PRACTICE EXAM AND STUDYGUIDE (ALL
IN ONE DOCUMENT) NEWEST 2025 ACTUAL
EXAM COMPLETE ACTUAL QUESTIONS
AND CORRECT ANSWERS WITH DETAILED
RATIONALES GRADED A+ GUARANTEED
PASS- JUST RELEASED
1. An adult patient receiving PC, A/C ventilation has a
blood pressure of 64/42 mm Hg. The patient is currently
on a continuous norepinephrine infusion and the SpO2
monitor does not consistently display a waveform or
saturation value. Which of the following should a
respiratory therapist do FIRST?
A.
Discontinue pulse oximetry.
B.
Initiate transcutaneous O2 monitoring.
C.
Perform serial blood gas analyses.
D.
,Change to a forehead sensor. - ANSWER ✓ D. Change to
a forehead sensor.
2. 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.
3. 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
, 4. 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
5. 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%
6. 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
7. 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
8. A patient who complains of dyspnea is noted to have a
dry, non-productive 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.