Acute Hepatic Failure in Dogs. Acute hepatic failure is a condition characterized by the sudden loss of 70 percent or more of the liver's function due to sudden, massive, hepatic necrosis (tissue death in the liver).
Key Points. Secondary (acquired) immunodeficiencies are much more common than primary (hereditary) immunodeficiencies. Primary immunodeficiencies can affect humoral immunity (most commonly), cellular immunity, both humoral and cellular immunity, phagocytic cells, or the complement system.
Explain the difference between communicable and noncommunicable infectious diseases. 1  communicable disease: a disease in which the invading microbe can be transferred from person to person. noncommunicable disease: A disease that is not transmitted from one host to another.