Which of the following is NOT one of the clues left behind by someone who has committed suicide?

Which of the following professionals is trained as a medical doctor and may be found working in either private practice or in a hospital setting?

A) Clinical psychologist B) Clinical social worker C) Mental health counselor D) Psychiatrist

The most important factor in speeding action potential on its way is the fatty, white coating wrapped around most axons. This is called the _____

a) node of Ranvier. b) myelin sheath. c) synaptic fluid. d) sclerotic coating.