TMC Exam A (Respiratory) 2025 – Latest Updated 140 Complete
Questions and Answers (100% Verified, Graded A+)
This document contains the full 140 questions and answers from the latest updated 2025
TMC Exam A for respiratory therapy, all 100% verified and graded with an A+ rating. It
comprehensively covers key topics in respiratory care, including patient assessment,
mechanical ventilation, oxygen therapy, airway management, diagnostics, and
pharmacology. Each question is paired with the correct answer, providing a reliable and
efficient study resource for exam preparation. Designed to match current NBRC TMC
exam standards, this guide ensures thorough review and confidence-building for test day.
1. 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: c. Romazicon (Flumazenil)
,2. 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
d. Helium dilution study and single breath nitrogen elimination: c. Arterial blood
gases and capnographic data
3. 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: b. PetCO2 and PaCO2
4. 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: d. Use of unit dose medication
5. Which of the following can be used to estimate the level of Hemoglobin?
a. C(a-v)O2
b. PAO2
c. Theophylline level
d. RBC: d. RBC
,6. 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: a. Low volume
7. 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: a. Longer tracheostomy tube
8. 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: b. Concha heated humidifier
9. 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): b. Edrophonium bromide
, 10. 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: a. Choose a radial site with adequate
ulnar circulation
11. Which of the following would be most helpful for a patient with fixed
upper airway obstruction?
a. Aerosolized epinephrine
b. Beta II agonist medication
c. Corticosteroids
d. Heliox therapy: d. Heliox therapy
12. Which of the following oxygen modalities would be appropriate for a 220-
lb (100-kg) male with diabetic ketoacidosis who requires 40% supplemental
oxygen?
a. Air-entrainment mask
b. Non-rebreathing mask
c. Nasal cannula
d. Simple mask: a. Air-entrainment mask
13. While administering a treatment with Albuterol to a patient with COPD, the
therapist notes a sudden change in the patient's color to marked cyanosis.
The patient appears apneic and the heart rate on the pulse oximeter indicates
30/min. The therapist should FIRST
a. Administer oxygen by non-rebreathing mask
Questions and Answers (100% Verified, Graded A+)
This document contains the full 140 questions and answers from the latest updated 2025
TMC Exam A for respiratory therapy, all 100% verified and graded with an A+ rating. It
comprehensively covers key topics in respiratory care, including patient assessment,
mechanical ventilation, oxygen therapy, airway management, diagnostics, and
pharmacology. Each question is paired with the correct answer, providing a reliable and
efficient study resource for exam preparation. Designed to match current NBRC TMC
exam standards, this guide ensures thorough review and confidence-building for test day.
1. 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: c. Romazicon (Flumazenil)
,2. 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
d. Helium dilution study and single breath nitrogen elimination: c. Arterial blood
gases and capnographic data
3. 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: b. PetCO2 and PaCO2
4. 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: d. Use of unit dose medication
5. Which of the following can be used to estimate the level of Hemoglobin?
a. C(a-v)O2
b. PAO2
c. Theophylline level
d. RBC: d. RBC
,6. 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: a. Low volume
7. 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: a. Longer tracheostomy tube
8. 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: b. Concha heated humidifier
9. 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): b. Edrophonium bromide
, 10. 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: a. Choose a radial site with adequate
ulnar circulation
11. Which of the following would be most helpful for a patient with fixed
upper airway obstruction?
a. Aerosolized epinephrine
b. Beta II agonist medication
c. Corticosteroids
d. Heliox therapy: d. Heliox therapy
12. Which of the following oxygen modalities would be appropriate for a 220-
lb (100-kg) male with diabetic ketoacidosis who requires 40% supplemental
oxygen?
a. Air-entrainment mask
b. Non-rebreathing mask
c. Nasal cannula
d. Simple mask: a. Air-entrainment mask
13. While administering a treatment with Albuterol to a patient with COPD, the
therapist notes a sudden change in the patient's color to marked cyanosis.
The patient appears apneic and the heart rate on the pulse oximeter indicates
30/min. The therapist should FIRST
a. Administer oxygen by non-rebreathing mask
