multiple choice questions Flashcards
Which statement is incorrect regarding lipids?
a) Unsaturated fats come mostly from plants and are liquid at room temp (oils)
b) trans fats are made industrially from saturated fats
c) lipoproteins are vehicles used to transport lipids in the circulation
d) omega-3 and omega-6 fatty acids are unsaturated
e) cholesterol circulating in blood is mainly made by the liver
b) trans fats are made industrially from saturated fats
Proteins are digested by enzymes produced by…
a) mouth, stomach, intestine
b) stomach, liver, small intestine
c) small intestine, mouth, liver
d) pancreas, stomach, small intestine
e) pancreas, stomach, liver amd large intestine
d) pancreas, stomach, small intestine
A triglyceride consists of …
a) glycerol + 3 fatty acids
b) amino acid, carboxyl group and side chain
c) 1, 2 or more hexoses
d) amino acids linked with peptide bonds
e) glycerol + phospholipid
a) glycerol + 3 fatty acids
Which statement is correct regarding vitamins?
a) cooked fruits and vegetables contain less vitamins than raw ones
b) vitamins are not stored, excess is eliminated via urine
c) all vitamins must be obtained from the diet
d) vitamins A, C, E, K are lipid-soluble
e) vitamins are never toxic of have harmful effects
a) cooked fruits and vegetables contain less vitamins than raw ones
Which statement is correct about fibers?
a) Fibers do not provide energy for the body
b) most fibers are polysaccharides
c) a meal rich in fibers prevents glycemia from increasing rapidly
d) fibers make you feel full for a longer time after a meal
e) all of the above
e) all of the above
Which of the following pathways are catabolic?
a) lipolysis, glycogenolysis and beta-oxidation
b) glycolysis, lipogenesis and gluconeogenesis
c) ketogenesis, lipolysis and glycogenesis
d) lipolysis, glycogenesis and beta-oxidation
e) gluconeogenesis, ketogenesis and lipogenesis
a) lipolysis, glycogenolysis and beta-oxidation
Which pathways are anabolic?
- glycolysis
- ketogenesis
- lipogenesis
- glycogenesis
- gluconeogenesis
- a verifier
Enzymes are organic catalysts that…
a) alter the direction in which a chemical reaction proceeds
b) are destroyed once they catalysed a reaction
c) increase the speed of a chemical reaction (by lowering its activation energy)
d) increase the activation energy of a chemical reaction
e) all of the above
c) increase the speed of a chemical reaction (by lowering its activation energy)
It helps with calcium absorption in the GI tract:
Vitamin D
Its deficiency leads to scurvy:
Vitamin C
True or False?
The following terms all refer to lipids:
- triglycerides
- phospholipids
- steroids
- fatty acids
TRUE
Name the activity of digestion: Segmentation in the small intestine
Mechanical Digestion
Which of the following is not characteristic of the colon?
a)
b)
c) It is the main site for monosaccharides absorption
d)
e)
c) It is the main site for monosaccharides absorption
A deficiency of this vitamin is associated with night blindness;
vitamin A
What is the mineral found in a hemoglobin protein?
Iron (Fe)
