NTR 5206 Assignment 1: Short-Answer Questions (Maximum point value = 20 points)
Instructions: Please download this Word document and complete the “Answer:” portion of each question. Post your completed document in the appropriate Dropbox folder. Please note that none of the questions require more than one or a few words or a sentence. Your answers should be accurate and concise, no need to list references for the answers.
Certain cuisines have dishes made of animal liver. What is the predominant form of vitamin A found in the liver? (1 pt)
Color of red tomatoes comes from a carotenoid called _______, which is a known antioxidant. (1 pt)
Carrots and spinach are both rich in beta-carotene. Why does spinach appear green, rather than orange like carrots? (2 pts)
After dietary vitamin A is taken into enterocytes, it will be packed into _______ (a type of lipoprotein) which first enter _________ and then into general circulation. (2 pts)
Please list two protein carriers of retinol that are synthesized in the liver. (2 pts)
What form of vitamin A is required for rhodopsin synthesis? (1 pt)
The two forms of vitamin A that regulate gene expression are __________ and _________. (2 pts)
What is the UL of vitamin A for a 15 year-old boy? (1 pt)
One of your clients is a 22 year-old woman who wants to treat her severe acne before her wedding one month from now. She and her fiancé plan to have a baby after getting married ASAP. She heard that a medication called Accutane is really effective in treating acne and wants to go to her doctor to get a prescription. As her nutritionist, what would you tell her and why? (2 pts)
Another client of yours is a vegan who is borderline vitamin A deficient and refuses to take vitamin A supplements.
What foods would you recommend to increase her vitamin A intake? Why. (2 pts)
Would you recommend decent amount of dietary fat to enhance vitamin A bioavailability? Why? (2 pts)If the client has protein deficiency, how do you expect it to impact vitamin A status? Why? (2 pts)