The Nasopharyngeal Airway Is Most Beneficial Because It

A. 5 seconds

Suctioning the oral cavity of an adult should be accomplished within:
Select one:
A. 5 seconds.
B. 10 seconds.
C. 15 seconds.
D. 20 seconds.

C. It helps to maintain a clear airway.

You come upon an unresponsive patient who is not injured and is breathing on her own with a normal rate and an adequate tidal volume. What would be the advantage of placing her in the recovery position?
Select one:
A. It's the preferred position of comfort for patients.
B. It helps to protect the patient's cervical spine when injuries are hidden.
C. It helps to maintain a clear airway.
D. It's easier to load the patient onto the cot from this position.

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

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

A. A conscious male with respiration's of 19 breaths/min and pink skin

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

D. Adequate rise of the chest when squeezing the bag

Which of the following is the MOST reliable indicator of adequately performed bag-valve mask ventilations in an apneic adult with a pulse?
Select one:
A. Twenty breaths/min being delivered to the adult
B. Decreased compliance when squeezing the bag
C. Consistently increasing heart rate
D. Adequate rise of the chest when squeezing the bag

C. Oxygen supports the combustion process and may cause a fire.

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

B. remove the airway and be prepared to suction her oropharynx.

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:
Select one:
A. continue to insert the airway as you suction her oropharynx.
B. remove the airway and be prepared to suction her oropharynx.
C. insert the airway no further but leave it in place as a bite block.
D. select a smaller oropharyngeal airway and attempt to insert it.

C. Bronchus

Which of the following structures is NOT found in the upper airway?
Select one:
A. Larynx
B. Pharynx
C. Bronchus
D. Oropharynx

C. A 31-year-old semiconscious male with low blood sugar and adequate breathing

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

unconscious, not injured, normal respiratory rate with an adequate tidal volume.

what 3 things do you look for before placing someone in the recovery position?

B. dehydration.

All of the following are signs of hypoxia, EXCEPT:
Select one:
A. tachycardia.
B. dehydration.
C. cyanosis.
D. weak pulse.

B. Oxygen and carbon dioxide diffuse across the alveolar walls and capillaries.

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

B. 55%

You are performing mouth-to-mask ventilations with oxygen connected and set at a flow rate of 15 L/min. What percentage of oxygen is your patient receiving?
Select one:
A. 45%
B. 55%
C. 65%
D. 75%

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

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

C. a lower airway obstruction

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

B. ventilation.

The physical act of moving air into and out of the lungs is called:
Select one:
A. diffusion.
B. ventilation.
C. respiration.
D. oxygenation.

C. 6 to 10

After ___________ minutes without oxygen, brain damage is very likely.
Select one:
A. 0 to 4
B. 4 to 6
C. 6 to 10
D. more than 10

C. 300 mm Hg.

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

D. Cheyne-Stokes respirations.

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

C. Patients breathing shallowly may require assisted ventilation despite a normal respiratory rate.

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

B. Air moves primarily in the anatomic dead space and does not participate in pulmonary gas exchange.

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

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

D. All of these answers are correct.

While assisting with respirations, you note gastric distention. In order to prevent or alleviate the distention, you should:
Select one:
A. ensure that the patient's airway is appropriately positioned.
B. ventilate the patient at the appropriate rate.
C. ventilate the patient at the appropriate volume.
D. All of these answers are correct.

C. Oropharyngeal airway

You respond to a construction site and find a worker lying supine in the dirt. He has been hit by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. There is discoloration and distention of his abdomen about the right upper quadrant. He is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds. What method will you use to keep his airway open?
Select one:
A. Nasal cannula
B. Jaw thrust
C. Oropharyngeal airway
D. All of these answers are correct.

C. Oxygen supports the combustion process and may cause a fire.

B. seal the mouth and nose.

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

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

C. the corner of the mouth to the earlobe.

The proper technique for sizing an oropharyngeal airway before insertion is to measure the device from:
Select one:
A. the tip of the nose to the earlobe.
B. the bridge of the nose to the tip of the chin.
C. the corner of the mouth to the earlobe.
D. the center of the jaw to the earlobe.

A. It forces the alveoli open and pushes oxygen across the alveolar membrane.

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