Midterm 2011W

A the type 2 diabetic requires insulin injections to

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Unformatted text preview: type 2 diabetic requires insulin injections to regulate their blood glucose levels. B. The risk of developing type 2 diabetes is strongly correlated with obesity. C. The vast majority of diabetes cases in the US are adult onset, type 2 diabetes. D. Type 1 diabetes is an autoimmune disease. E. Diabetic ketoacidosis involves the excessive accumulation of acidic ketone bodies in the blood which lowers the pH. MCDB 1B Midterm Green (2) Version: 2 Page: 3 20. Secretion of hydrochloric acid in the stomach is achieved by pumping ____________into the blood in exchange for Cl- and pumping H+ into the gastric lumen in exchange for_________. A. sulphate; Ca2+ B. phosphate; K+ C. bicarbonate; Na+ D. phosphate; Na+ E. bicarbonate; K+ Match the sarcomere region on the left with its characteristic on the right. (Answers on the right may be used more than once or not at all, but choose only 1 answer for each question). These matchings are worth 1 point each. A. Contains actin filaments only 21. A band B. Contains myosin filaments only 22. I band C. Contains both actin and myosin 23. Binds titin filaments D. Actin E. Myosin 24. Which of the following statements about the nervous system is false? A. Neurons are organized into ganglia for improved integration and processing of information. B. The inside of an unstimulated neuron is more negative compared to the outside. C. Sensory cells transduce stimuli into action potentials that can be transmitted to the CNS. D. Schwann cells myelinate axons of neurons in the central nervous system. E. Astrocytes are glial cells that contribute to the blood-brain barrier. 25. Arrange the following structures from the outer to the inner ear. A. Tympanum, pinna, cochlea, semicircular canal B. Pinna, ossicles, tympanum, cochlea C. Pinna, tympanum, ossicles, cochlea D. Tympanum, oval window, ossicles, cochlea E. Auditory canal, stapes, tympanum, vestibule 26. The diversity of antibodies does NOT occur through A. the random introduction of somatic mutations. B. random...
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