Midterm 2011M

Pancreas d colon e ileum 20 which of the following

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Unformatted text preview: D. Colon E. Ileum 20. Which of the following statements about movement of food in the gut is FALSE? A. Peristalsis are the muscle contractions that propel food through the gut. B. The pyloric sphincter controls entry of food into the stomach. C. Stretching induces smooth muscles to contract. D. The epiglottis and larynx prevent food entry into the trachea. E. The rectum assists in waste expulsion through the anus. 21. Which of the following statements on MHC molecules is FALSE? A. MHC proteins are plasma membrane glycoproteins. B. The major role of MHC proteins is to present antigens to T cell receptors. C. Class I MHC proteins are found on the surface of every nucleated cell. D. Class II MHC molecules are found on antigen presenting cells. E. All the statements are true. Match the parts of the neuron (listed on the left) with their correct functions on the right. (Answers on the right may be used once only or not at all). These matchings are worth 1 point each. 22. nodes of Ranvier E A. integrates information from dendrites 23. axon hillock A B. insulation 24. synapse C C. neuron communication with other cells D. contains organelles E. saltatory conduction 25. Which of the following is TRUE of the adaptive immune response? A. B cells...
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This test prep was uploaded on 02/13/2014 for the course MCDB 1B taught by Professor Weimbs during the Winter '08 term at UCSB.

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