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Home / Questions / All of the following are characteristics of acquired immunity EXCEPT

All of the following are characteristics of acquired immunity EXCEPT

All of the following are characteristics of acquired immunity EXCEPT

A) cell-mediated immunity.

B) nonspecific immunity.

C) humoral immunity.

D) adaptive immunity.

22) Cytokines function by

A) acting as messengers for growth and activity of other cells.

B) poisoning and killing invading cells.

C) digesting invading cells.

D) acting as messengers for growth and activity of other cells and poisoning and killing invading cells.

E) acting as messengers for growth and activity of other cells, poisoning and killing invading cells, and digesting invading cells.

23) Chemotaxins function in

A) digesting invading cells.

B) attracting additional immune cells.

C) poisoning and killing invading cells.

D) digesting invading cells and attracting additional immune cells.

E) digesting invading cells, attracting additional immune cells, and poisoning and killing invading cells.

24) A substance that induces fever is known as a(n)

A) opsonin.

B) chemotaxin.

C) acute phase protein.

D) pyrogen.

E) cytokine.

25) Opsonins function by

A) poisoning and killing invading cells.

B) marking or tagging pathogens so phagocytes can find and ingest them.

C) digesting invading cells directly.

D) poisoning and killing invading cells and  marking or tagging pathogens so phagocytes can find and ingest them.

E) poisoning and killing invading cells, marking or tagging pathogens so phagocytes can find and ingest them, and digesting invading cells directly.

26) Acute phase proteins are produced by the

A) macrophages.

B) lymph nodes.

C) liver.

D) thymus.

E) lymphocytes.

27) The cells responsible for the production of circulating antibodies are

A) NK cells.

B) plasma cells.

C) helper T cells.

D) cytotoxic T cells.

E) suppressor T cells.

28) Passive immunity is a type of ________ immunity.

A) acquired

B) innate

29) The cells responsible for cell-mediated immunity are the

A) B lymphocytes.

B) plasma cells.

C) T lymphocytes.

D) suppressor T lymphocytes.

30) Stem cells that will form B lymphocytes are found in the

A) bone marrow.

B) liver.

C) spleen.

D) thymus.

E) kidneys.

 

Dec 11 2019 View more View Less

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