BIOD 121 Module 4 Exam complete practice questions and answers Portage Learning

1. soluble vitamins have all the following characteristics except: d a. They are organic b. They are dependent on fat intake c. Are absorbed into the lymph system d. Are vulnerable to cooking losses 2. Lack of this vitamin can lead to rickets in children and osteoporosis in adults. vitamin d Xeropthalmia is a result of a deficiency of Vitamin a 3. Vitamin C is important in the formation of collagen a connective Like Vitamin e and a it works as an antioxidant scavenging free radicals. Combining iron with good sources of this vitamin will improve its absorption. A deficiency results in scurvy which can be prevented by consuming citrus fruits. This vitamin is often marketed as a cure for the common cold. tissue 4. What vitamin should a women consider supplementing prior to conception and why? 5. A deficiency of thiamin results in beriberi which translates to I can’t I can’t. Pellagra is a deficiency of niacin and the symptoms include diarrhea, dermatitis, dementia and death. Ariboflavinosis results from a riboflavin deficiency leading to an inflamed tongue known as glossitis and cheilosis , cracks around the mouth. A deficiency of folate and vitamin b12 both result in megaloblastic anemia, formation of large immature red blood cells 6. To prevent dehydration two hormones are secreted. Aldosterone is secreted from the adrenal glands telling the kidney to conserve sodium and water. The pituitary glands release antidiuretic hormone telling the kidneys to decrease urine output