NURSING EXAM QUESTIONS
MICROBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Emma visited her family doctor in November to receive a flu vaccination, as it has been a very harsh flu season. As the doctor escorted Emma to the checkout station, he reminded her that it is very important that she return next year to receive another flu shot. Why must Emma get a new flu vaccination every year?
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Because her immunities will wear off.
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Because the doctor wants to make more money by selling more vaccines.
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Because the influenza virus mutates rapidly and this year’s vaccine will not be effective against next year’s flu.
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Because the vaccine builds up in a person’s system. The more vaccines Emma receives the higher her immunity to the virus.
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Explanation:
Detailed explanation-1: -The most common reaction to the flu shot in adults has been soreness, redness or swelling at the spot where the shot was given. This usually lasts less than two days. This initial soreness is most likely the result of the body’s early immune response reacting to a foreign substance entering the body.
Detailed explanation-2: -While vaccine effectiveness (VE) can vary, recent studies show that flu vaccination reduces the risk of flu illness by between 40% and 60% among the overall population during seasons when most circulating flu viruses are well-matched to those used to make flu vaccines.
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