Ricardo is walking barefoot through his garage and steps on a nail with his left foot.  His left foot quickly pulls away while his right leg straightens to steady his balance.  Which statement is true of Ricardo’s situation?

Which two structures communicate through the hypothalamo-hypophyseal portal system?

Match the receptor type with the stimulus it responds to:

When blood sugar levels increase, the pancreas releases glucagon

Which major brain part is responsible for fine-tuning motor movements?

Match the channel or pump with it’s role in generating action potentials.

You have an itchy mosquito bite.  Which part of the brain is processing this sensation?

Many people have died from poisoning after eating puffer fish.  The reason for this is puffer fish tissue contains varying levels of tetradotoxin, a chemical which blocks voltage-gated Na+ channels.  Which of these would result from puffer fish poisoning? 

Which of these would cause muscle relaxation to occur?

What would happen to a muscle that ran out of ATP while contracted?