CBNS Exam Study Guide Questions And
Correct Answers
Examples of dietary nutrients absorbed directly into the enterohepatic portal blood
system include: - ANSWER amino acids, medium-chain fatty acids, monosaccharides
The hormone responsible for the decrease in gastrointestinal smooth muscle tone and
motility during pregnancy is: - ANSWER progesterone
The ingestion of a meal containing large amounts of saturated fat will result in a
transient increase in the serum concentration of: - ANSWER chylomicrons
Product of enterokinase reaction is : - ANSWER trypsin
Majority of iron is transported in blood by plasma carrier : - ANSWER transferrin
The organs that are most active in the synthesis of endogenous cholesterol are the liver
and the: - ANSWER adrenal glands
Lactulose is a carbohydrate that is: - ANSWER a nonabsorbable laxative
digested dietary protein is absorbed primarily in the: - ANSWER jejunum
Facilitated diffusion
Monosaccharides are transferred across the placenta from the maternal circulation to
the fetal circulation by the process of :
If a bolus containing 600mOsm/L enters the jejunum, the net direction of fluid movement
,in the intestinal tract will be:
From the circulation to the intestinal lumen
Excessive production of gas within the intestines may be caused by excessive colonic
bacterial fermentation of unabsorbed :
Carbohydrates
A major intracellular antioxidant is the nutrient: - ANSWER glutathione
A required prerequisite to the digestion of proteins is the HCl-dependent process called:
- ANSWER denaturation
The true digestibility of dietary fatty acids is: - ANSWER >95%
The structures of linoleic acid and gamma-linolenic acid differ in their: - ANSWER
numbers of double bonds
A nutrient that is NOT considered to be a component of dietary fiber is: ANSWER
amylose
The major constituents of dietary fats and oils are: ANSWER triglycerides
A nutrient is considered to be conditionally essential under conditions whereby :
ANSWER its endogenous synthesis is insufficient to meet requirements
Storage depots for all the vitamins may be depleted because all the vitamins are:
ANSWER essential nutrients
, The process of adding a nutrient ot manufactured foods as a public health measure is
called: - ANSWER foritification
Food additives can be used: - ANSWER as effective preservatives
Nutrification is the - ANSWER addition of a nutrient to a food in order to assure the
distribution of that nutrient to a target population group
Ketones result from the metabolism of: - ANSWER fatty acids
The plasmalemma does not incorporate: - ANSWER vitamin A
The atrophic non-development of a tissue or organ is termed as: - ANSWER aplasia
Glutamine is the major energy source for the: - ANSWER small intestine
A metabolic effect of insulin is stimulation of: - ANSWER myocyte amino acid uptake
The most common skeletal complication of chronic renal failure is : - ANSWER
secondary hyperparathyroidism
Most circulating cholesterol is excreted from the body following metabolism to: -
ANSWER bile acids
Vitamin B12 is a required cofactor in the biochemical pathway by which glucose is
formed from the amino acid: - ANSWER valine
Copper forms part of: - ANSWER ceruloplasmin
Correct Answers
Examples of dietary nutrients absorbed directly into the enterohepatic portal blood
system include: - ANSWER amino acids, medium-chain fatty acids, monosaccharides
The hormone responsible for the decrease in gastrointestinal smooth muscle tone and
motility during pregnancy is: - ANSWER progesterone
The ingestion of a meal containing large amounts of saturated fat will result in a
transient increase in the serum concentration of: - ANSWER chylomicrons
Product of enterokinase reaction is : - ANSWER trypsin
Majority of iron is transported in blood by plasma carrier : - ANSWER transferrin
The organs that are most active in the synthesis of endogenous cholesterol are the liver
and the: - ANSWER adrenal glands
Lactulose is a carbohydrate that is: - ANSWER a nonabsorbable laxative
digested dietary protein is absorbed primarily in the: - ANSWER jejunum
Facilitated diffusion
Monosaccharides are transferred across the placenta from the maternal circulation to
the fetal circulation by the process of :
If a bolus containing 600mOsm/L enters the jejunum, the net direction of fluid movement
,in the intestinal tract will be:
From the circulation to the intestinal lumen
Excessive production of gas within the intestines may be caused by excessive colonic
bacterial fermentation of unabsorbed :
Carbohydrates
A major intracellular antioxidant is the nutrient: - ANSWER glutathione
A required prerequisite to the digestion of proteins is the HCl-dependent process called:
- ANSWER denaturation
The true digestibility of dietary fatty acids is: - ANSWER >95%
The structures of linoleic acid and gamma-linolenic acid differ in their: - ANSWER
numbers of double bonds
A nutrient that is NOT considered to be a component of dietary fiber is: ANSWER
amylose
The major constituents of dietary fats and oils are: ANSWER triglycerides
A nutrient is considered to be conditionally essential under conditions whereby :
ANSWER its endogenous synthesis is insufficient to meet requirements
Storage depots for all the vitamins may be depleted because all the vitamins are:
ANSWER essential nutrients
, The process of adding a nutrient ot manufactured foods as a public health measure is
called: - ANSWER foritification
Food additives can be used: - ANSWER as effective preservatives
Nutrification is the - ANSWER addition of a nutrient to a food in order to assure the
distribution of that nutrient to a target population group
Ketones result from the metabolism of: - ANSWER fatty acids
The plasmalemma does not incorporate: - ANSWER vitamin A
The atrophic non-development of a tissue or organ is termed as: - ANSWER aplasia
Glutamine is the major energy source for the: - ANSWER small intestine
A metabolic effect of insulin is stimulation of: - ANSWER myocyte amino acid uptake
The most common skeletal complication of chronic renal failure is : - ANSWER
secondary hyperparathyroidism
Most circulating cholesterol is excreted from the body following metabolism to: -
ANSWER bile acids
Vitamin B12 is a required cofactor in the biochemical pathway by which glucose is
formed from the amino acid: - ANSWER valine
Copper forms part of: - ANSWER ceruloplasmin
