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 un
...
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. Correct Answer: D. deep breathing and
coughing to clear secretions.
See Patient Assessment
A healthy adult female can exhale what portion of her forced vital capacity in the first second?
Correct Answer: 70%
Following cardiac surgery, a 55 year-old 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. Correct Answer: 5% volume
What value for the apnea-hypopnea index (AHI) is consistent with mild obstructive sleep apnea?
Correct Answer: 5 to 15
The respiratory therapist is asked to evaluate the presence of Auto-PEEP on a patient receiving
mechanical ventilation. In order to do this, what should the RT do? Correct Answer: Initiate an
expiratory hold just prior to the next ventilator-delivered breath
What do bronchial breath sounds heard over the lung periphery indicate? Correct Answer: lung
consolidation (pneumonia)
Rationale: should be vesicular in periphery
A 60 kg (132 lb) patient is mechanically ventilated at the following settings: VC, A/C; VT 500
mL, respiratory rate 12/min, FIO2 1.00 and 10 cm H2O PEEP. The patient's peak airway
pressure is 60 cm H2O and his SpO2 is 85%. A current chest x-ray shows diffuse bilateral
infiltrates. Which of the following is the most appropriate action in order to reduce peak airway
pressure?
A. Increase the frequency.
B. Change to airway pressure release ventilation.
C. Decrease the inspiratory time.
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