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42. Peptide YY (PYY) and insulin are released during food absorption to act as satiety signals.  

21. Which of the following is NOT a characteristic of the adaptive immune system?  

31. Skin color is determined by the abundance of melanocytes and carotene accumulation in the skin.  

8. Natural killer cells leave the blood stream in search of foreign substances and can act as a phagocytes.  

2. Which of the following is NOT true in regards to Antigenic determinants:  

30. Which of the following best describes Raynaud’s phenomenon?    

1) The stratum basale is the deepest layer of the epidermis and attached to the dermis.  

13. Cells that can directly attack target cells include all of the following except:  

19. Which of the choices below is NOT a mechanism of heat production/preservation?  

20. Which of the following is NOT associated with inflammatory response?