It is reasonable to infer that an infection has occurred if
A - VCE - SSCE Biology - Question 6 - 2011 - Paper 1
Question 6
It is reasonable to infer that an infection has occurred if
A. histamine is released by cells.
B. a scab has formed on a cut in the skin.
C. bacteria are found in th... show full transcript
Worked Solution & Example Answer:It is reasonable to infer that an infection has occurred if
A - VCE - SSCE Biology - Question 6 - 2011 - Paper 1
Step 1
A. histamine is released by cells.
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Answer
The release of histamine is often associated with allergic reactions and inflammation, but does not directly indicate an infection.
Step 2
B. a scab has formed on a cut in the skin.
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Answer
The formation of a scab indicates healing from an injury but does not specifically signify the presence of an infection.
Step 3
C. bacteria are found in the large intestine.
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Bacteria are normally present in the large intestine and its presence alone does not indicate infection.
Step 4
D. pathogens are found in leg muscle tissue.
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Answer
The presence of pathogens in leg muscle tissue is a clear indicator of an infection, as it signifies that harmful microorganisms are present in normally sterile tissue.