Blood is pumped through the heart by which type of muscle? a. skeletal b. smooth c. cardiac d. visceral

Knowing if a patient has tuberculosis, hepatitis b, or aids is important because a. serious illnesses should be avoided. b. they could compromise the vital sign readings. c. cross-infection may occur. d. they can't be cured.

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

4. decision trees are organized through a series of choose one answer. a. tiers b. the cut/dry method invented by the university of madagascar c. disorganized webs