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Exam 10: Body Defences

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Question 31

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____________________ disease occurs when destructive inflammatory processes "spill over" into normal tissue in the presence of excessive numbers of antigen-antibody complexes.

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Question 32

Multiple Choice

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Match the defence cell with the correct characteristic by using the answer code (options may be used more than once or not at all) : -secrete interleukin 1

A) keratinocytes
B) melanocytes
C) Langerhans cells
D) Granstein cells

E) A) and B)
F) None of the above

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Question 33

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One of the most lethal consequences of mismatched blood transfusions is acute kidney failure caused by blockage of urine-forming structures by haemoglobin precipitation.

Pathogenic bacteria induce tissue damage and produce disease by invading host cells and taking over the cellular biochemical facilities for their own purposes.

Match the defence cell with the correct characteristic by using the answer code (options may be used more than once or not at all) : -present antigen to suppressor T cells

With what does the body fail to recognize and tolerate particular self-antigens?

Which of the following is NOT a means by which viruses can lead to cellular damages or death?

Bacteria have been genetically engineered to produce interferon.

Interferon is secreted by lymphoid organs.

Myasthenia gravis is a(n)____________________ disease.

What is the most abundant immunoglobulin in the blood?

Endogenous pyrogen (EP),leukocyte endogenous mediator (LEM),and interleukin 1 (IL-1)are all believed to be identical or closely related chemical mediators.

Only Rh-negative individuals can produce anti-Rh antibodies.

Distinguish between the two pathways by which the complement system can be activated.

Phagocytes can destroy foreign microbes only after they have engulfed these invaders.

MATCHING Indicate the characteristics that apply to bacteria and viruses by using the answer code (options may be used more than once or not at all) : -can induce host cells to produce substances toxic to the cell

____________________ is the process by which a substance separates from a solution.

MATCHING Indicate the characteristics that apply to bacteria and viruses by using the answer code (options may be used more than once or not at all) : -self-sustaining,single-celled organisms

____________________ against cancer cells involves an interplay among cytotoxic T cells,NK cells,macrophages,and interferon.

If a type B negative patient is accidentally given type A positive blood,what will happen?