FCCN 2 Mechanical Vent Test. Newest
2025-2026. Questions & Correct
Verified Answers. Graded A
ABG anaylsis steps – ANS
1. evaluate pH to identify acidosis vs alkalosis
2. primary imbalance: match CO2 or HCO3 state is opposite of pH
3. Compensation: assess whether CO2 or HCO3 state is opposite of pH
ABG: HCO3 - ANSnormal: 22-26
measures acid/base balance
< 22 = acidosis
> 26 = alkalosis
ABG: PaCO2 - ANSassess ventilation
normal: 35-45
< 35 = alkalosis
> 45 = acidosis
ABG: PaO2 - ANSassess oxygenation
normal 80-100
arterial blood oxygen saturation
< 80 = hypoxemia
> 100 = O2 therapy
, BiPAP - ANSBi-level positive airway pressure
IPAP (inspiratory)/ EPAP (expiratory)
improve ventilation
Bradypnea causes - ANSexcessive sedation
tissue damage
diabetic coma
depressed resp center of the brain
Causes of low PaO2 - ANSpulmonary disorders
anemia
Cheyne- stokes causes - ANSalternating rapid and shallow breathing
seen in pts with HF, kidney failure, CNS damage
Complications of intubation - ANSpulmonary aspiration (cricoid pressure,
VAP)
cardiac/ resp arrest
ECG changes: bradycardia or PVC
hypoxemia
dental accident
trauma/ bleeding to oral/ nasal, pharyngeal soft tissue
laryngospasm/ bronchospasm
CPAP - ANScontinuous positive airway pressure
enhances oxygenation
2025-2026. Questions & Correct
Verified Answers. Graded A
ABG anaylsis steps – ANS
1. evaluate pH to identify acidosis vs alkalosis
2. primary imbalance: match CO2 or HCO3 state is opposite of pH
3. Compensation: assess whether CO2 or HCO3 state is opposite of pH
ABG: HCO3 - ANSnormal: 22-26
measures acid/base balance
< 22 = acidosis
> 26 = alkalosis
ABG: PaCO2 - ANSassess ventilation
normal: 35-45
< 35 = alkalosis
> 45 = acidosis
ABG: PaO2 - ANSassess oxygenation
normal 80-100
arterial blood oxygen saturation
< 80 = hypoxemia
> 100 = O2 therapy
, BiPAP - ANSBi-level positive airway pressure
IPAP (inspiratory)/ EPAP (expiratory)
improve ventilation
Bradypnea causes - ANSexcessive sedation
tissue damage
diabetic coma
depressed resp center of the brain
Causes of low PaO2 - ANSpulmonary disorders
anemia
Cheyne- stokes causes - ANSalternating rapid and shallow breathing
seen in pts with HF, kidney failure, CNS damage
Complications of intubation - ANSpulmonary aspiration (cricoid pressure,
VAP)
cardiac/ resp arrest
ECG changes: bradycardia or PVC
hypoxemia
dental accident
trauma/ bleeding to oral/ nasal, pharyngeal soft tissue
laryngospasm/ bronchospasm
CPAP - ANScontinuous positive airway pressure
enhances oxygenation
