Which of the Following Is One Reason Why the United

question 87

Multiple Choice

Which of the following is one reason why the United States lags behind other industrialized nations in immunization?

• A) Not all medically uninsured children in the U.S. are guaranteed free immunizations.
• B) Vaccines are not usually available in U.S. public health clinics.
• C) There have not been any outbreaks of childhood diseases in the U.S., even in areas where many parents refuse to immunize their children.
• D) Some parents have been influenced by media reports suggesting a link between vaccines and autism.

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Definitions:

Retina

The light-sensitive layer of tissue at the back of the inner eye, which converts light into neural signals sent to the brain.

Cones

Photoreceptor cells in the retina of the eye that function best in bright light and enable color vision and fine detail perception.

Rods

Photoreceptor cells in the retina of the eye that are sensitive to low light levels, contributing to night vision.

Iris

The colored part of the eye that controls the size of the pupil and the amount of light that enters the eye.