Retinoids and carotenoids - Study guides, Class notes & Summaries

UNH Nutrition 400 Final Exam (Answered) 8 enzymes of vitamin B Thiamin, Riboflavin, Niacin, Folate, B12, Biotin, Pantothenic Acid, B6 Niacin can be synthesized from? tryptophan Major functions of Folate Formation of DNA, metabolize amino acids, formation of neurotransmitters Synthetic form of folate? folic acid Folate deficiencies can cause? macrocytic anemia and neural tube defects major functions of vitamin B12 formation of blood, folate metabolism, homocysteine metabolism, maintai...

Retinoids and carotenoids other names for vitamin A retinoids found in liver, fish, eggs, and fortified dairy carotenoids found in carrots, sweet potatoes, apricots, cantaloupe, leafy greens, and veggies Retinoids aids in vision, reproduction, bone health, cell development/differentiation, and immune functions carotinoids and Vitamin E being an antioxidant is their only function A, D, E, K What are the fat soluble vitamins? All the B vitamins, Vitamin C What are the water soluble vitamins?...

VITAMINS QUESTION AND ANSWER 2024 GRADED A+ UPGRADE physio function of Vit A ANSWER = - fat sol - contains several related compounds: retinol (alcohol), retinal (aldehyde), and retinoic acid (acid form) - plays a role in vision, bone growth, repro, epithelial cell, and MMs food sources of Vit A ANSWER = - retinoids come from animal meat, esp liver and fish oil - carotenoids (form pigment in ables) come from fruits and vegetables CS of Vit A deficiency ANSWER = - blindness (can look li...

JMU Nutrition 280 Theimer Final Exam 2024 Vitamin -Answer-essential organic compounds needed in small amounts Divided into 2 groups based on -Answer-solubility in water or fat Water soluble vitamins -Answer-B and C Fat soluble vitamins -Answer-A, D, E, K Food groups that lack B12? -Answer-Grains, vegetables, fruits Food groups low in vitamin C? -Answer-Grains, dairy, protein Vitamin absorption occurs mainly in -Answer-the small intestine Compound that's the basis for the RDA for vitamin...

NFS 1020 Exam 3 Study Guide Questions With Complete Solutions

RD Exam Prep: Vitamin and Minerals Questions and Answers 100% Pass Vitamin A - Answer- Properties/Functions: Group of fat-soluble retinoids; immune function, skin, essential for vision and reproduction, delayed formation of cataracts; 2 forms available in the diet including preformed vitamin A (retinol) and provitamin A (carotenoids) DRI: Males 900mcg/d and Females 700mcg/d Deficiencies: Nyctalopia (reversible night-blindness), vision loss, dry eyes, Bitot's spots (keratin build-up in e...

Vitamin A function in the body -vision (vitamin A is a precurrsor to rhodopsin, a light receptor pigment which converts light to an electrical signal) -call differentiation -maintains structure of cells - normal growth in children -wound healing -viral infectons -maintains integrity of mucosal epithelial barrier -growth and reproduction -gene expression (retinoic acid) -lycopene inhibits cancer growth Vitamin A forms Retinoids: retinol (most bio active form), retinoids acid and re...

RD Exam Prep: Vitamin and Minerals Questions and Answers 100% Pass Vitamin A - Answer- Properties/Functions: Group of fat-soluble retinoids; immune function, skin, essential for vision and reproduction, delayed formation of cataracts; 2 forms available in the diet including preformed vitamin A (retinol) and provitamin A (carotenoids) DRI: Males 900mcg/d and Females 700mcg/d Deficiencies: Nyctalopia (reversible night-blindness), vision loss, dry eyes, Bitot's spots (keratin build-up in e...

FSHN 150 Final Exam Practice Questions and Answers Which statement about vitamins is true? - Ans:-help regulate chemical reactions in the body Water-soluble and fat-soluble vitamins differ in which way? - Ans:-Water-soluble are less likely to be toxic. Which of the following does NOT describe fat-soluble vitamins? - Ans:-Excesses are excreted in the urine. Which of the following is true about the absorption, transport, and storage of fatsoluble vitamins? - Ans:-They are stored in the liv...

What amount of retinol is equivalent to 24mcg of beta-carotene from food? A) 2mcg; B) 4mcg; C)2mg; D) 1mg CORRECT ANSWER A) 2mcg. One mcg retinol has the vitamin A activity of 12mcg beta-carotene Which of the following nutrients does NOT engage in conversion of homocysteine to methionine? A) Choline; B) Vitamin D; C) Vitamin B12; D) Folate CORRECT ANSWER B) Vitamin D Which of the following trace elements is regulated at the level of absorption but not excretion? A) Zinc; B) Copper; C) Mang...