A 52 year-old post-operative cholecystectomy patient's breath sounds
become more coarse upon completion of postural drainage with
percussion. The respiratory therapist should recommend
A. continuing the therapy until breath sounds improve
B. administering dornase alpha.
C. administering albuterol therapy.
D. deep breathing and coughing to clear secretions. - ANSWER-deep
breathing and coughing to clear secretions.
A 65 kg spinal cord injured patient has developed atelectasis. His
inspiratory capacity is 30% of his predicted value. What bronchial
hygiene therapy would be most appropriate initially?
A. IS / SMI
B. IPPB with normal saline
C. postural drainage and percussion
D. PEP therapy - ANSWER-IPPB with normal saline
A patient on VC ventilation has demonstrated auto-PEEP on ventilator
graphics. Which of the following controls, when adjusted
independently, would increase expiratory time?
1. Tidal volume
2. Respiratory Rate
3. Inspiratory flow
,4. Sensitivity - ANSWER-1, 2, and 3 only
A 55 year-old post cardiac surgery patient has the following ABG
results: pH 7.50, PaCO2 30 torr, PaO2 62 torr, HCO3 25 mEq/L, SaO2
92%, HB 14 g/dL, BE +2. Venous blood gas results are pH 7.39, PvCO2
43 torr, PvO2 37 torr, and SvO2 66%. Calculate the patient's C(a-v)O2.
A. 2.5 vol%
B. 4.0 vol%
C. 5.0 vol%
D. 5.5 vol% - ANSWER-5.0 vol%
Immediately after extubation of a patient in the ICU, the respiratory
therapist observes increasing respiratory distress with intercostal
retractions and marked stridor. The SpO2 on 40% oxygen is noted to
be 86%. Which of the following would be most appropriate at this
time?
A. cool mist aerosol treatment
B. aerosolized racemic epinephrine
C. manual ventilation with resuscitation bag and mask
D. reintubation - ANSWER-reintubation
Which of the following information may be obtained from a FVC
maneuver during bedside pulmonary function testing?
1. FEV1
2. PEFR
3. FRC
4. RV - ANSWER-1 and 2 only
,A patient who complains of dyspnea is noted to have a dry,
nonproductive cough. On physical examination, breath sounds
are diminished on the right, tactile fremitus is decreased and
there is dullness to percussion over the right lower lobe. The
respiratory therapist should suspect that the patient is suffering
from
A. pneumonia.
B. pulmonary embolism.
C. pleural effusion.
D. bronchiolitis. - ANSWER-pleural effusion
Which of the following suction catheters would be appropriate to use
for a patient with a size 8.0 mm ID endotracheal tube?
A. 8 Fr
B. 10 Fr
C. 12 Fr
D. 14 Fr - ANSWER-12 Fr
A patient who is receiving continuous mechanical ventilation is
fighting the ventilator. His breath sounds are markedly diminished on
the left, there is dullness to percussion on the left, and the trachea is
shifted to the left. The most likely explanation for the problem is that
A. the patient is disconnected from the ventilator.
B. the patient is experiencing diffuse bronchospasm.
C. the endotracheal tube has slipped into the right main stem
, bronchus.
D. the patient has developed a left tension pneumothorax. – ANSWER-
the endotracheal tube has slipped into the right main stem
bronchus.
What value for the apnea-hypopnea index (AHI) is consistent with mild
obstructive sleep apnea?
A. Less than 5
B. 5 to 15
C. 16 to 30
D. Greater than 30 - ANSWER-5 to 15
While monitoring a newborn utilizing a transcutaneous monitor, you
notice a change in PtcO2 from 60 to 142 torr and simultaneously the
(PtcCO2) changes from 37 to 2 torr. What is the most likely
explanation for these changes? A. Upper airway obstruction
B. Poor peripheral perfusion
C. Air leak around the sensor
D. Device is out of range - ANSWER-Air leak around the sensor
A patient on the general medical ward is on a 28% air entrainment
mask with the flowmeter set at 5 L/min. What is the total flow
delivered to the patient?
A. 5 L/min
B. 55 L/min
C. 88 L/min
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