Answer the following statement(s) true (T) or false (F)
1. Surface water is likely to be contaminated with both organic matter and pathogenic microorganisms.
2. Fluoridation is a water-treatment process designed to disinfect water.
3. Water pollution from hazardous chemicals is a concern in the United States.
4. In the United States, the biggest single component of household trash by weight is plastic.
5. Food waste makes up a larger portion of garbage in the United States than plastic, wood, and glass combined.
1. TRUE
2. FALSE
3. TRUE
4. FALSE
5. FALSE
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All of the following are correct about vaccines EXCEPT
A) they can be prepared from weakened pathogens. B) they can cause autism. C) they allow the body to develop immunity to a pathogen without being ill. D) they induce active immunity.
Reye's syndrome has been associated with aspirin use
Indicate whether the statement is true or false
A deformity caused by a rupture of the extensor tendon over the middle phalanx is called:
A. Boutonniere deformity B. Handlebar palsy C. Mallet finger D. Bowler's finger
An opening in a bone is called a:
A. foramen B. sulcus C. Fossa D. Fissure