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PFT Exam 4
Terms in this set (19)
Which of the following should be withheld for 48 hours before bronchial challenge testing?
beta adrenergic agents
beverages with caffeine
Theophylline (48 hours)
Beta2 Agonists short-long: 8 - 48 hours
Anticholinergics: 24 hours
Cromolyn sodium and related: 8-48 hours
Antihistimines: 72-96 hours
H1-receptor blockers: 48 hours
Caffine drinks: 6 hours
A patient exhibits persistent strider after fiberoptic bronchoscopy procedure. Which of the following would you recommend?
aerosol therapy with racemic epinephrine
A subject performing a methacholine challenge test has the following reproducible results.
FEVI (baseline) 3.3 L
FEV1 (diluent) 3.2 L
FEV1 (0.0625 mg/ml) 3.2 L
FEV1 (0.25 mg/ml) 2.2 L
The technologist should do which of the following?
Stop- the test is positive
Several specimens arrive at the lab from a bronchoscopy procedure, however, none are labeled. What should happen next?
The specimens will be thrown away
Which of the following changes in sGaw is consistent with increased airway reactivity?
Decrease of 35% after inhalation after methacholine
A patient receiving bronchoscopy should be NPO for at least 2 hours. prior to the procedure
False - 4
Which of the following substances are okay to use during the diluent trial of a methacholine challenge?
Which of the following procedures is able to be performed using a rigid bronchoscope?
Foreign body removal
Histamine is considered somewhat safer to use than methacholine as it produces more consistent results in patients
Which of the following topical anesthetics is most commonly used to anesthetize the airway during a bronchoscopy procedure
Which of the following procedures would be used to obtain samples from lesions located in the hillier area?
Transbronchial needle biopsy or EBUS
Which of the following would be an uncommon risk associated with performing a bronchoscopy?
Which of the following breathing maneuvers is the proper way for the patient to inhale the diluent or methacholine?
Have the patient inspire from FRC to TLC, hold their breath for 2-5 seconds, before exhaling normally.
Which of the following is unable to be performed via a rigid scope?
What does the acronym PD20 represent?
The dose that yields a 20% decline in FEV1
While performing a BAL, the physician instills 240 cc of saline. Which of the following would be considered the absolute best return?
All of the following are indictions for bronchoscopy except
Once a specimen slide has been properly smeared with a specimen sample, the therapist must next:
Spray the slide with a fixative so the cells don't die
The biggest risk factor associated with performing a transbronchial biopsy is bleeding
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