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NTR 401 Final Exam Test Guide Questions and Answers
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NTR 401 Final Exam Test Guide Questions and Answers
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NTR 401 Final Exam Test GuideQuestions and Answers
Which part of the digestive system is known for its large cell membrane surface area
which aids in absorption via active transport and facilitated diffusion of nutrients into the
cells? - Answer-Duodenum
NOT:
stomach
transverse colon
ascending colon
Which of the following relationships were NOT used in the 2010 formulation of RDA's for
vitamin D? - Answer-Populations living at higher latitudes with less intense sunlight
have higher rates of diabetes and certain cancers.
In the stomach there are different cells that secrete gastric juices that aid in digestion.
Which cells in the stomach secrete HCl to help with protein denaturation? - Answer-
parietal cells
NOT:
G cells
adipose cells
chief cells
Which is least likely to stimulate gastric secretions? - Answer-A drop in pH of the
stomach contents
NOT:
-aroma of food triggering vagus nerve
-endocrine mechanisms releasing epinephrine in fear
-sudden presence of food in stomach
What side effects would you LEAST expect someone who experiences adult
hypolactasia to display after consuming a glass of milk? - Answer-Vomiting
NOT:
diarrhea
cramping
bloating
What is it called when a person is born unable to digest any products that contain the
disaccharide lactose? - Answer-Congenital lactase-phlorizin hydrolase deficiency
, An individual with Persistent Adult Lactasia produces an enzyme in the ______ that
individuals who do not have this condition are missing. - Answer-Brush border of the
enterocytes
NOT:
liver
muscle
pancreas
What is the binding protein used in Ca absorption that shuttles Ca across the cell
cytosol of an enterocyte in order to result in Ca absorption into the plasma? - Answer-
Calbindin D
NOT:
calcitriol
calmodulin
calcitonin
Salivary amylase and pancreatic amylase breaks the a(1-->4) glycosidic bonds of starch
producing all of the following substances EXCEPT... - Answer-Malt liquor
NOT:
limit dextrin
maltose
maltotriose
Why is there no digestion of starch in the stomach? - Answer-a low pH in the stomach
denatures amylase (needed to digest carbohydrates)
Which of the following statements shows the weakest evidence that a substance is an
essential nutrient? - Answer-infants hospitalized with intestinal bacterial infections were
given infant formula with or without the human milk protein lactoferrin added. The
lactoferrin groups recovered faster, indicating that this nutrient was essential.
The ________ is the average daily nutrient intake level estimated to meet the
requirement of half the healthy individuals in a particular life stage and gender group. -
Answer-Estimated average requirement
NOT:
recommended dietary allowance
adequate intake
recommended nutrient intake
Which of the following examples best illustrates a nutrients essentiality? - Answer-
Chromium binds to the protein apochromodulin and that complex is needed for full
activity of the tyrosine kinase function of the insulin receptor.
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