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Digestive System and Nutrition Blood & Blood Vessels Biology for Engineers Musculoskeletal Injuries Lungs The Cell Cycle Respiratory Acidosis Body Fluids & Circulation History of Immunology Blood Pressure Mutation & Genetic Engineering Cardiovascular System Parts of the Skin Life Processes - Digestion and Respiration Human Organs

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Immunology › View

A new assay is used to test 120 samples from patients with a clinically confirmed diagnosis of the relevant infection and 50 samples from healthy control subjects. The test results were positive for 90 of the infected patients and positive for 10 of the healthy controls.

Calculate the assay’s specificity.

A. 57%

B. 75%

C. 80%

D. 90%

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Teeth and Microbes › View

When you eat, small bits of food get stuck between your teeth.If these bits of food are not removed, small living things called _______ starts growing on them.

A. snails

B. ants

C. germs

D. plants

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