NURSING EXAM QUESTIONS
PATHOLOGY AND GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Virulence:
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Describes just how good a pathogen is at overcoming host defenses
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Is greater if the LD50 is lower
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Is greater if the ID50 is lower
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Is lower if it takes more organisms to cause disease
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All of the above are true
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Explanation:
Detailed explanation-1: -Virulence is defined by the ability of a microorganism to cause disease in the host. Food can carry microorganisms that are virulent and are able to cause disease in the individuals who consume the food.
Detailed explanation-2: -Correct answer is #4. DNA replication is NOT a virulence factor. All of the other statements are true.
Detailed explanation-3: -Adherence and Colonization Factors. To cause infection, many bacteria must first adhere to a mucosal surface. Invasion Factors. Capsules and Other Surface Components. Endotoxins. Structure of Endotoxin.
There is 1 question to complete.