A region of a state had an outbreak of hepatitis. When reviewing the histories of the victims, it was noted that they had received either whole blood or blood products within the past 9 months. On further investigation, it was determined that all blood and blood products had come from one organization's blood lab that had failed to test their donors for hepatitis. This transmission of infection to others is known as: a. Direct Contact c. Common Vehicle b. Indirect Contact d. Vector

Is it considered muscles' ennervation if the sympathetic fibers innervate vessels within the muscle ? (vasomotricity)

Why is a lunch consisting of pizza, fruit, and salad a better choice than a lunch with the same number of calories from pizza alone? a)both lunches provide the same amount of energy but the lunch of pizza, salad, and fruit provides more nutrients. b)both lunches provide the same amount of nutrients but the lunch of pizza, salad, and fruit provides more energy. c)both lunches are healthful but the lunch of pizza, salad, and fruit provides more energy for metabolism. d)both lunches are healthful but the lunch of pizza, salad, and fruit is likely to have a higher fat content.

If birth rates fall below the replacement level, then a country is in which stage of demographic transition? a. urbanization/industrialization b. mature industrial c. postindustrial d. pre-modern