Vaccinations help the body develop immunity to a disease by providing
A) cytotoxic T cells to attack the microbes.
B) a small amount of weakened or killed antigen from a specific microbe to activate the specific immune response.
C) helper T cells to activate other immune cells.
D) a flood of the specific microbe to cause the disease.
B
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How many children under the age of 5 are estimated to have blood lead levels that exceed the CDC limit?
A. 50,000 B. 100,000 C. 500,000 D. 4 million
Of the antioxidant vitamins, it is most crucial to consume vitamin C on a daily basis because it is water soluble
Indicate whether the statement is true or false
For which of the following would home TPN be an appropriate means for maintaining adequate nutrition status?
a. Individuals with dysphagia b. Individuals with intestinal obstructions. c. Individuals with head and neck cancers d. Individuals with neurological impairments affecting the esophagus
Which of the following substances is classified as "vitamin-like" for humans?
A. Biotin B. Choline C. Riboflavin D. Pantothenic acid