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NTR 401/501 Final Exam Questions with Latest Update
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NTR 401/501 Final Exam Questions with Latest Update
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NTR 401/501 Final Exam Questions withLatest Update
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-a) duodenum
b) stomach
c) transverse colon
d) ascending colon
A
Which of the following relationships were NOT used in the 2010 formulation of RDAs for
vitamin D - Answer-a) increased calcium absorption leads to greater calcium storage in
the bone.
b) Vitamin D is a nutrient that is related to calcium absorption.
c) Greater bone density in early life leads to fewer fractures in the elderly.
d) Populations living at higher altitudes with less intense sunlight have higher rates of
diabetes and certain cancers.
D
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-a)
Gastrin (G) cells
b) Adipose cells
c) Parietal cells
d) Chief Cells
C
Which of the following is LEAST likely to stimulate gastric secretions - Answer-a) Aroma
of food triggering the vagus nerve
b) Endocrine mechanisms that release epinephrine in fear or anticipation
c) The sudden presence of food in the stomach
d) A drop in pH of the stomach contents
D
Which side effects would you LEAST expect someone who experiences adult
hypolactasia to display after consuming a glass of milk - Answer-a) diarrhea
b) cramping
c) bloating
d) vomiting
D
What is it called when a person is born unable to digest any products that contain the
disaccharide lactose - Answer-a) Human Immunodeficiency Virus
, b) Adult hypolactasia
c) Persistent adult lactasia
d) Congenital lactase-phlorizin hydrolase deficiency
D
An individual with Persistent Adult Lactasia produces an enzyme in the __________
that individuals who do not have this condition are missing - Answer-a) Brush border of
the enterocytes
b) Liver
c) muscle
d) Pancreas
A
Calcium absorption in the small intestines involves the two main transport systems,
active transport and diffusion. The active transport system is the main transport system
for calcium and is saturable and carrier-mediated. What is the binding protein used in
calcium absorption that shuttles calcium across the cell cytosol of an enterocyte in order
to result in calcium absorption into the plasma - Answer-a) Calcitriol
b) Calmodulin
c) Calbindin D
d) Calcitonin
C
Salivary amylase and pancreatic amylase breaks the α(1→4) glycosidic bonds of starch
producing all of the following substances EXCEPT - Answer-a) Limit dextrin
b) Malt liquor
c) Maltose
d) Maltotriose
B
Why is there no digestion of starch in the stomach - Answer-a) The low pH in the
stomach denatures amylase
b) Most of the starch we eat is called resistant starch because it is resistant to stomach
enzymes
c) Salivary amylase has completed the digestion process before starch reaches the
stomach
d) The pH is too high
A
Which of the following statements shows the weakest evidence that a substance is an
essential nutrient - Answer-a) Small for age children with a characteristic rash were
given zinc supplements; the rash disappeared and they
started to grow faster than their peers (compensatory growth).
b) Rats fed a purified diet with all known essential nutrient except vitamin A showed
poor growth, inability to
reproduce, and lesions on the cornea.
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