What is the normal range for pulmonary capillary wedge pressure in an adult?
✓ ~~~ 4-12 torr
What techniques measure total lung capacity?
✓ ~~~ helium dilution
body plethysmograph
What gives the most accurate measurements of volume and flow?
✓ ~~~ Collins water sealed spirometer
The most significant problem associated with the use of the bronchoscope is?
✓ ~~~ hemoptysis
All are true statements about spacers and holding chambers except:
1. They do not require patient cooperation with their breathing pattern.
2. They improve the efficiency of MDI.
,3. They can e used for drug delivery by MDI to intubated and mechanically ventilated
patients.
4. If a patient exhales immediately following activation of the inhaler, they will clear
the medication from the device and waste the dose.
✓ ~~~ They do not require patient cooperation with their breathing pattern
During oral endotracheal intubation, the tip of the Macintosh laryngoscope blade
should be placed:
✓ ~~~ in the vallecula
A heat moisture exchanger (HME) could be appropriately used in which of the
following situations?
1. long term mechanical ventilation
2. short term mechanical ventilation
3. transport mechanical ventilation
✓ ~~~ 2 & 3
short term mechanical ventilation
transport mechanical ventilation
Which of the following statements is true concerning positive expiratory pressure
(PEP) therapy?
, ✓ ~~~ It may help improve secretion expectoration, decrease hyperinflation and
improve airway maintenance.
Which drugs can be administered via an endotracheal tube?
naloxone (Narcan)
epinephrine (Adrenaline)
diazepam (Valium)
✓ ~~~ all of them
Which drugs will increase cardiac output and decrease pulmonary vascular
resistance?
methyldopa (Aldomet)
procainamide (Pronestyl)
digitalis
quinidine
✓ ~~~ digitalis
Which drug will lower blood pressure and decrease right ventricular preload by direct
vasodilation?
✓ ~~~ sodium nitroprusside (Nipride)