To minimize an increased airway resistance produced by high-density
aerosol inhalation, the RT should recommend which of the following?
A. Administer a bronchodilator along with the aerosol
B. Instruct the patient to breathe through the nose
C. Use a heated nebulizer to deliver the aerosol
D. Perform chest physiotherapy after the aerosol treatment - ANS ✓A.
Administer a bronchodilator along with the aerosol
The RT is asked to recommend a humidifier that will be able to provide the
highest water vapor content to the patient's airway. Which of the following
humidifiers should the therapist select?
A. Pass-over
B. HME
C. Heated wick
D. Bubble - ANS ✓C. Heated wick
A heated humidifier is delivering 100% body humidity to a patient's
airway. What volume of water is being delivered?
A. 24 mg/L
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B. 37 mg/L
C. 44 mg/L
D. 47 mg/L - ANS ✓C. 44 mg/L
A patient is experiencing cardiac arrhythmias and muscle weakness. An
arterial blood gas determines that the patient is in metabolic alkalosis.
Which of the following is the most appropriate lab value to assess at this
time?
A. WBC
B. BUN
C. Plasma protein
D. Potassium - ANS ✓D. Potassium
The term used to describe a condition is which a patient has difficulty
breathing while in the supine position is which of the following?
A. Orthopnea
B. Hypopnea
C. Eupnea
D. Bradypnea - ANS ✓A. Orthopnea
A patient enters the emergency department, and on initial examination the
RT observes paradoxical chest movement. Which of the following should
the therapist suspect?
A. Pulmonary edema
B. Pneumonia
C. Flail chest
D. Pleural effusion - ANS ✓C. Flail chest
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Perfusion in the extremities may best be determined by which of the
following methods?
A. Obtaining ABG studies and determining PaO2 level
B. Assessing the patients SpO2
C. Assessing capillary refill
D. Palpating a brachial pulse - ANS ✓C. Assessing capillary refill
While palpating the chest, the RT determines that there is decreased
fremitus over the right lower lobe. This may be the result of which of the
following?
1. Pneumothorax
2. Pleural effusion
3. Pneumonia
A. 1 only
B. 2 only
C. 1 and 2 only
D. 2 and 3 only - ANS ✓C. 1 and 2 only
A chest x-ray film obtained after intubation shows that the tip of the ET
tube is resting at the fourth rib. Which of the following actions should be
taken?
A. The tube should be advanced 2 cm
B. The tube should be advanced until equal breath sounds are heard
C. The tube should remain at this level
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