-Vaccinations Provide Both Private Benefits and External Benefits

question 243

Multiple Choice

-Vaccinations provide both private benefits and external benefits. The table above gives information on the marginal private benefit and marginal external benefit associated with vaccination against varicella (chicken pox) .The marginal social benefit of the 4 millionth varicella vaccination is

• A) $6.
• B) $12.
• C) $48.
• D) $2.

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Definitions:

Yolk Sac

One of the extraembryonic membranes that, in shelled vertebrates, contains yolk for the nourishment of the embryo, and in placental mammals is the first site for blood cell formation.

HCG

Human Chorionic Gonadotropin, a hormone produced during pregnancy by the placenta that supports the fetal egg after conception.

Trophoblast

Outer membrane surrounding the embryo in mammals; when thickened by a layer of mesoderm, it becomes the chorion, an extraembryonic membrane.

Pregnancy Test

A medical test used to determine if a woman is pregnant, typically by detecting the presence of hCG hormone in urine or blood.