1. A signaling molecule . . (choose the best answer)

A. Will produce the exact same effect on all cell types itinteracts with

B. Could be a hormone or neurotransmitter

C. Will not elicit changes in gene expression

D. Is never water soluble

E. Must travel through the bloodstream to its target cell

2. Insulin . . (choose all that apply)

A. Is antagonistic to Glucagon

B. Is produced by the pancreatic beta cells

C. Triggers storage of glycogen in the liver

D. Promotes release of glucose from the pancreas

E. Is a hormone

3. The posterior pituitary and anterior pituitary are differentin which of the following ways? (choose all that apply)

A. The posterior pituitary makes its own hormones

B. The anterior pituitary makes its own hormones

C. The anterior pituitary makes TSH to stimulate the Thyroid

D. The posterior pituitary gland does not affect mammaryglands

4. The hypothalamus . . (choose all that apply)

A. Is a nerve center

B. Releases neurohormones

C. Affects the pituitary gland to release hormones

D. Is an example of how the 2 control and communicate mechanismsoften work together

5. The action potential of a neuron . . (choose all thatapply)

A. Can travel either way through the axon

B. Is caused by an influx of Na ions

C. Is a massive change in voltage on the membrane

D. Can be slowed by myelin insulation