RRT TMC EXAM NEWEST ACTUAL
EXAM QUESTIONS AND DETAILED
CORRECT ANSWERS (VERIFIED
ANSWERS) | A+ GRADE 2025
A patient is considered to have sufficient respiratory
muscle strength to maintain adequate ventilation and
prevent secretion retention when the maximum inspiratory
pressure (MIP; NIF) is more negative than which of the
following? Correct Answer -20 cm H2O
Which of the following selections in a patient's medical
history would be least important to consider in evaluating
their pulmonary condition? Correct Answer dietary habits
A normal 5-foot 4-inch tall staff member serves as a
biologic control for the PFT lab. Her established FVC is
3.81 L with a SD of ±0.13 L. During quality control testing
of a spirometer, she produces the following FVC results:
FVC #1 = 3.73 L, FVC #2 = 3.88 L, FVC #3 = 3.71 L. You
should conclude that the Correct Answer the spirometer is
performing within acceptable limits
You are called to assist a physician who is inserting a
pulmonary artery catheter. During the procedure, you note
a changeover on the monitor from pressures of about 25/5
mm Hg to pressures of 25/15 mm Hg. Which of the
following most likely has occurred? Correct Answer the
,catheter has moved from right ventricle to pulmonary
artery
Based on an overnight oximetry test, a patient suspected
of having sleep disordered breathing exhibits an oxygen
desaturation index (ODI) of 48/hr. Which of the following
would you recommend? Correct Answer CPAP titration at
home or in the sleep lab
You are called to the NICU. A premature neonate
receiving positive pressure ventilation exhibits acute
respiratory distress, hypotension, and asymmetrical chest
motion. Which of the following procedures would you
initially recommend? Correct Answer chest
transillumination
After opening the valve on an E cylinder which has a
regulator attached, you hear a hissing noise. The
flowmeter/gauge is turned off. Which of the following
corrective actions should you take? Correct Answer
tighten the regulator connection
Which of the following is an advantage of SIMV over
assist/control ventilation? Correct Answer SIMV allows
graded levels of support
The physician orders an increase in PEEP from 10 to 14
cm H2O for a patient receiving mechanical ventilation.
After you adjust the PEEP setting, you note a rapid drop in
the patient's blood pressure and a significant rise in heart
,rate. Which of the following actions would be appropriate?
Correct Answer lower the PEEP back to 10 cm H2O
What is the major hazard associated with the use of bag-
valve resuscitator? Correct Answer pulmonary barotrauma
While analyzing an ABG sample you obtained from a
patient breathing room air, you obtain the following values:
pH 7.44 PaCO2 46 torr PaO2 163 torr The patient's blood
gas results should be: Correct Answer discarded the
sample and obtain a new one
You are using a portable pressure-cycled ventilator with a
heated humidifier and IPPB circuit to temporarily ventilate
a post-operative patient who is regaining consciousness in
the recovery room. After checking the patient and
ventilator, you notice that the inspiratory time is prolonged
and the machine does not cycle off without active patient
effort. What should you do in order to correct the problem?
Correct Answer check/adjust ET tube cuff pressure
A ventilator that is being used in the assist/control mode
will trigger on in response to which of the following?
Correct Answer either the patient's inspiratory efforts or a
timing mechanism
A 62-year-old male patient with a history of COPD and
CHF have arrived in the ER with a complaint of difficulty
breathing. To help with the differential diagnosis, the
doctor orders the patient's blood to be tested for
bacteremia, CK-MB, cTnI, cTnT, and BNP. All results are
, negative. What is the most likely cause of the patient's
dyspnea? Correct Answer Exacerbation of COPD
If you were to hear bronchial breath sounds over the
patient's right middle lobe, what condition would you
suspect is probably present? Correct Answer pneumonia
You are called to evaluate a patient's breathing pattern.
You see that the patient's tidal volumes go from small to
large to small and then stop for 10 seconds before starting
again and it repeats itself. Which of the following would
best describe this breathing pattern? Correct Answer
cheyne-stokes respiration
A trauma patient has been receiving volume controlled
SIMV via an endotracheal tube for the past three days.
The attending surgeon anticipates that the patient will
likely be on the ventilator for another 4 to 5 days. Which of
the following actions would you recommend? Correct
Answer maintain the endotracheal tube in place
You are monitoring a mechanically ventilated patient 36
hours post-craniotomy who has an ICP of 20 mmHg but is
otherwise stable. The latest ABG results are as follows:
pH 7.39 PaCO2 43 mm Hg HCO3 24 mEq/L BE 0 PaO2
88 mm Hg SaO2 95% Based on this information, which of
the following is the most acceptable action? Correct
Answer maintain the current settings
While assessing a patient who is receiving ventilatory
support, you note significant weakening of the pulse
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