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Which of the following local movements of ions would produce a depolarization?

After repeated exposure to amphetamine, a rat exhibits a greater-than-normal locomotor response to an injection of morphine.  This is known as __________.

You are a neurologist on your first day at work (Congratulations!) and your first patient does not recognize objects in the left half of her extrapersonal space.  In what part of the brain was her stroke?

Dendrites often contain additional short outgrowths (spines). These are believed to be important in what function?

The __________ is contained in the forebrain; the __________ is contained in the midbrain; and the __________ is contained in the hindbrain.

The same bacteria was used to inoculate the three tubes in the image.  Which sugar can be fermented to acid only, without the production of gas?  

A few bacteria (e.g. Proteus, Providencia and Morganella) are able to remove the amino group (deamination) from the amino acid phenylalanine to form phenylpyruvic acid as an end product.  Tube B above is [result] for [test] activity.

What artery is this black arrow pointing at? (Hint: This is the artery that we listen to when we are measuring blood pressure).

What is the arrow pointing at?

What heart valve would you be listening to where the arrow is pointing?