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NUR 2115 ( LATEST 2024 / 2025 ) EXAM 1 | ACTUAL QUESTIONS AND ANSWERS 100% CORRECT
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NUR 2115 ( LATEST 2024 / 2025 ) EXAM 1 | ACTUAL QUESTIONS AND ANSWERS 100% CORRECT
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NUR 2115 EXAM 11. Oxygenate ventilation perfusion
diffusion
Respiration #1 goal is to....
the tissues through
, , and
2. Negative
1
For adequate ventilation to occur the interpleural pressure needs to be to expand the lung.
The V/Q ratio is
3. Ventilation
Respiratory Failure
Ventilation or Oxygenation failure?
-Inadequate ventilation
Low O2 & High CO2
,-Thoracic pressure change inadequate, mechanical abnormality (Kyphosis, COPD,
Pneumothorax)
-Defect in Respiratory control center (CNS dysfunction, Drug OD)
-Impaired muscular function (Neuromuscular diseases, spinal cord injury)
4. Oxygenation
Respiratory Failure
Ventilation or Oxygenation failure?
-Ventilation adequate
-Decreased lung perfusion (Right to left shunt, pulmonary embolism)
-Hemorrhagic shock
-Abnormal Hgb (Doesn't bind to O2, Carbon monoxide poisoning)
-Abnormal aveolar-capillary unit (Pulmonary edema, silent unit- ARDs)
5. SOB
hypoxemia hypercapnia acidosis
hypoxia
Respiratory Failure-- Clinical Manifestations
-Hallmark sign
-Limited chest expansion, abnormal sounds
-Confusion, grunting, nasal flaring, sternal retractions
,-PaO2 <50 =
-PaCO2 >50=
-pH <7.35=
-SPO2 <90%=
6. 80-100
35-45
22-26
7.35-7.45
compensated
Normal ABG Values
PaO2
PCO2
HCO3
pH
, HCO3 and CO2 are both outside of normal ranges= Full= pH
within norms
Partial= pH not within norms
7. Uncompensated metabolic acidosis with hypoxia
What are the ABG results? pH <7.35
PO2 <80
PCO2 35-45
HCO3 <22
8. Fully compensated respiratory acidosis
What are the ABG results? pH 7.35-7.45, closer to 7.35
PO2 90-100
PCO2 >45
HCO3 >30
9. Partially compensated metabolic alkalosis
What are the ABG results? pH >7.45
PO2 80-100
PCO2 >45
HCO3 > 26
10. Compensated metabolic acidosis with hypoxia
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