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You are playing pickleball and get nailed in the face. You rub the location where you were hit.  True or false: Stimulation of your mechanoreceptors can decrease pain sensation by activating your inhibitory interneurons that act on second-order neurons that carry pain signals to your brain. 

You just finished a blue raspberry Slurpee from 7-Eleven. Delicious. It contains a lot of glucose however. In your gut, glucose is primarily transported from the lumen into the enterocyte (gut cell) via ________.

True or false: Throughout the menstrual cycle, estrogen only exhibits negative feedback on the hypothalamus. 

 Okay, you had to know it was coming (see the ominous foreshadowing above in question 54). In the movie The Rock (a.k.a. the best movie ever), terrorists are using VX, a lethal nerve gas. VX effects can be inhibited by atropine by blocking acetylcholine receptors. Hooray! Nicholas Cage is saved (an Oscar-worthy performance for sure). However, the terrorist that is exposed to VX without atropine dies a horrible (gurgling?) death. Why? 

Which external signal is required for progression through the cell cycle?

 How many ATP are produced and consumed during glycolysis? 

What determines the transport maximum for glucose in the kidney?

ATP is required for muscle relaxation as well as for contraction. What are the two events requiring ATP for relaxation?

In skeletal muscle, what initial event is required to allow myosin crossbridges to bind to actin? 

The affinity for O2 binding with hemoglobin can be affected by a number of factors even when the same PO2 exists. Which of the following scenarios is false?