In an allergic reaction,the immune system reacts as if it were defending the body against germs such as bacteria and viruses.
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Q4: Most spring,summer,and early fall colds-with symptoms such
Q5: Which microscopic creatures cause malaria?
A) bacteria
B) helminths
C) algae
D) protozoa
E) fungi
Q6: The means for transmission of disease-causing microorganism
Q7: Today,hepatitis B is transmitted mostly through sexual
Q8: Tuberculosis,tetanus,gonorrhea,scarlet fever,and diphtheria are examples of viral
Q10: Urinary tract infections are restricted to the
Q11: The most plentiful and most pathogenic of
Q12: A person who contracts one or more
Q13: The various types of white blood cells
Q14: The average incubation period for sudden acute
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