5–41. What vitamin plays a very important role in eye function and in keeping the  skin  and  mucous  membranes resistant  to  infection? 1.  A 2.  C 3.  E 4.  K 5-42. Sunlight  enables  your  body  to produce what vitamin if it has a chance to shine directly on the skin? 1.   B₆ 2.    B₁₂ 3.  D 4.  K IN  ANSWERING  QUESTIONS  5–43  THROUGH  5-46, SELECT  THE  VITAMIN  THAT  MATCHES  THE DESCRIPTION  GIVEN  AS  THE  QUESTION. 5-43. 5-44. 5-45. Needed in order to use calcium and phosphorus  to  build  strong  bones and  teeth. 1.    B₁₂ 2.  C 3.  D 4.  K Presently  being  explored  as  an antioxidant  that  may  retard  some aspects of the aging process. 1. B₁ 2. B₂ 3.  E 4.  K Essential  for  the  manufacture  of  a substance that helps blood to clot. 1.  A 2.  B₁ 3.  B₁₂ 4.   K 5-46. 5-47. 5-48. 5-49. 5-50. 40 Deficiency  causes  beriberi,  a disease  that  is  now  almost nonexistent  in  the  United  States. 1.  B₁ 2.  B₂ 3. B₆ 4.  B₁₂ Strict  vegetarians  are  likely  to  be deficient  in  what  vitamin? 1.    B₆ 2.    B₁₂ 3. Niacin 4. Folacin You should use the food guide pyramid for daily food choices on menus to accomplish what objective? 1. To eliminate the need for menu review  boards 2. To  determine  the  foods  that have  the  highest  acceptability 3. To  quickly  and  reliably  judge the  nutritional  adequacy  of  the menu 4. To give a detailed analysis of the cost of the menu Nursing  mothers  require  what specific  number  of  servings  daily from  the  milk-cheese  group? 1. Five 2. Two 3. Three 4. Four Fortified low-fat or skim milk products  have  essentially  the  same calories  as  whole  milk  products  but less fat content. 1. True 2. False