Consider a Community in Which the Vaccination Rate for Measles

question 28

Multiple Choice

Consider a community in which the vaccination rate for measles is 99 percent.Ryan,a 2-year-old with leukemia,has not received the measles vaccination because of his immunocompromised status.Ryan is unlikely to get measles because

• A)measles has been completely eradicated and is no longer a threat.
• B)there is substantial herd immunity in his community.
• C)he is protected by antibodies from his mother that crossed the placenta.
• D)the measles virus does not typically affect children with leukemia.

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Definitions:

Diabetes Mellitus

Condition caused by an insulin imbalance in the body; type 1 diabetes results from not enough insulin being produced; type 2 diabetes is caused by the body (specifically adipose tissue) not responding to insulin in the blood.

Glucose

Glucose is a simple sugar with the molecular formula C6H12O6, serving as a primary source of energy for most organisms.

Hydrogen Ions

Positively charged ions (H+) that are simply protons and play essential roles in chemical reactions, particularly in determining the acidity or pH of solutions.