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. Romazicon
B. Valium
C. Meperidine
D. Morphine sulfate - ANSWER-Romazicon
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. helium dilution study and single breath nitrogen elimination
B. arterial blood gases and capnographic data
C. helium dilution study and an arterial blood gas
D. single breath nitrogen elimination and capnographic data - ANSWER-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. PECO2 and PaO2
B. FIO2 and PaO2
C. PetCO2 and PaCO2
D. VT and VA - ANSWER-PetCO2 and PaCO2
Which of the following is LEAST likely to promote the spread of nosocomial infection in
a hospital?
A. frequent disconnection of a ventilator circuit
B. changing small volume nebulizer equipment every 48 hours
C. use of unit dose medication
D. poor hand washing among staff - ANSWER-use of unit dose medication
Which of the following can be used to estimate the level of Hemoglobin?
A. RBC
B. C(a-v)O2
C. Theophylline level
D. PAO2 - ANSWER-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-low volume
Patients with large necks who experience frequent dislodging of their tracheostomy
tubes need (a)
A. nasal intubation
B. shorter tracheostomy tube
C. larger tracheostomy tube
D. longer tracheostomy tube - ANSWER-longer tracheostomy tube
Prior to the removal of chest tubes, which of the following should be done?
A. the chest tube should be exposed to normal atmospheric pressure
B. suction pressure should be increased temporarily
C. clamp the chest tube for 24 hours
D. flush the chest tube with normal saline - ANSWER-clamp the chest tube for 24 hours
Which of the following will help a patent to speak while intubated with a tracheostomy
tube?
A. obturator
B. double lumen endotracheal tube
C. inner cannula
D. Passy-Muir valve - ANSWER-Passy-Muir valve
Prior to obtaining an MEP value with a pressure manometer, the respiratory therapist
notes the needle is pointing at a positive pressure of -4 cmH2O prior to the maneuver.
During the MEP maneuver, the needle reaches 32 cmH2O. The therapist should
A. record and MEP of -28 cmH2O
B. record an MEP of 36 cmH2O
C. record an MEP of 28 cmH2O
D. report the problem to the medical director - ANSWER-record an MEP of 36 cmH2O
A 70-kg (154-lb) male patient is receiving mechanical ventilation. After increasing
PEEP, the following data is available:
Arterial blood gases reveal
pH 7.32 PaCO2 47 mmHgPaO2 80 mmHgHCO3- 26 mEq/LBE +2 mEq/LC.I. 2.5PAP
14 mmHgCVP 4 mmHgPCWP 8 mmHg
The respiratory therapist should do which of the following?
A. decrease FIO2
B. remove 100 mL of deadspace
C. decrease mandatory rate
D. administer sodium bicarbonate - ANSWER-remove 100 mL of deadspace
, 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. HME
B. large volume nebulizer
C. bubble humidifier
D. concha heated humidifier - ANSWER-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. Meperidine (Demerol)
C. Edrophonium Bromide
D. Neostigmine - ANSWER-Edrophonium Bromide
Which of the following is an important action when drawing an arterial blood gas
sample?
A. Use an 16 gauge needle
B. run the sample within 15 minutes
C. Choose a radial site with adequate ulnar circulation
D. Compress the site prior to puncture - ANSWER-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. corticosteroids
B. aerosolized epinephrine
C. beta II agonist medication
D. heliox therapy - ANSWER-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-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. go get help
B. auscultate breath sounds
C. administer oxygen by non-rebreathing mask
D. begin mouth-to-mouth resuscitation - ANSWER-begin mouth-to-mouth resuscitation