Researchers Are Conducting a Study to Determine the Effects of Zinc

question 25

Multiple Choice

Researchers are conducting a study to determine the effects of zinc supplements on the human immune system.The study involves providing pills that contain zinc to one group of human subjects and pills that do not contain zinc or other active ingredients to another group of people.The pills that do not contain zinc are

• A)placebos.
• B)probiotics.
• C)antidotes.
• D)supplements.

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Definitions:

Head Start

A program in the United States that provides comprehensive early childhood education, health, nutrition, and parent involvement services to low-income children and their families.

War on Poverty

refers to a set of programs introduced in the 1960s by President Lyndon B. Johnson aiming to reduce poverty in the United States.

Public Broadcasting System

A non-profit television network in the United States that provides educational, cultural, and news-related content to the public.

Child-Centered

An approach that prioritizes the interests, needs, and viewpoints of children in all aspects of planning and decision-making.