What do pathogens use to attach to the host tissues after they have entered the body?
a. nerve impulse transmission
b. gastrointestinal tract
c. urinary tract
d. host cells
Interferon inhibits the synthesis of proteins that are needed by viruses for multiplication: T or F
Pathogens that are responsible for the formation of an abscess are called pyogenic bacteria: T or F
Nongranular leukocyte. This is one of the two types of leukocytes found in plasma that are classified as either monocytes or lymphocytes.
The primary function of the reticuloendothelial system is the removal of debris, dead leukocytes and erytthrocytes, and cellular secretions: T or F
Transforming viruses cause host cells to be abnormally shaped and their growth is unregulated since they do not recognize contact inhibition
What is the reason for the abnormal, uninhibited growth of cancerous cells?
What organism survives the harsh acidic environment of the stomach and is a contributor to stomach and duodenal ulcers forming
What carrier carries a pathogen and can transmit the disease while recovering from the disease?
What enzyme secreted by some bacteria is responsible for breaking down connective tissue, but has therapeutic uses?
(D) - Leukocidin - Lyse macrophages
(E) - Coagulases - coagulate fibrinogen
(A) - Kinases - dissolve clots
(C) - Collagenase - Lyses collagen
(B) Hemolysin - lysis erythrocytes
Match Column A with Column B
a. dissolve clots
b. lysis erythrocytes
c. lyses collagen
d. lyse macrophages
e. coagulate fibrinogen