Midterm 2011M - Name Perm MCDB 1B Midterm Examination...

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Name ______________________ Perm#______________________ MCDB 1B Midterm Examination Aug 22, 2011 Scantron Instructions: 1. Use a #2 PENCIL to complete the form. Pen will not work. 2. Write your name by filling in the appropriate bubbles. 3. Bubble your perm. number in the ID number box 4. Write the VERSION of your test in the space underneath the ID number box. 5. Fill in the entire rectangle of the answer you choose. If you erase, erase completely READ ALL QUESTIONS THOROUGHLY, IN ALL CASES, PICK THE BEST ANSWER 3 POINTS EACH unless otherwise specified 1. Which version is your exam? (1 point) A. B. C. D. 2. Which of the following responses would NOT be observed in the body as a consequence of initiating the fight-or-flight response? 3. The pancreas is The following True/False Questions are worth 1 Point each 4. Virus-infected cells present viral antigens on MHC class I which is recognized by cytotoxic T cells expressing CD4. A. True B. False TEST VERSION: A
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5. Neurohormones from the hypothalamus control the secretion of growth hormone from the posterior pituitary. A. True B. False 6. In response to high levels of glucose in the blood, the pancreas secretes insulin which causes the endocytosis of GLUT-4 vesicles. A. True B. False 7. A person with impaired ciliary muscles would have trouble focusing on both near and far images. A. True B. False 8. The major lymphoid organs are the bone marrow, thyroid, spleen and lymph nodes. A. True B. False 9. Diabetics are unable to reabsorb all the glucose from their urine and are prone to dehydration because of excess urine production. This is due to an increase in blood osmolarity. A. True B. False 10. IgM is responsible for mucosal immunity. 11. Helicobacter pylori can survive in the stomach because it produces urease which converts urea to bicarbonate and ammonium ions, thus buffering the HCl in their immediate environment. A. True B. False
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