Mechanical Ventilation ACCS Questions With Complete Solutions

Mechanical Ventilation ACCS Questions With Complete
Solutions

- 20 cm H2O Correct Answers Acceptable MIP/NIF

< 20% Correct Answers Acceptable Qs/Qt (shunting)

< or equal to 60% (greater is unacceptable) Correct Answers
Acceptable VD/VT (deadspace)

> 25 mL/cm H2O Correct Answers Acceptable Cst (static
compliance)

> or equal to 10 mL/kg (2 X VT) Correct Answers Acceptable
VC

10 mL per inch Correct Answers How to calculate mechanical
deadspace

4 mL/kg Correct Answers Tidal volume to start on an
asthmatic

6 mL/kg Correct Answers Initial tidal volume

60-100 ml/cmH2O Correct Answers normal static lung
compliance

absorption atelectasis Correct Answers alveolar collapse that
occurs when high concentrations of oxygen are given and
oxygen replaces nitrogen in the alveoli; if airway obstruction

, occurs, the oxygen is absorbed into the bloodstream and the
alveoli collapse.

Adjusting PIP, iTime, or flow Correct Answers How to adjust
VT in PC mode

Adverse effects of Auto-PEEP Correct Answers Decreased
venous return leading to:
- decreased cardiac output
- decreased blood pressure
Increases ICP
Overdistention of alveoli
Asynchrony

Alveolar Deadspace Correct Answers Amount of aleolar
ventilation that has no blood perfusion. Occurs with pulmonary
embolism

Anatomic deadspace Correct Answers Amount of the inspired
VT that does not enter the alveoli
-approximately 1 mL per lb of IBW

Assist Control (AC) Correct Answers When a mandatory
breath is delivered according to a time schedule or in a response
to an effort from the patient to take a breath

compressible volume equation Correct Answers (PIP-PEEP) X
tubing compliance factor

constant flow Correct Answers Square Wave
-results in higher PIPs