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:

Humerus

The humerus is the long bone in the upper arm, extending from the shoulder to the elbow.

Tibia

A large bone located in the lower leg, between the knee and the ankle, parallel to the fibula.

Ulna

One of the two long bones in the forearm, located on the side opposite the thumb and running parallel to the radius.

Appendicular Skeleton

Part of the skeleton that includes the bones of the limbs and girdles, facilitating movement.