This chart shows the worldwide number of pertussis, tuberculosis, and measles cases over 16 years. Which is most likely the cause of the decline in measles cases from 1980 to 1990?
A. antibiotics
B. chemotherapy
C. quarantines
D. vaccinations
Select your answer:
Topics:
Disease Cards ology & phobia Human Organs Skin Bone, Spine, and Joint Pathology Phlebotomy Energy and Metabolism Nutrition History of Medicine Water Macromolecules Biochemistry Sensory System Key Terms Biological Molecules and Enzymes Shoulder Cell TheoryOther quiz:
Skeletal System Homeostatic Imbalances › ViewThe study of hematopoiesis:
A. can help scientist understand how bone is formed
B. can help scientists and clinicians to understand better the processes behind blood disorders and cancers.
C. can help scientist understand the recovery process after a mild injury
D. can help scientist determine the number of days it destroy bone in osteoporosis.
Enzymes › View
What reaction does Amylase catalyse?
A. It converts maltose into starch.
B. It breaks down starch into maltose.
C. It synthesises starch from maltose.
D. It acts as a substrate for producing maltose.