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Tmc Exam questions and answers 2025
A patient receiving mechanical ventilation has received
Halcion in the last twenty minutes. The physician orders
the institution of spontaeneous breathing trials to
commence immediately. Which of the following
medications would be most helpful to the patient?
a. Meperidine
b. Valium
c. Romazicon (Flumazenil)
d. Morphine Sulfate - .....ANSWER ...✔✔ c.
Romazicon (Flumazenil)
In preparation for ventilator weaning the physician
requests a VD/VT ratio assessment. Which of the
following is needed to determine the deadspace-tidal
volume ratio?
a. Single breath nitrogen elimination and caponographic
data
b. Helium dilution study and an arterial blood gas
c. Arterial blood gases and capnographic data
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d. Helium dilution study and single breath nitrogen
elimination - .....ANSWER ...✔✔ c. Arterial blood
gases and capnographic data
A respiratory therapist is determining a VD/VT ratio.
Which of the following is needed to complete this
analysis?
a. VT and VA
b. PetCO2 and PaCO2
c. FIO2 and PaO2
d. PECO2 and PaO2 - .....ANSWER ...✔✔ b. PetCO2
and PaCO2
Which of the following is LEAST likely to promote the
spread of nosocomial infection in a hospital?
a. Poor hand washing among staff
b. Frequent disconnection of a ventilator circuit
c. Changing small volume nebulizer equipment every 48
hours
d. Use of unit dose medication - .....ANSWER ...✔✔ d.
Use of unit dose medication
Which of the following can be used to estimate the level
of Hemoglobin?
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a. C(a-v)O2
b. PAO2
c. Theophylline level
d. RBC - .....ANSWER ...✔✔ d. RBC
Which of the following alarms would be most important
for a patient receiving positive pressure ventilation by a
pressure-cycled ventilator?
a. Low volume
b. I:E ratio
c. Low FIO2
d. High pressure - .....ANSWER ...✔✔ a. Low volume
Patients with large necks who experience frequent
dislodging of their tracheostomy tubes need (a)
a. Longer tracheostomy tube
b. Shorter tracheostomy tube
c. Larger tracheostomy tube
d. Nasal intubation - .....ANSWER ...✔✔ a. Longer
tracheostomy tube
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Which of the following would be most effective at
resolving a humidity deficit for a patient who is
intubated with an 8.0-mm endotracheal tube?
a. Large volume nebulizer
b. Concha heated humidifier
c. HME
d. Bubble humidifier - .....ANSWER ...✔✔ b. Concha
heated humidifier
A patient with suspected myasthenia gravis in the
emergency room should receive which of the following to
confirm a diagnosis?
a. Norcuron
b. Edrophonium bromide
c. Neostigmine
d. Meperidine (Demerol) - .....ANSWER ...✔✔ b.
Edrophonium bromide
Which of the following is an important action when
drawing an arterial blood gas sample?
a. Choose a radial site with adequate ulnar circulation
b. Use a 16 gauge needle
c. Compress the site prior to puncture
Tmc Exam questions and answers 2025
A patient receiving mechanical ventilation has received
Halcion in the last twenty minutes. The physician orders
the institution of spontaeneous breathing trials to
commence immediately. Which of the following
medications would be most helpful to the patient?
a. Meperidine
b. Valium
c. Romazicon (Flumazenil)
d. Morphine Sulfate - .....ANSWER ...✔✔ c.
Romazicon (Flumazenil)
In preparation for ventilator weaning the physician
requests a VD/VT ratio assessment. Which of the
following is needed to determine the deadspace-tidal
volume ratio?
a. Single breath nitrogen elimination and caponographic
data
b. Helium dilution study and an arterial blood gas
c. Arterial blood gases and capnographic data
,2|Page
d. Helium dilution study and single breath nitrogen
elimination - .....ANSWER ...✔✔ c. Arterial blood
gases and capnographic data
A respiratory therapist is determining a VD/VT ratio.
Which of the following is needed to complete this
analysis?
a. VT and VA
b. PetCO2 and PaCO2
c. FIO2 and PaO2
d. PECO2 and PaO2 - .....ANSWER ...✔✔ b. PetCO2
and PaCO2
Which of the following is LEAST likely to promote the
spread of nosocomial infection in a hospital?
a. Poor hand washing among staff
b. Frequent disconnection of a ventilator circuit
c. Changing small volume nebulizer equipment every 48
hours
d. Use of unit dose medication - .....ANSWER ...✔✔ d.
Use of unit dose medication
Which of the following can be used to estimate the level
of Hemoglobin?
,3|Page
a. C(a-v)O2
b. PAO2
c. Theophylline level
d. RBC - .....ANSWER ...✔✔ d. RBC
Which of the following alarms would be most important
for a patient receiving positive pressure ventilation by a
pressure-cycled ventilator?
a. Low volume
b. I:E ratio
c. Low FIO2
d. High pressure - .....ANSWER ...✔✔ a. Low volume
Patients with large necks who experience frequent
dislodging of their tracheostomy tubes need (a)
a. Longer tracheostomy tube
b. Shorter tracheostomy tube
c. Larger tracheostomy tube
d. Nasal intubation - .....ANSWER ...✔✔ a. Longer
tracheostomy tube
, 4|Page
Which of the following would be most effective at
resolving a humidity deficit for a patient who is
intubated with an 8.0-mm endotracheal tube?
a. Large volume nebulizer
b. Concha heated humidifier
c. HME
d. Bubble humidifier - .....ANSWER ...✔✔ b. Concha
heated humidifier
A patient with suspected myasthenia gravis in the
emergency room should receive which of the following to
confirm a diagnosis?
a. Norcuron
b. Edrophonium bromide
c. Neostigmine
d. Meperidine (Demerol) - .....ANSWER ...✔✔ b.
Edrophonium bromide
Which of the following is an important action when
drawing an arterial blood gas sample?
a. Choose a radial site with adequate ulnar circulation
b. Use a 16 gauge needle
c. Compress the site prior to puncture
