what is the significance of the "elastic clause"?
1. It allows Congress to amend the constitution.
2. It gives Congress the power to oversee the actions of the other two branches.
3. It allows the majority party in both houses of Congress to make all decisions.
4. It gives Congress the power to do anything "necessary and proper" to perform its delegated powers.

Speed limit signs indicate the maximum legal speed

How can you tell that you're driving in the right direction? options are a. there is a white line on your left and a yellow line on your right. b. there are yellow lines on both sides of your vehicle. c. there is a double yellow line on your right. d. there is a yellow line on your left and a white line on your right.

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience. b. report the adverse drug experience to the irb only if there are several other occurrences. c. report the adverse drug experience as part of the continuing review report. d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb