Charge maintained by chloride entering RBC (chloride shift) Hydrogen ions combine with haemoglobin to form haemoglobonic acid. Hydrogencarbonate ions Releasing oxygen The partial pressure of oxygen (also called oxygen tension) of respiring tissues is lower than the lungs.
Screening is a process for evaluating the possible presence of a particular problem. The outcome is normally a simple yes or no. Assessment is a process for defining the nature of that problem, determining a diagnosis, and developing specific treatment recommendations for addressing the problem or diagnosis.
Diagnostic assessments are conducted for a variety of reasons, ranging from medical to educational studies. The goal is to determine the status of a person's health or level of knowledge or to test a method to discover if it provides the anticipated result.