If the speech signal is normal and the subject has a normal processing system, then speech understanding is good. If we compromise the signal in some manner, but the subject has a normal auditory processing system, then performance would be fair to good.
Immediate care of the exposed person. Immediately following exposure to blood or body fluids, it is recommended that the exposed person. undertakes the following steps as soon as possible: ï· 2wash wounds and skin sites that have been in contact with blood or body fluids with soap and water.
The B-12 Test. Your doctor will insert a needle into a vein in your arm to withdraw a blood sample for B-12 testing. She will order a serum vitamin B-12 measurement to check B-12 levels and might also order other tests, such as a folic acid measurement, complete blood count or a test to diagnose pernicious anemia, if suspected. Your serum B-12 test is considered normal if the results are greater than 250 picograms per milliliter.