What Does An Atom REALLY Look Like? - Duration: 8:44. The Science Asylum 600,649 views
A NEGATIVE result from a Hemoccult II test means that there was no evidence of occult (hidden) blood detected in your stool specimen. However, this test is not a complete cancer detection examination; it only detects blood in the stool.
What Does a Positive or Negative HBsAb Test Mean? When HBsAb is positive (antibodies are present), it usually means that you have recovered from hepatitis B infection and have some immunity, or that you once received the hepatitis B vaccination and are immune. If your HBsAb test is negative, it can mean many different thingsâbut, in general, it means you are not immune to the Hepatitis B virus.