TEST BANK 180 QUESTIONS AND CORRECT
ANSWERWERS) |ALREADY GRADED A+
During the placement of a pulmonary artery catheter, the respiratory therapist observes the waveform
on the monitor and notices it is repeatedly rising and falling from 0 mmHg to 25 mmHg, which is an
indication that the tip of the catheter is in the right ventricle of the heart. Based on this information, the
respiratory therapist will recommend
a. Rotate the catheter to achieve a dicrotic notch in the waveform
b. Suture the catheter in place
c. Withdraw the catheter back to the upper vena cava
d. Inflate the catheter balloon to sail the tip to the proper location - ANSWERWER-d. Inflate the
catheter balloon to sail the tip to the proper location
A patient has been gradually weaning from mechanical ventilation for the past two weeks. The physician
requests data to determine the patient's current ability to breathe on his own. Which of the following
tests would not be indicated?
a. MVV
b. MIP
c. VC
d. VT - ANSWERWER-a. MVV
The most reliable test to determine if a pulmonary rehab patient has stopped smoking is a a.
Methemoglobin level
b. Carboxyhemoglobin level
c. Complete PFT
d. Treadmill trial - ANSWERWER-b. Carboxyhemoglobin level
While performing nasal tracheal suctioning on a patient with mycoplasma pneumonia, the respiratory
therapist notices PVCs on the monitor. The first action of the therapist should be to
a. Decrease the suction pressure
,b. Recommend administration of Lidocaine for future suctioning of the patient
c. Discontinue suctioning
d. Monitor the patient carefully - ANSWERWER-c. Discontinue suctioning
A galvanic fuel cell oxygen analyzer may read erroneously high under which of the following conditions?
a. When a volume-controlled ventilator at high inspiratory pressures
b. During a sudden increase in the partial pressure of oxygen
c. When liquid gets on the membrane
d. When the analyzer batteries are depleted - ANSWERWER-a. When a volume-controlled ventilator at
high inspiratory pressures
Results of a quality control maneuver for a spirometer using a 3.0 L calibration syringe as follows:
Volume 1 2.65 L
Volume 2 2.68 L
Volume 3 2.66 L
According to ATS Standards, the spirometer is
a. Proof that the syringe requires calibration
b. Lacking in precision
c. Inaccurate
d. Operating correctly - ANSWERWER-c. Inaccurate
Which of the following will be most helpful at preventing complications for a 48-year-old male patient
who has just undergone bariatric surgery for obesity?
a. Small volume nebulizer therapy with Albuterol every 4 hours
b. Ambulation twice a day
c. Incentive spirometry every hour
d. IPPB with 3.0 mL normal saline every 4 hours - ANSWERWER-c. Incentive spirometry every hour
,A patient experiencing exacerbation of asthma is receiving small volume nebulizer treatments with
albuterol via aerosol mask. The patient suddenly complains of nausea, tingling of the digits and seems
very anxious. The best course of action would be to
a. Change to a mouthpiece
b. Continue current therapy
c. Discontinue therapy and report your findings to the doctor
d. Instruct the patient to breathe less deeply during the treatment - ANSWERWER-c. Discontinue
therapy and report your findings to the doctor
Polysomnography reveals a patient has chest movement with no nasal airflow and severe oxygen
desaturation. Which of the following therapies should the respiratory therapist recommend for the
patient?
a. Oxygen via nasal cannula when sleeping
b. Nasal CPAP
c. Nocturnal mechanical ventilatory support
d. Doxapram (dopram) - ANSWERWER-b. Nasal CPAP
In which of the following would the respiratory therapist expect to see a decrease if inspiratory flow is
reduced but the rate does not change?
a. Expiratory time
b. Inspiratory time
c. Gas distribution
d. I:E ratio - ANSWERWER-a. Expiratory time
A 70-year-old male presents in the emergency department with shortness of breath and a nonproductive
cough. Auscultation of the chest reveals bilateral expiratory wheezes. Which of the following
intervention would be most helpful to the patient?
a. Cromolyn sodium (Intal)
b. Osmitrol (Mannitol)
c. Dexamethasone (Decadron)
d. Ipratropium bromide (Atrovent) - ANSWERWER-d. Ipratropium bromide (Atrovent)
, A 1000 g, 28-week gestational age infant has the following umbilical artery blood gas results: 7.35
/ / 27 / +1
Which of the following should the respiratory therapist recommend to monitor the infant's oxygenation?
a. Arterial blood gas analysis
b. Pulse oximetry
c. Capillary blood gas analysis
d. TrANSWERcutaneous PCO2 monitor - ANSWERWER-b. Pulse oximetry
Which of the following results should the respiratory therapist evaluate to determine the adequacy of
oxygen trANSWERport on a patient who is diagnosed with carbon monoxide poisoning and is being
treated with FIO2 of 1.0?
a. Arterial oxygen content
b. Oxygen consumption at the tissues
c. Arterial-venous oxygen content difference
d. Cardiac output - ANSWERWER-a. Arterial oxygen content
A patient complains of shortness of breath during a nebulizer treatment is hypertonic saline. The
respiratory therapist should do which of the following?
a. Switch to normal saline
b. Switch to hypotonic saline
c. Discontinue therapy and notify the physician
d. Add albuterol to the nebulizer treatment - ANSWERWER-c. Discontinue therapy and notify the
physician
Which of the following laboratory examinations is most appropriate to further evaluate a patient with
kidney failure and CHF?
a. Urinalysis
b. Creatinine