Nr 228- Exam 2 Questions With Correct Verified Answers | 100% Pass (A+ Certified

NR 228- EXAM 2 QUESTIONS WITH CORRECT VERIFIED ANSWERS | 100% PASS (A+ CERTIFIED Vitamins- Correct Answer -organic molecules needed in very small amounts for cellular metabolism --Perform specific metabolic functions -Essential nutrients to be provided by diet --Vitamin D synthesized by body but still considered vitamin vitamin solubility- Correct Answer Affected by absorption, transportation, and storage in body water soluble- Correct Answer B-complex vitamins (thiamin, riboflavin, niacin, pyridoxine, folate, cobalamin, biotin, and pantothenic acid), choline, and vitamin C Minimal storage by body Deficiencies quick to develop Usually low risk of toxicity fat- soluble Correct Answer vitamins A, D, E, and K Excess stored in body Deficiencies slower to develop Greater risk of toxicity food sources of vitamins- Correct Answer Vitamins are present in almost all foods. Synthetic vitamins (supplements) perform same vitamin function. Vitamins are best consumed from food sources. Synthetic vitamins may lack other benefits found in foods. Phytochemicals are nonnutritive substances in plant-based foods that appear to have disease-fighting properties. Water-Soluble Vitamins: Thiamin (VitaminB1) Correct Answer Function: coenzyme in energy metabolism Role in nerve functioning related to muscle actions Recommended intake and sources RDA: 1.2 mg for men; 1.1 mg for women Sources: lean pork, whole or enriched grains and flours, legumes, seeds, nuts Thiamin (VitaminB1)- deficiency Correct Answer Deficiency: beriberi Ataxia (muscle weakness/loss of coordination) and tachycardia