The phrenic nerve travels down through the neck and thorax to innervate the diaphragm. Which spinal segments contribute to the phrenic nerve?

Norepinephrine is a sympathetic neurotransmitter.  What is its function?

The largest nerve in the body is __?

Which of the following sensations is felt when polymodal pain receptors are activated?

The purpose of sensory receptors is to __?

Which of the following structures works to synapse with muscle spindles and create a very small muscle contraction thus controlling its sensitivity to stretch?

Which division of the autonomic nervous system is referred to as the “rest and digest” system?

The amount of resistance a muscle has to passive stretching is referred to as ____?

The cochlea is responsible for __?

Which of the following descending spinal cord tracts is responsible for activation of muscles used for balance and posture?