John is drifting off to sleep in a quiet room. He is unaware of the repetitive hum of his air conditioner. A sudden flash of lighting and peal of thunder suddenly occurs. John is now wide awake, and has trouble getting back to sleep. Which region of his brain is responsible for these behaviors? 

When a cell becomes more negative than at rest, either due to the loss of cations or entry of anions, this is known as a [answer1]. When a cell becomes less negative than at rest, through the entry of cations or loss of anions, this is known as a [answer2].

All of the following are functions of astrocytes except:

Which of the following is not one of the functions of the nervous system?

Choose the statement that most accurately reflects autonomic innervation of the pupil. Note: SNS = sympathetic, PNS = parasympathetic

How does the structure of the sarcomere change during a contraction?

Order the following bonds in order of increasing strength: polar covalent, hydrogen (single only), nonpolar covalent, ionic.

The site at which a motor neuron meets a muscle fiber is known as what? 

In a(n) ____________ solution, there is a higher concentration of solutes in the solution outside of the cell than within the cell, leading it to dehydrate and shrivel.

Which of the following statements is true of the parasympathetic but not the sympathetic divisions?