LINDSEY JONES TMC EXAM A
QUESTIONS AND ANSWERS 100%
CORRECT
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. Valium
B. Romazicon (Flumazenil)
C. Morphine sulfate
D. Meperidine - ANSWER-Answer: B. 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. arterial blood gases and capnographic data
B. single breath nitrogen elimination and capnographic data
C. helium dilution study and single breath nitrogen elimination
D. helium dilution study and an arterial blood gas - ANSWER-Answer: A. 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-Answer: B. PetCO2 and PaCO2
Which of the following is LEAST likely to promote the spread of nosocomial infection in
a hospital?
A. use of unit dose medication
B. poor hand washing among staff
C. changing small volume nebulizer equipment every 48 hours
D. frequent disconnection of a ventilator circuit - ANSWER-Answer: A. use of unit dose
medication
Which of the following can be used to estimate the level of Hemoglobin?
A. PAO2
B. C(a-v)O2
C. RBC
D. Theophylline level - ANSWER-Answer: C. RBC
,Which of the following alarms would be most important for a patient receiving positive
pressure ventilation by a pressure-cycled ventilator?
A. low FIO2
B. I:E ratio
C. high pressure
D. low volume - ANSWER-Answer: D. low volume
Patients with large necks who experience frequent dislodging of their tracheostomy
tubes need (a)
A. shorter tracheostomy tube
B. nasal intubation
C. longer tracheostomy tube
D. larger tracheostomy tube - ANSWER-Answer: B. nasal intubation
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. concha heated humidifier
B. HME
C. large volume nebulizer
D. bubble humidifier - ANSWER-Answer: A. concha heated humidifier
A patient with suspected myasthenia gravis in the emergency room should receive
which of the following to confirm a diagnosis?
A. Neostigmine
B. Meperidine (Demerol)
C. Edrophonium Bromide
D. Norcuron - ANSWER-Answer: C. Edrophonium Bromide
Which of the following is an important action when drawing an arterial blood gas
sample?
A. Compress the site prior to puncture
B. Use an 16 gauge needle
C. run the sample within 15 minutes
D. Choose a radial site with adequate ulnar circulation - ANSWER-Answer: D. Choose
a radial site with adequate ulnar circulation
Which of the following would be most helpful for a patient with fixed upper airway
obstruction?
A. beta II agonist medication
B. aerosolized epinephrine
C. heliox therapy
D. corticosteroids - ANSWER-Answer: C. heliox therapy
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. simple mask
C. nasal cannula
D. non-rebreathing mask - ANSWER-Answer: A. air-entrainment mask
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. begin mouth-to-mouth resuscitation
B. go get help
C. administer oxygen by non-rebreathing mask
D. auscultate breath sounds - ANSWER-Answer: A. begin mouth-to-mouth
resuscitation
What would occur on a time-cycled ventilator with a fixed rate if the inspiratory flow rate
were increased?
A. increase in inspiratory time
B. decrease in inspiratory time
C. decrease in tidal volume
D. increase in tidal volume - ANSWER-Answer: D. increase in tidal volume
Why should a respiratory therapist FIRST open the airway of a patient who is apneic?
A. To facilitate the placement of an oral pharyngeal airway
B. The patient may be experiencing upper airway occlusion
C. To protect the neck if the patient has experienced physical trauma
D. The physical contact may help to trigger a spontaneous breath - ANSWER-Answer:
B. The patient may be experiencing upper airway occlusion
Which of the following is a strategy that may help reduce or prevent autoPEEP in a
patient with ARDS?
A. matching PEEP
B. sedation of the patient
C. increasing minute ventilation
D. high flow rates - ANSWER-Answer: D. high flow rates
A pediatric patient has a non-productive cough. A chest radiograph reveals a foreign
body in the right mainstem bronchi. Which of the following should be used to alleviate
the problem?
A. bronchoscope
B. laryngoscope
C. suction catheter
D. tonsil suction device - ANSWER-Answer: A. bronchoscope
An adult male is being suctioned though an 8.0-mm ET tube with a 12 Fr. suction
catheter at a pressure of 90 mmHg. Secretion removal has been ineffective. Which of
the following modifications should be recommended?
QUESTIONS AND ANSWERS 100%
CORRECT
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. Valium
B. Romazicon (Flumazenil)
C. Morphine sulfate
D. Meperidine - ANSWER-Answer: B. 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. arterial blood gases and capnographic data
B. single breath nitrogen elimination and capnographic data
C. helium dilution study and single breath nitrogen elimination
D. helium dilution study and an arterial blood gas - ANSWER-Answer: A. 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-Answer: B. PetCO2 and PaCO2
Which of the following is LEAST likely to promote the spread of nosocomial infection in
a hospital?
A. use of unit dose medication
B. poor hand washing among staff
C. changing small volume nebulizer equipment every 48 hours
D. frequent disconnection of a ventilator circuit - ANSWER-Answer: A. use of unit dose
medication
Which of the following can be used to estimate the level of Hemoglobin?
A. PAO2
B. C(a-v)O2
C. RBC
D. Theophylline level - ANSWER-Answer: C. RBC
,Which of the following alarms would be most important for a patient receiving positive
pressure ventilation by a pressure-cycled ventilator?
A. low FIO2
B. I:E ratio
C. high pressure
D. low volume - ANSWER-Answer: D. low volume
Patients with large necks who experience frequent dislodging of their tracheostomy
tubes need (a)
A. shorter tracheostomy tube
B. nasal intubation
C. longer tracheostomy tube
D. larger tracheostomy tube - ANSWER-Answer: B. nasal intubation
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. concha heated humidifier
B. HME
C. large volume nebulizer
D. bubble humidifier - ANSWER-Answer: A. concha heated humidifier
A patient with suspected myasthenia gravis in the emergency room should receive
which of the following to confirm a diagnosis?
A. Neostigmine
B. Meperidine (Demerol)
C. Edrophonium Bromide
D. Norcuron - ANSWER-Answer: C. Edrophonium Bromide
Which of the following is an important action when drawing an arterial blood gas
sample?
A. Compress the site prior to puncture
B. Use an 16 gauge needle
C. run the sample within 15 minutes
D. Choose a radial site with adequate ulnar circulation - ANSWER-Answer: D. Choose
a radial site with adequate ulnar circulation
Which of the following would be most helpful for a patient with fixed upper airway
obstruction?
A. beta II agonist medication
B. aerosolized epinephrine
C. heliox therapy
D. corticosteroids - ANSWER-Answer: C. heliox therapy
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. simple mask
C. nasal cannula
D. non-rebreathing mask - ANSWER-Answer: A. air-entrainment mask
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. begin mouth-to-mouth resuscitation
B. go get help
C. administer oxygen by non-rebreathing mask
D. auscultate breath sounds - ANSWER-Answer: A. begin mouth-to-mouth
resuscitation
What would occur on a time-cycled ventilator with a fixed rate if the inspiratory flow rate
were increased?
A. increase in inspiratory time
B. decrease in inspiratory time
C. decrease in tidal volume
D. increase in tidal volume - ANSWER-Answer: D. increase in tidal volume
Why should a respiratory therapist FIRST open the airway of a patient who is apneic?
A. To facilitate the placement of an oral pharyngeal airway
B. The patient may be experiencing upper airway occlusion
C. To protect the neck if the patient has experienced physical trauma
D. The physical contact may help to trigger a spontaneous breath - ANSWER-Answer:
B. The patient may be experiencing upper airway occlusion
Which of the following is a strategy that may help reduce or prevent autoPEEP in a
patient with ARDS?
A. matching PEEP
B. sedation of the patient
C. increasing minute ventilation
D. high flow rates - ANSWER-Answer: D. high flow rates
A pediatric patient has a non-productive cough. A chest radiograph reveals a foreign
body in the right mainstem bronchi. Which of the following should be used to alleviate
the problem?
A. bronchoscope
B. laryngoscope
C. suction catheter
D. tonsil suction device - ANSWER-Answer: A. bronchoscope
An adult male is being suctioned though an 8.0-mm ET tube with a 12 Fr. suction
catheter at a pressure of 90 mmHg. Secretion removal has been ineffective. Which of
the following modifications should be recommended?
