NUTR 650 Exam 2 Questions And Answers 100% Correct With Complete Solutions

During puberty, the ovaries mature and the release of ________ and ________ increases. The cyclic release of these two hormones governs pubertal breast development. a. progesterone; lactogen b. follicle-stimulating hormone; testosterone c. estrogen; human growth hormone d. luteinizing hormone; testosterone e. estrogen; progesterone correct answer: E. Which hormone plays its main role during letdown—the ejection of milk from the milk gland into the milk ducts? a. human placental lactogen b. human growth hormone c. lactin d. oxytocin e. luteinizing hormone correct answer: D. The concentration of proteins synthesized in the breast is affected most by _________. a. the age of the infant b. the duration of breastfeeding c. maternal albumin levels d. maternal diet e. maternal weight correct answer: A. What carbohydrate component in human milk helps in preventing infection? a. oligosaccharides b. monosaccharides c. glucose d. lactose e. polysaccharides correct answer: A. What cellular component in human milk appears to offer more protection to the breast than to the immunocompetence of the infant? a. leukophage b. leukocyte c. binding proteins d. B-lymphocyte e. secretory immunoglobin A correct answer: B. The predominant immunoglobulin in human milk is ________, which also appears to be the most important in terms of protection conferred to the infant. a. sIgD b. sIgG c. sIgM