ANATOMY

GENERAL ANATOMY

IMMUNE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Although vaccines cannot be used to treat a person who is sick, they can help to prevent infections. Vaccinations tell the body to create “memory cells", which will function later to create antibodies against certain pathogens. When a person is vaccinated, what are they injected with?
A
antibodies to a disease bacterium
B
live, inactive viruses
C
weakened viruses or antigens from the virus
D
blood from a person who has had the disease
Explanation: 

Detailed explanation-1: -Vaccines help your immune system fight infections faster and more effectively. When you get a vaccine, it sparks your immune response, helping your body fight off and remember the germ so it can attack it if the germ ever invades again.

Detailed explanation-2: -Another critical component of vaccination is that it helps produce memory B-and T-cells that are specific to the virus. Like an army reserve force, these immune cells can be quickly activated in the future to produce antibodies to stop the virus from invading your body. And unlike antibodies, these cells persist.

Detailed explanation-3: -Polio and diphtheria are the two diseases which can be prevented by using vaccines.

Detailed explanation-4: -Polio. Tetanus. Flu (Influenza) Hepatitis B. Hepatitis A. Rubella. Hib. Measles. More items •15-Sept-2022

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