So its acquired immunity and the cells responsible are the B lymphocytes that produces antibodies against the virus. Memory is keep since first encounter of the virus by the immune system by way of the antibodies that was initially produced. The antibodies are there already, which makes it fast to act upon when expose again.
Brain power is the correct answer.
To determine if a person is potentially exposed to a
communicable disease, one should be familiar with the case of the patient. By
then she can determine how the disease will be transmitted by knowing the
portal of entry of the infectious agent and its mode of transmission from
reservoir to a susceptible host by direct or indirect contact.
Moreover, a health professional must be immunized against
infectious disease to lessen the chance of susceptibility of communicable
diseases.
Speed is the ability to perform a particular movement very rapidly