Continuing review of an approved and ongoing study posing more than minimal risk that was initially approved by a convened irb:
a. is not required unless additional risks have been identified.
b. is limited to review of unanticipated problems.
c. must occur within 12 months of the approval date.
d. must be conducted by a convened irb.

Before tuberculosis was understood to be a communicable disease, and before the discovery of antibiotics to treat it, a major outbreak could kill or cripple a significant portion of a nation’s labor force. how would such an event affect the economy? illustrate the effect by dragging to shift either the aggregate demand curve or the long-run aggregate supply curve.

Which of the following is a constitutional power that the president shares with the senate?

How does sociology account for the cause of drug and alcohol addiction?