QUESTIONS WITH COMPLETE
SOLUTIONS 2025
, 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. - ANSWERD. 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? - ANSWER70%
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. - ANSWER5% volume
What value for the apnea-hypopnea index (AHI) is consistent with mild obstructive sleep
apnea? - ANSWER5 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? -
ANSWERInitiate an expiratory hold just prior to the next ventilator-delivered breath
What do bronchial breath sounds heard over the lung periphery indicate? -
ANSWERlung 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.