NURSING EXAM QUESTIONS
PATHOLOGY AND GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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plasma cell
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cytotoxic T-cell
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helper T-cells
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the population has herd immunity to the disease
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attenuated
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Detailed explanation-1: -Live vaccines use a weakened (or attenuated) form of the germ that causes a disease. Because these vaccines are so similar to the natural infection that they help prevent, they create a strong and long-lasting immune response.
Detailed explanation-2: -Attenuated vaccines are “weakened” version of pathogens (virus or bacteria). They are modified so that it cannot cause harm or disease in the body but are still able to activate the immune system. This type of vaccine works by activating both the cellular and humoral immune responses of the adaptive immune system.
Detailed explanation-3: -One of the most common live attenuated vaccines in use today is the MMR vaccine. Although originally designed as three separate vaccines, attenuated strains of measles, mumps, and rubella were successfully formulated into a single combination vaccine in the US in 1971 (Strebel et al.