TMC EXAM C QUESTIONS AND
ANSWERS UPDATED
(2026/2027) (VERIFIED
ANSWERS)
For a patient receiving volume-controlled ventilation in the assist/control mode,
the starting of the inhalation cycle before the expiratory flow rate returns to zero
would result in which of the following?
a. autoPEEP
b. atelectasis
c. alveolar collapse
d. decreased FRC CORRECT ANSWER: a. autoPEEP
While assisting a physician during a bronchoscopy procedure, the therapist
notices bright red blood in the specimen tube. The therapist should prepare
which of the following NEXT?
a. Heparin
b. atropine
c. epinephrine
d. cold normal saline CORRECT ANSWER: c. epinephrine
A respiratory therapist is asked to assist a physician with a bronchoscopy
procedure on a patient who is ventilator dependent and requires high levels of
PEEP. Which of the following equipment should be used?
a. closed in-line suction catheter
b. manual PEEP valve
, 2
c. Magill forceps
d. Bodai adapter CORRECT ANSWER: d. Bodai adapter
A patient receiving 0.5 mL Albuterol by small volume nebulizer complains of
tingling fingers, nervousness, and heart palpitations. The therapist should
a. decrease dosage to 0.15 mL
b. reduce future treatment dosage to 0.25 mL
c. have the patient pause at the top of each breath
d. instruct the patient in performing shallow inspirations CORRECT
ANSWER: b. reduce future treatment dosage to 0.25 mL
For which of the following is the respiratory therapist observing if obtaining a
series of oblique chest radiographs?
a. cancerous mass in the lung
b. pneumonia
c. pneumothorax
d. pleural effusion CORRECT ANSWER: a. cancerous mass in the lung
A spiral CT scan would be most helpful in evaluating which of the following?
a. atelectasis
b. asbestosis
c. pneumonia
d. mass in the left lobe CORRECT ANSWER: d. mass in the left lobe
A 65-kg (143-lb) patient with pneumonia is receiving mechanical ventilator
support by a Servo adult ventilator on the following settings with corresponding
arterial blood gas values:
Mode: assist/control
, 3
Mandatory rate: 10/min
VT: 700 mL
FiO2: 0.50
pH 7.48 / PaCO2 33 / PaO2 98 / HCO3 24 / BE 0
Which of the following actions is most appropriate?
a. increase tidal volume
b. decrease tidal volume
c. decrease FiO2
d. decrease mandatory rate CORRECT ANSWER: b. decrease tidal volume
A patient is undergoing a full cardiopulmonary arrest. The patient is intubated
and is being monitored with an infrared capnographic device. PetCO2 data is
showing 3%. Which of the following is most appropriate?
a. obtain PaCO2 by a Douglas bag
b. increase alveolar ventilation
c. recalibrate the capnometer
d. clean the infrared device CORRECT ANSWER: b. increase alveolar ventilation
Which of the following can be examined to initially determine the approximate
position of the oral endotracheal tube?
a. chest radiograph
b. lateral neck radiograph
c. ET tube markings at the lips
d. diaphragmatic excursion CORRECT ANSWER: c. ET tube markings at the lips
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Which of the follow data, if observed, would indicate proper positioning of an
oral endotracheal tube?
a. radiologist reports the ET tube is 1 inch above the carina
b. end of ET tube 2 cm below the aortic knob
c. end of ET tube is 6 cm above the carina
d. poor left chest symmetry CORRECT ANSWER: a. radiologist reports the ET
tube is 1 inch above the carina
A child has been extubated and is demonstrating mild stridor. Which of the
following agents would be most helpful to administer by aerosol?
a. albuterol
b. Atropine
c. Aminophylline
d. racemic epinephrine CORRECT ANSWER: d. racemic epinephrine
A respiratory therapist is asked to assist a physician for a diagnostic bronchoscopy
on a mechanically ventilated patient. What special equipment should be brought
to the room?
a. laryngoscope and blade
b. ventilator circuit bronchoscopy adapter
c. ventilator circuit endotracheal tube wedge
d. Wrights respirometer CORRECT ANSWER: b. ventilator circuit
bronchoscopy adapter
Which of the following data is needed to calculate cardiac output?
a. VO2
b. QS/QT
c. A-aDO2