively stabilize fractured nasal bones if it is inserted properly.

C. can maintain a patent airway in a semiconscious patient with a gag reflex.

To select the proper size oropharyngeal airway, you should measure form the: A. corner of the mouth to the superior ear. B. center of the mouth to the posterior ear. C. corner of the mouth to the earlobe. D. angel of the jaw to the center of the mouth.

C. corner of the mouth to the earlobe.

Inhalation occurs when the: A. diaphragm and intercostal muscled relax and cause an increase in intrathoracic pressure. B. diaphragm and intercostal muscles ascend and cause an increase in intrathoracic pressure. C. diaphragm and intercostal muscles contract and cause a decrease in itrathoracic pressure. D. diaphragm ascends and the intercostal muscles contract, causing a decrease in intrathoracic.

C. diaphragm and intercostal muscles contract and cause a decrease in itrathoracic pressure.

A 37-year-old male has an apparent foreign body airway obstruction. He is conscious and alert and is coughing forcefully. His skin is pink, warm, and moist. The MOST appropriate treatment for this patient includes: A. a series of abdominal thrusts. B. a series of black bows and chest thrusts. C. encouraging him to cough and transporting. D. finger sweeps to remove the obstruction.

C. encouraging him to cough and transporting.

Which of the following structures is contained within the mediastinum? A. larynx. B. bronchioles. C. esophagus. D. lungs.

C. esophagus.

Based on current guidelines, in which of the following situations should supplemental oxygen be administered? A. any diabetic patient whose oxygen saturation is less Tham 98%. B. signs of myocardial infraction and an oxygen saturation of 97%. C. exposure to carbon monoxide and an oxygen saturation of 94%. D. any elderly patient whose oxygen saturation is less than 95%.

C. exposure to carbon monoxide and an oxygen saturation of 94%.

Hypoxia is MOST accurately defined as: A. high oxygen levels in the tissues and cells. B. an increase in carbon dioxide in the blood. C. inadequate oxygen to the tissues and cells. D. a decrease in arterial oxygen levels.

C. inadequate oxygen to the tissues and cells.

How does CPAP improve oxygenation and ventilation in patients with certain respiratory problems? A. it pushes thick, infected pulmonary secretions into isolated areas of the lung. B. it decreases intrathoracic pressure, which allows more room for lung expansion. C. it forces the alveoli open and increases the concentration of oxygen in the alveoli. D. it prevents alveolar collapse by pushing air into the lungs during inhalation.

C. it forces the alveoli open and increases the concentration of oxygen in the alveoli.

You are ventilating an apneic woman with a bag-mask device. She has dentures, which are tight-fitting. Adequate chest rise is present with each ventilation, and the patient's oxygen saturation reads 96%. When you reassess the patency of her airway, you note that her dentures are now loose, although your ventilations are still producing adequate chest rise. You should: A. leave her dentures in place, but carefully monitor her for an airway obstruction. B. attempt to replace her dentures so that they fir tightly and resume ventilations. C. remove her dentures, resumes ventilations, and assess for adequate chest rise. D. leave her dentures in place and increase the rate and volume of your ventilations.

C. remove her dentures, resumes ventilations, and assess for adequate chest rise.

Prior to applying a nonrebreathing mask to a patient, you must ensure that the: A. one-way valve is sealed. B. patient has reduces tidal volume. C. reservoir bag is fully inflated. D. flow rate is set at 6 L/min.

C. reservoir bag is fully inflated.

You are ventilating a patient with a stoma; however, air is escaping from the mouth and nose. To prevent this, you should: A. thrust the jaw forward. B. thoroughly suction the stoma. C. seal the mouth and nose. D. ventilate with less pressure.

C. seal the mouth and nose.

While eating dinner, your partner suddenly grabs his throat and has a panicked look on he's face. He is unable to cough and becomes cyanotic around the lips. You should: A. encourage him to cough as forcefully as he can. B. place him in a supine position and open his airway. C. stand behinds him and administer abdominal thrusts. D. deliver up to five back blows and reassess him.

C. stand behinds him and administer abdominal thrusts.

What is the MOST common cause of airway obstruction in an unconscious patient? A. vomitus. B. aspirated fluid. C. the tongue. D. blood clots.

C. the tongue.

The nasal cannula is MOST appropriately used in the prehospital setting: A. if long-term supplemental oxygen administration is required. B. when the patient breathes primarily through his or her mouth. C. when the patient cannot tolerate a nonrebreathing mask. D. if the patients nasopharynx is obstructed by secretions.

C. when the patient cannot tolerate a nonrebreathing mask.

Which of the following statements regarding positive-pressure ventilation is correct? A. to prevent hypotension, the EMT should increase the rate and force of positive-pressure ventilation. B. positive-pressure ventilation allows blood to naturally be pulled back to the heart from the body. C. with positive-pressure ventilation, more volume is required to have the same effects as normal breathing. D. unlike negative-pressure ventilation, positive-pressure ventilation does not affect the esophageal opening pressure.

C. with positive-pressure ventilation, more volume is required to have the same effects as normal breathing.

In which of the following patients would a nasopharyngeal airway be contraindicated? A.A semiconscious patient with a gag reflex B.An unconscious patient with an intact gag reflex C.A patient who fell 20 feet and landed on his or her head D.An unconscious patient who gags when you insert an oral airway

C.A patient who fell 20 feet and landed on his or her head

In an otherwise healthy individual, the primary stimulus to breathe is a(n): A.increased level of oxygen in the blood. B.decreased level of oxygen in the blood. C.increased level of carbon dioxide in the blood. D.decreased level of carbon dioxide in the blood.

C.increased level of carbon dioxide in the blood.

An oxygen cylinder should be taken out of service and refilled when the pressure inside is is less than: A. 200 psi. B. 1,500 psi. C. 1,000 psi. D. 500 psi.

D. 500 psi.

In the presence of oxygen, the cells convert glucose into energy through a process called: A. anaerobic metabolism. B. respiration. C. perfusion. D. aerobic metabolism.

D. aerobic metabolism.

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: A. attempt to insert an oropharyngeal airway. B. apply high-flow oxygen via nonrebreathing mask. C. administer continuous positive airway pressure. D. assist his ventilations with a bag-mask device.

D. assist his ventilations with a bag-mask device.

Intrapulmonary shunting occurs when: A. the presence of pulmonary surfactant causes a decreases in alveolar surface tension, thus impairing the exchange of gases in the lungs. B. any impairment in circulatory function causes a reduced ability for oxygen and carbon dioxide to diffuse across the alveolar-capillary membrane. C. a decrease in reparatory rate and depth causes carbon dioxide accumulation in the alveoli an dam overall decrease in blood oxygen levels. D. blood coming form the right side of the heart bypasses nonfunctional alveoli and returns to the left side of the heart in an unoxygenated state.

D. blood coming form the right side of the heart bypasses nonfunctional alveoli and returns to the left side of the heart in an unoxygenated state.

Which of the following oxygen flowmeters is NOT affected by gravity and can be used in any position when attached to an oxygen cylinder? A. ball-and-float flowmeter. B. pressure-compensated flowmeter. C. vertical-position flowmeter. D. bourdon-gauge flowmeter.

D. bourdon-gauge flowmeter.

For which of the following conditions would the EMT most likely administer humidified oxygen? A. hypoxia. B. blood loss. C. apnea. D. croup.

D. croup.

The process of exchanging oxygen and carbon dioxide between the alveoli and the blood of the capillaries is called: A. pulmonary ventilation. B. cellular metabolism. C. alveolar ventilation. D. external respiration.

D. external respiration.

Without adequate oxygen, the body's cells. A. begin to metabolize fat, resulting in the production and accumulation of ketoacids. B. rely solely on glucose, which is completely converted into adenosine triphosphate. C. cease metabolism altogether, resulting in carbon dioxide accumulation in the blood. D. incompletely convert glucose into energy, and arctic acid accumulates in the blood.

D. incompletely convert glucose into energy, and arctic acid accumulates in the blood.

You and your partner are caring for a critically injured patient. Your partner is controlling severe bleeding from the patient's lower extremities as you attempt ventilations with a bag-mask device. After repositioning the mask several times, you are unable to effectively ventilate the patient. You should: A. hyperextend the patient's head and reattempt ventilations. B. suction the patient's airway for 30 seconds and reattempt ventilations. C. continue attempted ventilations and transport immediately. D. insert an oropharyngeal airway and reattempt ventilations.

D. insert an oropharyngeal airway and reattempt ventilations.

As the single EMT managing an apneic patient's airway, the preferred initial method of providing ventilations is the: A. mouth-to-mouth technique. B. manually triggered ventilation device. C. one-person bag-valve-mask. D. mouth-to-mask technique with a one-way valve.

D. mouth-to-mask technique with a one-way valve.

Which of the following organs or tissues can survive the longest without oxygen? A. liver. B. heart. C. kidneys. D. muscle.

D. muscle.

A patient who is suspected of being hypoxic and is breathing adequately should be given supplemental oxygen with a: A. bag-mask device. B. nasal cannula. C. mouth-to-mask device. D. non-rebreathing mask.

D. non-rebreathing mask.

Which of the following statements regarding normal gas exchange in the lungs is correct? A. the actual exchange of oxygen and carbon dioxide occurs in the capillaries. B. the oxygen content in the alveoli is highest during the exhalation phase. C. blood that return to the lungs from the body has low levels of carbon dioxide. D. oxygen and carbon dioxide diffuse across the alveolar walls and capillaries.

D. oxygen and carbon dioxide diffuse across the alveolar walls and capillaries.

The diaphragm is innervated by the __________ nerve, which allows it to contract. A. vestibulocochlear. B. vagus. C. hypoglossal. D. phrenic.

D. phrenic.

Proper technique for suctioning the oropharynx of an adult patient includes: A. continuously suctioning patients with copious oral secretions. B. suctioning for up to 1 minute if the patient is well oxygenated. C. removing large, solid objects with a tonsil-tip suction catheter. D. suctioning while withdrawing the catheter from the oropharynx.

D. suctioning while withdrawing the catheter from the oropharynx.

Structures if the lower airway include all of the following, EXCEPT: A. bronchioles. B. the trachea. C. alveoli. D. the epiglottis.

D. the epiglottis.

A patient is found unconscious after falling from a third-floor window. His respirations are slow and irregular. You should: A.place him in the recovery position. B.apply oxygen via a nonrebreathing mask. C.suction his airway for up to 15 seconds. D.assist his breathing with a bag-mask device.

D.assist his breathing with a bag-mask device.

When ventilating an apneic adult with a bag-mask device, you should squeeze the bag: A.until it is empty. B.over a period of 2 seconds. C.at a rate of 20 breaths/min. D.until visible chest rise is noted.

D.until visible chest rise is noted.