hondros 205 exam 3 verified 100% correct.Ischemia Answer- an inadequate blood supply to an organ or part of the body, especially the heart muscles.Hypoxia Answer- deficiency in the amount of oxygen reaching the tissues anoxia Answer- lack of oxygen. can be one particular part of the body, and a widespread injury.hypoxemia Answer- decreased level of oxygen in the arterial blood Simogyi effect Answer- rebound hyperglycemia. occurs at night after bed.hypoglycemia treatment Answer- immediate ingestion of 15-20g quick acting carbohydrates; wait 15 minutes, repeat if needed gas exchange Answer- Breathing, transport of gases, and exchange of gases with tissue cells; Provides O2 for cellular respiration and removes its waste product, CO2 Perfusion Answer- Circulation of blood within an organ or tissue in adequate amounts to meet current needs of the cells.Ventilation Answer- movement of air in and out of the lungs Room air is what % oxygen? Answer- 21% Transport in gas exchange Answer- occurs during respiration normally by diffusion difusion Answer- process by which molecules tend to move from an area where they are more concentrated to an area where they are more concentrated to an area where they are less concentrated gas exchange impairment Answer- occurs when the diffusion of gases become impaired.gas exchange impairment causes Answer- ineffective ventilation reduced capacity for gas transportation inadequate perfusion
consequences of gas exchange impairment Answer- mild: fatigue, increased heart
rate
more Severe: respiratory acidosis
Prolonged/severe: Cellular ischemia and necrosis, death
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