Systems Phys Exam 1-fall2005-A Key -1

Systems Phys Exam 1-fall2005-A Key -1 - 1 SYSTEMS...

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1 SYSTEMS PHYSIOLOGY Fall, 2005 Dr. Sid Auerbach FIRST EXAMINATION Version A NAME:_____________________________ Student ID No.___________________
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1. Which of the following is a homeostatic response to an increase in body temperature? A. An increase in shivering B. A decrease in sweating C. An increase in blood flow to the skin D. A decrease in the set point for body temperature 2. What of the following is NOT a type of connective tissue cell? A. nerve cell B. bone cell C. red blood cell D. fat cell 3. Which of the following statements concerning homeostasis is true ? A. The primary mechanism for maintaining homeostasis is positive feedback B. A decrease in body temperature set point during hibernation represents a failure to maintain homeostasis C. Heat stroke is a homeostatic mechanism for coping with hot environmental temperatures. D. The pH of intracellular fluid is maintained in a state compatible for life 4. Which of the following statements best describes the effector in a physiological homeostatic control system? A. Direct detection of changes in the external environment B. Organ or tissue directly involved in corrective response C. Conduction of information into a central processing area D. Conduction of information out of a central processing area E. Integration of information in a central processing area 5. The kidney nephron is composed of: A. nerve, epithelial, muscle and connective tissue cells B. only muscle cells C. only exocrine and muscle cells D. only endocrine and connective tissue cells E. only nerve cells and connective tissue cells 6. Which of the following descriptions of tissue type function is INCORRECT? A. Connective tissue is specialized for transport of substances between the internal and external environments B. Nervous tissue is involved in generation and transmission of electrical impulses C. Muscle tissue is specialized for contraction and generation of force D. Epithelial tissue lines the lumen of internal organs 7. A symptom of heat stroke is: A. Decrease in core temperature of the body B. Increase in sweating C. Flushed dry skin D. Increased blood pressure
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3 8. Which of the following is NOT a structural or functional component of the plasma membrane? A. Phospholipase C (PLC) B. aquaporin C. Na/K ATPase pump D. Cyclic AMP E. phospholipid 9. How does diffusion of ions through a phospholipid bilayer differ from diffusion of water? A. diffusion of ions requires membrane channels B. diffusion of ions is directly affected by membrane potential C. diffusion of ions proceeds spontaneously in the energetically favored direction D. diffusion of ions is directly affected by the concentration gradient 10. Which of the following is an integral membrane protein?
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Systems Phys Exam 1-fall2005-A Key -1 - 1 SYSTEMS...

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