TMC Exam A Questions and Answers
Graded A+
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 - Correct 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
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,c. Arterial blood gases and capnographic data
d. Helium dilution study and single breath nitrogen elimination - Correct 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 - Correct 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 - Correct answer-d. Use of unit dose medication
Which of the following can be used to estimate the level of Hemoglobin?
a. C(a-v)O2
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,b. PAO2
c. Theophylline level
d. RBC - Correct 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 - Correct 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 - Correct answer-a. Longer tracheostomy tube
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?
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, a. Large volume nebulizer
b. Concha heated humidifier
c. HME
d. Bubble humidifier - Correct 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) - Correct 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
d. Run the sample within 15 minutes - Correct answer-a. Choose a radial site with
adequate ulnar circulation
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Graded A+
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 - Correct 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
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,c. Arterial blood gases and capnographic data
d. Helium dilution study and single breath nitrogen elimination - Correct 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 - Correct 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 - Correct answer-d. Use of unit dose medication
Which of the following can be used to estimate the level of Hemoglobin?
a. C(a-v)O2
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,b. PAO2
c. Theophylline level
d. RBC - Correct 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 - Correct 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 - Correct answer-a. Longer tracheostomy tube
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?
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, a. Large volume nebulizer
b. Concha heated humidifier
c. HME
d. Bubble humidifier - Correct 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) - Correct 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
d. Run the sample within 15 minutes - Correct answer-a. Choose a radial site with
adequate ulnar circulation
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