The local response to injury in the body is called infection.
Indicate whether the statement is true or false.
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Question 2) Histamine is a mediator of inflammatory responses that is generated by enzymatic cleavage of a plasma precursor.
Indicate whether the statement is true or false.
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Question 3) A consequence of inflammation is increased capillary filtration and edema, which causes swelling and pain.
Indicate whether the statement is true or false.
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Question 4) A phagocyte can kill a microbe only after phagocytosis.
Indicate whether the statement is true or false.
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Question 5) Which is NOT an example of an autoimmune disease?
A. AIDS
B. multiple sclerosis
C. myasthenia gravis
D. rheumatoid arthritis
E. type 1 diabetes mellitus
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Question 6) Which of the following is NOT normally a route of transmission of HIV/AIDS?
A. unprotected sexual intercourse with an infected partner
B. kissing or contact with items contaminated by the saliva of an infected individual
C. across the placenta from an infected mother to her fetus during pregnancy or delivery
D. via breast milk during nursing
E. transfer of contaminated blood or blood products from one person to another
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Question 7) The rationale behind the drugs used to treat HIV/AIDS is to reduce the number of viruses present in the body to infect otherwise healthy cells. Which of these is NOT a therapy that acts in this way?
A. inhibition of the reverse transcriptase enzyme
B. interference with the processes involved in expression of viral nucleic acid by the host cell
C. blocking an alpha protease enzyme associated with the assembly of the virus
D. chemical agents directed at interruption of mitosis in host cells for the virus
E. blocking the attachment and fusion of the HIV viruses with T lymphocyte host cells
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Question 8) Individuals who have been infected by the human immunodeficiency virus (HIV):
A. always manifest symptoms early in the disease process.
B. can be diagnosed only when they develop certain rare forms of cancer.
C. succumb to the disease in a relatively brief period of time after infection due to massive loss of T lymphocytes.
D. generally are diagnosed by detection of anti-HIV antibodies or HIV RNA in their blood.
E. have normal B-cell and cytotoxic T-cell function.
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Question 9) Immune surveillance refers to the search for and destruction of bacteria in the blood.
Indicate whether the statement is true or false.
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Question 10) Which type of allergy/hypersensitivity occurs independent of antibodies?
A. immune-complex hypersensitivity
B. immediate hypersensitivity
C. cytotoxic hypersensitivity
D. delayed hypersensitivity
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