Just like your eyeballs, please protect your sense of hearing… take this advice from someone who’s been around too many loud jets, gunfire, and loud concert speakers.  The sensation of loudness or the volume of a sound is detected by ________.   

  In most cases, sound gets to our ears thru the air (= gas) and these pressure waves eventually get directed to the liquid environment (endolymph/ perilymph) of the inner ear.  Due to this transition (from gas to liquid), the signal requires amplification… this structure, along with its two close “cousins” nearby, help increase the vibrations going into the cochlea.                              

  BONUS #7:    We can touch our finger to our nose while our eyes are closed in part because we can sense the position and movement of our joints as well as the length of stretch in our muscles.  These sensations create awareness of our body’s positioning.  The following receptors are most likely responsible for this ability.  

  Choose the correct term from below to respond to the brain functions below.  (hint: use each term once!!!)  

  The cells that produce and secrete cerebrospinal fluid (CSF) are the….  

  Which of the following is the best explanation for our perception of color (and all of the different colors of the rainbow!)?  

One type of mouse can be long-haired (H) or short-haired (h). You have two mice: one is Hh and the other is hh. What percentage (or fraction) of offspring from these two mice would have long hair?

What is the ratio if 16 parts of a drug are dissolved in 100 parts of water?

The order is for 90 mg of a drug. The pharmacy sends 30 mg / 2 mL. How many mL will the nurse give?

Dr. Kaplan wasn’t kidding when he said that this Exam was going to be difficult! (This question is worth 10 Extra Credit Points! These points will be added to your Exam #3 score on Canvas within a few days following the Exam.)