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Chapter 5 - Infectious Disease Process


Which of the following is an arthropod vector?
a. pig

arthropod vector

Ticks, mites, fleas, lice, true flies & mosquitoes


What do pathogens use to attach to the host tissues after they have entered the body?
a. enzymes
b. fimbriae
c. glycocalyx
d. adhesins


Kinases Lyse?
a. fibrinogen
b. hyaluronic acid
c. erythrocytes
d. fibrin

Gastrointestinal tract

Enterotoxins affect:
a. nerve impulse transmission
b. gastrointestinal tract
c. urinary tract
d. host cells


Phagocytes are:
a. leukocytes
d. plasma


White blood 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


Eosinophils are classified as an agranulocyte: T or F


white blood cell that are responsible for combating infection by parasites


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


Complement is a protein that resides in the liver: T or F

Eosinophils produce toxic proteins to fight parasites

What is the primary role of eosinophils?

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?

Helicobacter pylori

What organism survives the harsh acidic environment of the stomach and is a contributor to stomach and duodenal ulcers forming

Convalescent carrier

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

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