This marks the end of the multiple choice/fill-in-the-blank questions in the exam. Below are 4 free-response questions.  You should write your solutions to these 4 questions either on paper or on a tablet. Once you have completed all six questions, you may submit your exam. Within 15 minutes of submitting the multiple choice/fill-in-the-blank portion of the exam, you must upload your free response solutions to the Gradescope assignment “Final exam – free response.” (You can get to this assignment through Canvas).  Make sure to follow the same Gradescope submission instructions as for your written homework.  If you do not submit your solutions within 15 minutes of closing this Canvas quiz, your work will not be graded. Keep in mind the following: Clear reasoning with proper proof formatting (where relevant) is required for a full score. Your solutions need to be organized and readable.  Each problem needs to be labeled (Problem A, etc.)  On Gradescope, you need to assign the relevant page(s) or parts of pages to each problem.

Lisa is being treated for a neurological condition with a specific drug that target neurons deep within the brain. Which glial cell must be bypassed by this drug in order for it to be effective?

“Ordinarily, it is not possible to transplant tissues from one person to another, yet corneas can be transplanted without tissue rejection. This is because the cornea ________.”

Sweating results from an increased internal body temperature. Which organ system was activated to cause sweating and return the body temperature to homeostasis?

“Given the following characteristics:1- Capable of contraction, 2- Covers all free body surfaces, 3- Lacks blood vessels, 4- Composes various glands, 5- Binds to a basement membrane. Which of the above are characteristics of epithelial tissue?”

Compute: Solve the problem on the solution sheet.  In the space provided, write the final answer. 

If applicable, use L’Hospital Rule to compute the limits. In each problem indicate the indeterminate form that warranted the use of this rule in each steps.  Solve the problem on the solution sheet.  In the space provided, write the final answer. 

Hint: Sin2x = 2sinxcosx Solve on the answer sheet. Copy all answers in the space given below.

If applicable, use L’Hospital Rule to compute the limits. In each problem indicate the indeterminate form that warranted the use of this rule in each steps.    Solve the problem on the solution sheet.  In the space provided, write the final answer. 

“What nutrient is the major fuel source used for fast exercise (e.g., running sprints)?” [BLANK-1]