2024 TMC Mechanical Ventilation//
TMC - Mechanical Ventilation
Practice Questions and Answers
ALREADY VERIFIED AND
GRADED A+
Which of the following changes should be recommended at this
time?
A. Decrease the VT to 550 mL
B. Decrease the mandatory rate to 8
C. Decrease the mechanical deadspace
D. Decrease the FIO2 to 0.35 - ANSWER-C.
During a routine ventilator parameter check on a patient, you
notice the low pressure alarm is being briefly activated prior to
each breath. Which of the following is most likely the cause?
A. the patient is fighting the ventilator
B. the flow rate is set too fast
C. the alarm delay is set too short
D. the peak pressure limit is set too high - ANSWER-C.
A spontaneously breathing 76-year-old patient who weighs 60 kg
(132 lb) is on an FIO2 of 0.45 via a trach collar. He has had a
change in his tidal volume from 600 mL to 300 mL and his
respiratory rate went from 12 /min to 24 /min. Which of the
following changed due to the change in the tidal volume and rate?
A. Minute ventilation
B. Alveolar ventilation
C. Anatomical deadspace
D. Mechanical deadspace - ANSWER-B.
Which of the following would be most helpful in determining if a
patient is developing ventilatory failure?
A. Arterial blood gas
B. Blood pressure
C. Vital capacity
D. Hematocrit - ANSWER-A.
An obese patient is being weaned from the ventilator following
cholecystectomy. Arterial blood gas results reveal:pH:
7.40
PaO2: 96
torrPaCO2: 43
torrSaO2: 94%
The patient is currently on:
Tidal volume 650 mL, SIMV mandatory rate 4 /min, PEEP 5 cm
H2O, and FIO2 0.35 even though she is not fully conscious. What
should the respiratory therapist recommend at this time?
A. Extubate
B. Re-evaluate in 1 hour
C. Place on a T-piece at a FIO2 0.45
D. Repeat arterial blood gases in 30 minutes - ANSWER-C.
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