Systems Phys Exam1-fall2004

Systems Phys Exam1-fall2004 - 1 SYSTEMS PHYSIOLOGY Fall,...

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1 SYSTEMS PHYSIOLOGY Fall, 2004 Dr. Sid Auerbach FIRST EXAMINATION 7 OCTOBER 2004 Version A NAME:_____________________________ Student ID No.___________________
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1. Following an increase in body temperature, which of the following will NOT occur: A. An increase in shivering B. An increase in sweating C. An increase in blood flow to the skin D. An increase in water on the skin surface 2. What type of cell separates the internal from the external environment? A. nerve B. muscle C. connective tissue cell D. epithelial 3. Which of the following statements concerning homeostasis is false ? A. The primary mechanism to maintain homeostasis is positive feedback B. The organ systems work together to maintain homeostasis C. Homeostasis is maintenance of relative constancy of conditions in the internal environment D. The extracellular fluid is maintained in a state compatible for life 4. Which of the following statements best describes the role of the efferent pathway in a homeostatic control system? A. Direct detection of changes in the internal or external environment B. Conduction of information into a central processing area C. Conduction of information out of a central processing area to effector organs D. Integration of information in a central processing area 5. The tissue type that includes the cells found within bones and blood is: A. connective B. epithelial C. endocrine D. nervous E. muscle 6. Which of the following incorrectly describes the function of the tissue type? A. Nervous tissue is involved in generation and transmission of electrical impulses B. Connective tissue is specialized for transport of substances between the internal and external environments C. Muscle tissue is specialized for contraction and generation of force D. Epithelial tissue lines the lumen of internal organs 7. Flushed dry skin is a symptom of: A. Hypothermia B. Heat stroke C. Heat exhaustion D. None of the above
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3 8. All of the following are integral components of the plasma membrane except : A. cholesterol B. phospholipid C. protein D. cyclic AMP 9. How does diffusion of water through a membrane differ from diffusion of a small lipophilic molecule? A. diffusion of water requires selective membrane channels B. diffusion of water is directly influenced by membrane potential C. diffusion of water can establish an electrochemical potential D. diffusion of water depends on a concentration gradient 10. Membrane proteins can function as______________. A. cell adhesion molecules B. receptors for hormones and neurotransmitters C. enzymes D. ion channels E. All of the above 11. Which of the following molecules is amphipathic? A. phospholipid B. sodium chloride C. oxygen D. cholesterol E. all of the above 12. Which of the following can form ion channels through the plasma membrane? A.
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Systems Phys Exam1-fall2004 - 1 SYSTEMS PHYSIOLOGY Fall,...

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