A patient receiving mechanical ventilation has received Halcion in the last twenty minutes.
The physician orders the institution of spontaeneous breathing trials to commence immedi-
ately. 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
1
,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 pres-
sure 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
2
,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 obstruc-
tion?
A. beta II agonist medication
B. aerosolized epinephrine
C. heliox therapy
D. corticosteroids - ANSWER Answer: C. heliox therapy
3
, 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 resuscita-
tion
A 70-kg (154-lb) female patient is receiving mechanical ventilation on the following settings:
Mode assist/control Mandatory rate 14Total rate 14VT 500 mLFIO2 0.55PEEP 12 cmH2O
Arterial blood gases reveal
pH 7.49 PaCO2 32 mmHgPaO2 109 mmHgHCO3- 24 mEq/LBE 0 mEq/L
The respiratory therapist should
A. increase mandatory rate
B. decrease PEEP
C. decrease FIO2
D. decrease mandatory rate - ANSWER Answer: B. decrease PEEP
Prior to the removal of chest tubes, which of the following should be done?
A. suction pressure should be increased temporarily
B. flush the chest tube with normal saline
4
The physician orders the institution of spontaeneous breathing trials to commence immedi-
ately. 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
1
,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 pres-
sure 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
2
,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 obstruc-
tion?
A. beta II agonist medication
B. aerosolized epinephrine
C. heliox therapy
D. corticosteroids - ANSWER Answer: C. heliox therapy
3
, 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 resuscita-
tion
A 70-kg (154-lb) female patient is receiving mechanical ventilation on the following settings:
Mode assist/control Mandatory rate 14Total rate 14VT 500 mLFIO2 0.55PEEP 12 cmH2O
Arterial blood gases reveal
pH 7.49 PaCO2 32 mmHgPaO2 109 mmHgHCO3- 24 mEq/LBE 0 mEq/L
The respiratory therapist should
A. increase mandatory rate
B. decrease PEEP
C. decrease FIO2
D. decrease mandatory rate - ANSWER Answer: B. decrease PEEP
Prior to the removal of chest tubes, which of the following should be done?
A. suction pressure should be increased temporarily
B. flush the chest tube with normal saline
4