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nutriton and diet therapy: Ch. 8
Terms in this set (20)
A patient with low protein intake has frequent illness and infections. You suspect this may be due to:
not enough protein for antibody synthesis.
Which adult individual does not require a greater amount of protein than the RDA (0.8 g protein per kg of body weight per day)?
a sedentary middle-age individual
Which list orders peptides from largest to smallest?
Group of answer choices
polypeptides, tripeptides, dipeptides, amino acids
Before converting protein to glucose or fat, the _____ must be removed.
Which contributes high-quality protein with the lowest amount of saturated fat?
3 ounces of turkey breast
Protein is synthesized by linking different amino acids together by _____ bonds into a chain.
Wheat (in isolation) does not contain enough lysine for protein synthesis. Therefore, wheat is:
an incomplete protein.
Which food group provides the least protein?
To prevent toxic buildup of ammonia in the body with high protein intake:
the liver converts ammonia to the less toxic urea.
In the stomach, protein is denatured and digested by:
hydrochloric acid and pepsin.
What distinguishes protein from other macronutrients?
Protein contains nitrogen.
Amino acids differ based on
their side chain (R-group).
The process of assembling amino acids into proteins is called:
Group of answer choices
Pancreatic proteases and brush border proteases in the small intestines break polypeptides into
smaller polypeptides and single amino acids.
A child suffering from protein malnutrition has a swollen belly appearance due to:
not eating enough protein for tissue fluid balance.
Which of the following is NOT a major function of protein?
nerve impulse transmission
All of the following individuals are typically in positive nitrogen balance EXCEPT
a person who is starving or fasting for prolonged periods
What two steps are required for protein synthesis?
transcription and translation
If a weight lifter consumes protein drinks beyond his/her protein and caloric needs, what will happen to the extra protein?
Excess amino acids will be deaminated and the keto acid fragments will be converted into fatty acids.
Which of the following plant foods are considered high-quality protein sources?
tofu (soy) and quinoa
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