Nutrition Pt-quiz 3
Nutrition
- 1.What are proteins?
- A.
Lipids
- B.
Amino acids linked by peptide bonds
- C.
Micro-nutrients found in the earth
- 2.Can essential amino acids be manufactured by the body?
- A.
True
- B.
False
- 3.There are eight essential amino acids that must be obtained from the food supply or some other exogenous source. Select four
- A.
Aspartic acid
- B.
Tryptophan
- C.
Leucine
- D.
Methionine
- E.
Alanine
- F.
Valine
- G.
Arginine
- H.
Glutamine
- 4.The non-essential amino acids can be manufactured by the body using what?
- A.
Dietary nitrogen, carbohydrates and fat
- B.
Carbohydrates, fat, and proteins
- C.
Trace minerals
- D.
Vitamins and minerals
- 5.Proteins are broken down into amino acids for the body to absorb. List three things the body uses protein or amino acids for.
- A.
Energy
- B.
Tissue replacement
- C.
Rest
- D.
Muscle reduction
- E.
Fat loss
- F.
Tissue addition
- 6.As proteins enter the stomach for digestion, what acid uncoils or denatures the protein so that digestive enzymes can begin dismantling the peptide bonds?
- A.
Sodium Chloride (NaCl)
- B.
Citric Acid
- C.
Sodium Hydroxide (NaH2)
- D.
Hydrochloric acid (HCl)
- 7.In order for protein to be absorbed in the intestines, what organ besides the stomach aids in the breakdown of the amino acids into dipeptides, tripeptides, and singlular amino acids?
- A.
Pancreas
- B.
Lungs
- C.
Kidneys
- D.
Gallbladder
- 8.Once the HCl - hydrocholoric acid denatures the proteins what enzyme begins to cleave the proteins into smaller polypeptides and singular amino acids?
- A.
Sucrase
- B.
Lactase
- C.
Pepsin
- D.
Lipase
- 9.What is the name of the single celled epithelial cells found in the intestines?
- A.
Melanocytes
- B.
Enterocytes
- C.
Adiposecytes
- 10.The free form amino acids once in the bloodstream are released from the intestines to which organ through the blood supply?
- A.
Liver
- B.
Heart
- C.
Kidney
- 11.Proteins cannot be used for potential energy by being stored as fat.
- A.
True
- B.
False
- 12.The brain and nervous system have a constant need for:
- A.
Fat
- B.
Glucose
- C.
Protein
- 13.If carbohydrate or total energy intake is too low, the body has the ability to use amino acids(from dietary or body proteins) to provide energy?
- A.
True
- B.
False
- 14.Once the amino acids are deaminated (or stripped of the amine group) the remaining carbon skeleton is used for the production of?
- A.
Sucrose
- B.
Glucose
- C.
Glucose and ketones
- D.
Amino acids
- E.
Carbohydrates and fat
- 15.Is ammonia, a toxic compound, converted to urea in the liver and excreted by the lungs?
- A.
True
- B.
False
- 16.Can protein be stored as fat?
- A.
True
- B.
False
- 17.Will consuming specially prepared high-BV proteins allow an individual who is already consuming adequate protein build muscle to a greater degree and more quickly?
- A.
True
- B.
False
- 18.What does NPU stand for?
- A.
No protein utilized
- B.
Net protein utilization
- C.
New protein utilization
- 19.PER stands for protein efficiency ration?
- A.
True
- B.
False
- 20.Both anaerobic and aerobic exercise affect protein requirements in different ways.
- A.
True
- B.
False
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