Atelectasis

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Question 1
Free
Multiple Choice

What definition of atelectasis would best fit that of a premature newborn with respiratory distress syndrome (RDS)?

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A

Partial or total collapse of previously expanded lung regions

B

Free pleural air compressed the lungs

C

Enlarged heart causing compression of the lungs

D

The lungs remaining unexpanded since birth

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Question 2
Free
Multiple Choice

Examples of the types of surgical procedures that often result in atelectasis include all of the following EXCEPT:

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A

open heart surgery.

B

craniotomy.

C

gallbladder removal.

D

splenectomy.

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Question 3
Free
Multiple Choice

Which of the following is the least commonly found type of postoperative atelectasis?

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A

Primary lobule

B

Lung segment

C

Lung lobe

D

Entire lung

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Question 4
Free
Multiple Choice

All of the following conditions can lead to atelectasis EXCEPT:

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A

chronic obstructive pulmonary disease (COPD).

B

acute respiratory distress syndrome (ARDS).

C

pleural effusion.

D

pneumothorax.

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Question 5
Free
Multiple Choice

A patient has a tumor blocking the left mainstem bronchus. What additional factor would favor the development of atelectasis?

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A

Breathing a nitric oxide mix (iNO)

B

Breathing a helium/oxygen mix (heliox)

C

Breathing a high percentage of oxygen

D

Breathing a low percentage of oxygen

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Question 6
Multiple Choice

Which of the following patients should be placed on short-term mechanical ventilation because of the high risk of postoperative atelectasis?

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A
Appendectomy
B
Tracheostomy
C
Bronchoscopy for tumor biopsy
D
Cardiac surgery
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Question 7
Multiple Choice

After gastric bypass surgery, a patient is showing tachypnea. What is the best explanation for this?

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A
Diaphragmatic apraxia
B
Postoperative pain
C
Low-grade fever
D
Anesthetic sedation
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Question 8
Multiple Choice

All of the following would be found in a patient with atelectasis EXCEPT:

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A
normal shunt fraction.
B
whispered pectoriloquy.
C
chest radiograph shows increased density in areas of atelectasis.
D
diminished breath sounds.
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Question 9
Multiple Choice

After surgery, a patient must lie supine in bed. Because of this, atelectasis is thought to have developed. What chest radiograph finding would confirm this?

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A
Depression of the hemidiaphragms
B
Pulmonary interstitial emphysema (PIE)
C
Increased density in both upper lobe areas
D
Increased density in both posterior lower lobe areas
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Question 10
Multiple Choice

Precipitating factors for retained secretions include all of the following EXCEPT:

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A
decreased mucociliary transport.
B
excessive secretions.
C
overhydration.
D
general anesthesia.
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Question 11
Multiple Choice

Several pathophysiologic mechanisms operating simultaneously may lead to an increased ventilatory rate. These may include all of the following EXCEPT:

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A
stimulation of central chemoreceptors.
B
decreased lung compliance-increased ventilatory rate relationship.
C
stimulation of J receptors.
D
pain.
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Question 12
Multiple Choice

The respiratory therapist is performing chest assessment on a post-op cholecystectomy patient who has developed cough, fever, and tachypnea. Which of the following would the therapist expect to find confirming the suspicion of post-op atelectasis in this patient?

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A
Decreased tactile and vocal fremitus
B
Hyperresonant percussion note
C
Bronchial breath sounds
D
Wheezes
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