Ischemia - ANSWER insufficient flow of oxygenated blood to the tissues
hypoexmia - ANSWER very low level of oxygen in the arterial blood
hypoxia - ANSWER insufficient oxygen leaving the cells
anoxia - ANSWER total lack of oxygen
NUR 130 Exam 1 LATEST UPDATE 2024
Ischemia - ANSWER insufficient flow of oxygenated blood to the tissues
hypoexmia - ANSWER very low level of oxygen in the arterial blood
hypoxia - ANSWER insufficient oxygen leaving the cells
anoxia - ANSWER total lack of oxygen
What is diffusion? - ANSWER The movement of particles from an area of high concentration to an area of
low concentration.
Ventillation - ANSWER
Transport - ANSWER oxygen being carried from the lungs to the tissues/organs
perfusion - ANSWER The supply of oxygen to and removal of wastes from the cells and tissues of the
body as a result of the flow of blood through the capillaries.
What are some consequences of impaired gas exchange? - ANSWER -Fatigue
-Increased HR & RR
-Metabolic/respiratory acidosis
-Regular ischemia/ necrosis
-death
newborn gas exhange concepts - ANSWER -babies are obligatory nose breathers
-newborns may have irregular breathing patterns
, -babies born after 30 wks after sufficient surfactant
What diagnostic tests to check gas exchange - ANSWER -Chest X-ray
-Computed tomography (CT)
-Ventilation-Perfusion (V/Q) Scans
- Positron Emission Tomography (PET) Scans
-Pulmonary Function Tests (PFTs)
-Bronchoscopy
Primary prevention for impaired gas exchange - ANSWER -things to do to prevent it from ever happening
-smoking cessation
-immunizations
-infection control
-prevent post op pulmonary problems
What is an incentive spirometer? - ANSWER Method of deep breathing that providesvisual feedback to
encourage the patientto inhale slowly and deeply to maximizelung inflation and prevent atelectasis
-10x an hour
Secondary prevention measures - ANSWER -screening and early diagnosis
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