Exam+1+--+Winter+2007+--+ANSWERS+_do+not+distribute_

Exam+1+--+Winter+2007+--+ANSWERS+_do+not+distribute_ -...

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Biology 225: Animal Phys Name: __________________________ Exam 1 Student ID:_______________________ Page 1 of 10 Exam Instructions: This exam has 2 parts. Put your name and UM ID number on every page of this exam. The exam will be separated for grading, and if your name and ID is not on a page you will not receive credit for that page! Part 1: Short answer. Write answers to short answer questions in the space provided. Please make sure your name and student ID are on all pages. Part 2: Multiple choice. Questions are to be answered on the scantron sheet. There is only one correct answer for each question. On the scantron please write and bubble in your name and UM ID number.
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Biology 225: Animal Phys Name: __________________________ Exam 1 Student ID:_______________________ Page 2 of 10 Part 1: Short Answers – Write your answer in the space provided. The exam will be separated for grading, and if your name and ID is not on a page you will not receive credit for that page! 48 points Q1. Hashimoto’s thyroiditis is an autoimmune disorder. In this condition the cells of the immune system attack and destroy thyroid tissue. 11 points total a. What effect (increase/descrease) would you expect on blood concentrations of thyroid hormones (T3/T4) compared to normal levels? 2 points Decrease in T3/T4 levels b. What effect (increase/decrease) would you expect on blood concentrations of thyroid- stimulating hormone (TSH) compared to normal levels? 2 points Increased TSH levels c. What thyroid disorder (Hypothyroidism/Hyperthryoidism) would this situation lead to? 2 points Hypothyroidism d. What are two symptoms you would expect patients with Hashimoto’s thyroiditis to have? 5 points Any two of the following will be OK Goiter Cold intolerance Lethargy Increased Weight Gain Decreased metabolic rate
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Biology 225: Animal Phys Name: __________________________ Exam 1 Student ID:_______________________ Page 3 of 10 Q2. Your friend, Nicole, complains of being thirsty all the time and urinating a lot. In addition, she has recently experienced dramatic weight loss. At the doctor she finds out that she has much higher than normal blood glucose and is officially diagnosed with Diabetes mellitus. 12 points total a. Explain how Diabetes mellitus can sometimes cause weight loss. 2 points Loss of insulin or response to insulin prevents the cells from taking up glucose and storing excess energy as glycogen or fat. Loss of glucose in the urine leads to loss of nutrients, resulting in weight loss. b. What hormone could one measure in her plasma to determine whether she was suffering from Type I or Type II Diabetes mellitus? 2 points Insulin c. If she has Type I Diabetes mellitus what would you expect her plasma levels of this hormone to be like? 2 points Absent or decreased. d.
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This note was uploaded on 07/11/2011 for the course BIOLOGY 225 taught by Professor Pavgi during the Spring '10 term at University of Michigan.

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Exam+1+--+Winter+2007+--+ANSWERS+_do+not+distribute_ -...

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