A 3 month old baby contracts a virus called whooping cough (pertussis) after receiving the first of a sequence of 3 necessary DPT vaccines designed to prevent 3 diseases (diphtheria, pertussis, and tetanus). The vaccines are given at 2, 4, and 6 months of age to allow the body to develop specific immunity against these diseases. After the infant recovered from the disease, the doctor informed the parents that from now on the infant would only need the DT (diphtheria, tetanus) part of the vaccine. Why does the infant only need the DT vaccine?
A. The infant had the first of a series of vaccines which caused the disease
B. The infant had the pertussis disease and has already produced antibodies against the disease.
C. The infant had the first of a series of vaccines which protected him from getting the disease.
D. The infant had the pertussis disease and will get diphtheria in the future.
Select your answer:
Topics:
Integumentary System Circulation of Blood Clinical Pathology Germs & Diseases Blood and Hematology Environment Blood Formation and Clotting Joints in our Body Surgical & Complementary Terms Smoking Related Diseases Hematology & Blood Banking Cells Foodborne Illness Health and Medicine Skills for HealthOther quiz:
Hematology › ViewWhich of the following tests is most likely to be abnormal in patients taking aspirin?
A. platelet morphology
B. platelet count
C. bleeding time
D. prothrombin time
Homeostasis and Disease › View
An example of a positive feedback loop is ____________.
A. Childbirth
B. Blood Pressure regulation
C. Thermoregulation
D. All of the above