Mechanical Ventilation

Question 1

type 1 sign of respiratory failure

Answer 1

DECREASE PA02

decrease SP02
agitation
air hungry
cyanosis
tacky

Question 2

Type 2 signs respiratory failure

Answer 2

INCREASE PAC02 and DECREASED PA02

same symptoms as 1 plus

decreased consciousness
confusion
rapid shallow breathing

Question 3

which mechanical ventilation is closer to physiological

Answer 3

negative pressure ventilation

Question 4

problem with negative pressure ventilation

Answer 4

whole body in chamber

Question 5

how does positive pressure ventilation work

Answer 5

the lung is what pushes the chest wall to open (opposite to negative)

Question 6

pulmonary effects of mechanical ventilation

Answer 6

increased v/q and tidal volume ratio
increased WOB
pneumothorax/ emphysema

Question 7

hemodynamic effects mechanical ventilation

Answer 7

decreased venous return , CO, decreased BP, renal perfusion

Question 8

T/F pneumonia that starts > 24 after ventilation is VAP

Answer 8

no, >48 hours

Question 9

does chest physio decrease VAP

Answer 9

no

Question 10

decrease incidence VAP

Answer 10

HOB elevated
oral hygiene 
DVT prophylaxis 
change the vent less
sedation vacation

Question 11

contraindications to NIV

Answer 11

facial trauma
obstruction of airway
hemodynmaic instability
decreased LOC
undrained pneumothroax
high risk aspiration

Question 12

most patients start with

Answer 12

oronasal mask

Question 13

most adulated intubated with a

Answer 13

CUFFED ORAL ENDOTRACHEAL TUBE

Question 14

__ tubes most frequently in infants

Answer 14

nasal endotracheal

Question 15

__ tube used in oral and facial surgery

Answer 15

nasal tube

Question 16

is there an increased or decreased dead space with endotracheal tubes

Answer 16

increased

Question 17

is there an increased or decreased dead space with tracheostomies

Answer 17

decreased

Question 18

if you control for pressure what is the risk

Answer 18

of decruitment and atelectasis

Question 19

if you control volume what do you risk

Answer 19

barotrauma

Question 20

what does humidification need

Answer 20

heat and moisture

Question 21

CPAP used for

whats it do

Answer 21

Acute pulmonary edema
COPD

relieves WOB

Question 22

advantages of optiflow

Answer 22

communication, sputum clearance, nutrition , humidifies , higher flow rates

Question 23

name three non invasive ventilatory systems

Answer 23

CPAP
BPAP
optiflow

Question 24

the lowest level of support is

Answer 24

spontaneous and pressure ventilation (PSV)

Question 25

what is PSV used for

Answer 25

weaning

Question 26

for CPAP we control

Answer 26

PEEP

Question 27

in BPAP we control

Answer 27

the pressure support and

PEEP

Question 28

how is spontaneous breathing trials measured

Answer 28

rapid shallow breathing index

Question 29

__ is indicative of weaning failure

Answer 29

> 105

Question 30

whats SIMV

Answer 30

synchronized intermittent mechanical ventilation

patient set rate
with mandatory breaths
machine can kick in if patient not taking enough

Question 31

what is CMV

Answer 31

continuous mandatory ventilation

can’t be patient triggered or time trigger

volume and pressure controlled

Question 32

NAVA

Answer 32

breath triggered by EMG

Question 33

who is high frequency oscillation used for

Answer 33

ARDS

Question 34

what is proportional assist ventilation

Answer 34

adjusts flow and volume based on set volume

calculates patients WOB

for difficult to wean patients

Question 35

nitric oxide is a vasoconstrictor or dilator

Answer 35

dilator

Question 36

helium does what

Answer 36

improve ventilation in acute asthma

reduce resistance to airflow

Question 37

whats nitric oxide do

Answer 37

reduces shunt through vasodilation

Question 38

whats weaning

Answer 38

prolonged ventilation leading to resp mm weakness