Which will increase a person's chances of contracting hepatitis B?
A. donating blood
B. having unprotected sex
C. shaking hands frequently
D. eating at poorly maintained restaurants
Answer: B
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Which of the following items is an aspect of emotional lability?
A. Abrupt mood shifts B. Lack of emotion C. Intentionally ignoring someone else's emotions D. None of the above
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.
A/An ____________________ is a ringlike muscle that tightly constricts the opening of a passageway
Fill in the blank(s) with correct word
Which function does soluble fiber serve?
a. binds water in the digestive tract b. creates a bulkier stool c. lowers blood cholesterol d. improves the texture of food e. raises blood sugar