Page 302 - Clinical Application of Mechanical Ventilation
P. 302
268 Chapter 9
2. Prolonged suctioning of the lungs via the endotracheal tube is not advised because this can induce:
A. hypovolemia and shock. C. hyperventilation.
B. bradycardia and arrhythmia. D. productive coughs.
3. One of the complications of positive pressure ventilation is that it can cause a(n) _______ venous return
and _______.
A. increased, hypertension C. decreased, hypertension
B. increased, hypotension D. decreased, hypotension
4. A blood gas sample was collected from a hypothermic patient whose core temperature was 24°C. If the
sample was analyzed at 37°C with a PO of 90 mm Hg, the temperature corrected PO (to patient’s
2
2
24°C) would be:
A. negligible or almost 90 mm Hg.
B. much higher than 90 mm Hg.
C. much lower than 90 mm Hg.
D. dependent on the position of the oxyhemoglobin curve.
5. A physician asks the therapist to evaluate the breath sounds of a patient who has an admitting diagnosis
of pneumonia. By placing the stethoscope diaphragm next to the side of the spine below the scapula, the
therapist is listening to the breath sounds of the _______ segments of the _______ lobes.
A. posterior, upper C. posterior, middle
B. superior, middle D. superior, lower
6 to 9. Match the breath sounds with the conditions that may be the cause of these abnormalities. Use each
answer only once.
Breath Sound Condition
6. Diminished or absent A. Lung consolidation
7. Wheezes B. Airway obstruction
8. Inspiratory crackles C. Excessive secretions
9. Coarse crackles D. Airway narrowing
10. Excessive positive pressure or volume during mechanical ventilation may _______ the intrathoracic pres-
sure and _______ the cardiac and urine outputs.
A. increase, increase C. decrease, increase
B. increase, decrease D. decrease, decrease
11. Infiltrates appear to be _______ shadows on the chest radiograph and they are caused by presence of
_______.
A. black, blood or fluid C. white, blood or fluid
B. black, secretions or atelectasis D. white, secretions or atelectasis
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