HNF 150 PRACTICE EXAM QUESTIONS WITH ALL CORRECT ANSWERS
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Course
HNF 150
Institution
HNF 150
HNF 150 PRACTICE EXAM QUESTIONS WITH ALL CORRECT ANSWERS
What is the WHO recommendation for refined sugars? - Answer- No more than 10% of calories should come from refined sugar
What are the three monosaccharides found in food? - Answer- Glucose, Galactose, Fructose
what is fructose? - An...
HNF 150 PRACTICE EXAM QUESTIONS
WITH ALL CORRECT ANSWERS
What is the WHO recommendation for refined sugars? - Answer- No more than 10% of
calories should come from refined sugar
What are the three monosaccharides found in food? - Answer- Glucose, Galactose,
Fructose
what is fructose? - Answer- A monosaccharide that gives fruit its sweet taste.
T/F: The rise in blood glucose concentration (after a large meal) is met with a decrease
in insulin release by the pancreatic beta cells. - Answer- false
Insulin resistance is associated with - Answer- type 2 Diabetes
Digestion of starch begins in the __________. - Answer- mouth
Most of the digestion of carbohydrates occurs in the ______. - Answer- Small intestine
Which organ of the body is responsible for converting absorbed monosaccharides into
glucose? - Answer- liver
The chief energy source for our body cells is: - Answer- glucose
What is Ketosis? - Answer- a metabolic state characterized by high levels of ketone
bodies in the blood or urine
What is a benefit of fiber? - Answer- Promotes feeling of fullness
Polysaccharides are made up of long strands of _______. - Answer- glucose units
What are the three monosaccharides? - Answer- Fructose, glucose, galactose
Which of the following happens in the body when blood glucose starts to fall? - Answer-
Glucagon triggers the breakdown of glycogen in the liver.
What hormone controls blood glucose immediately after eating? - Answer- insulin
Soluble dietary fiber is mostly broken down by _______________. - Answer- Digestive
enzymes in the stomach
,Which of the following is NOT a fate of glucose after it reaches the liver? - Answer- It
can be used to make essential amino acids.
What is the storage form of glucose found in our liver and muscle cells? - Answer-
Glycogen
True/False: A beneficial change in blood lipid profile occurs when monounsaturated
fatty acids are increased in the diet. - Answer- true
True/False: Consuming trans fat poses a risk to the heart and arteries by raising blood
LDL and reducing blood HDL. - Answer- true
Which fatty acids elevate LDL cholesterol and thus elevate the risk of heart disease and
heart attack? - Answer- trans fatty acids
Which is the best definition of satiety? The feeling of: - Answer- fullness or satisfaction a
person feels after mealtime.
Linoleic acid and Linolenic acid are important because... - Answer- They are both
polyunsaturated fatty acids that are essential nutrients for human beings.
What is the best definition of a phospholipid? - Answer- A lipid with 2 fatty acids and a
phosphate head group
If you want to increase your intake of omega-3 fatty acids, which of the following foods
would be an excellent source? - Answer- salmon
Which of the followings occurs in the small intestine during fat digestion? - Answer-
Triglycerides are cleaved into free fatty acids and glycerol
The lipoprotein that is responsible to transport triglycerides from the liver to the body
tissues is called... - Answer- LDL
Which class of fatty acids are the primary component of both coconut oil and palm oil? -
Answer- Saturated Fatty Acids
True/False: HDL is considered good because it is critical in the process of carrying
excess cholesterol away from body cells to the liver for disposal. - Answer- True
The risk of cardiovascular disease is reduced when saturated fat is replaced in the diet
with which of the following fats? - Answer- monounsaturated fat
What is the medical term for the muscle cell/lipid/calcium deposits that build up on
artery walls? - Answer- plaque
, When fatty acids are saturated, they carry the maximum possible number of
___________. - Answer- hydrogen atoms
Which of the following fats has been altered by an industrial process so that it
resembles saturated fats in texture and cooking properties? - Answer- trans fat
Which of the following is NOT a use of fat in our body? - Answer- precursors of protein
A fat that has no double bonds and is solid at room temperature is a... - Answer-
saturated fat
Which of these is NOT a type of lipid? - Answer- Peptide
Cholesterol can be found in all of the following foods EXCEPT: - Answer- Avocado
Which of the following is true about the recommendation for fat in the dietary
guidelines? - Answer- Keep fat consumption at between 10-15% of total calories
What is the main function of enzymes ? - Answer- Facilitate chemical reactions
An amino acid can be converted to ________ and burned for energy. - Answer- glucose
What makes each amino acid unique? - Answer- The composition of its side chain.
Which term best describes the nitrogen status of a patient who is confined to bed after
surgery? - Answer- negative nitrogen balance
The back bone of an amino acid contains an amine and a(n) _______ group. - Answer-
acid group
How many essential amino acids exist? - Answer- 9
Where are proteins split into single amino acids, dipeptides and tripeptides? - Answer-
Small Intestine
During protein digestion, what happens after the intestinal cells absorb amino acids? -
Answer- Amino acids are transported through the blood to the liver
Which type of vegetarian diet excludes meat, seafood, and eggs, but includes dairy? -
Answer- Lacto-vegetarian
Severe weight loss and muscle wasting, sparse thin hair, and dry wrinkled skin are
symptoms associated with which disease? - Answer- Marasmus
A/An__________ is a protein fragment (many amino acids linked in a chain). - Answer-
polypeptide
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