Question 1

When evaluating protein quality,which of the following measures represents the gain in body weight on a test protein divided by the grams of protein consumed?

Accepted Answer

A) chemical score 
B) BV (biological value) 
C) PER (protein efficiency ratio) 
D) NPU (net protein utilization) 
A) chemical score 
B) BV (biological value) 
C) PER (protein efficiency ratio) 
D) NPU (net protein utilization)

Question 2

The indispensable amino acid with the lowest Recommended Dietary Allowance is ____

Accepted Answer

A) leucine 
B) valine 
C) histidine 
D) tryptophan 
A) leucine 
B) valine 
C) histidine 
D) tryptophan

Question 3

In cases of stress and/or an inflammatory response,which functions does the body prioritize?

Accepted Answer

A) digestion and absorption 
B) wound repair and host defense 
C) respiration and excretion 
D) circulation and reproduction 
A) digestion and absorption 
B) wound repair and host defense 
C) respiration and excretion 
D) circulation and reproduction

Question 4

Which three amino acids cannot undergo transamination to an appreciable extent,making provision of their alpha-keto acids ineffective in lowering blood nitrogen concentrations in kidney disease patients?

Accepted Answer

A) leucine, isoleucine, valine 
B) lysine, threonine, histidine 
C) valine, tryptophan, phenylalanine 
D) methionine, cysteine, phenylalanine 
A) leucine, isoleucine, valine 
B) lysine, threonine, histidine 
C) valine, tryptophan, phenylalanine 
D) methionine, cysteine, phenylalanine

Question 5

Which regulatory peptides in the pancreatic phase of digestion activate the release of brush-border enzymes such as enteropeptidase?

Accepted Answer

A) trypsinogen and trypsin 
B) cholecystokinin and secretin 
C) carboxypeptidase A and B 
D) elastin and chymotrypsin 
A) trypsinogen and trypsin 
B) cholecystokinin and secretin 
C) carboxypeptidase A and B 
D) elastin and chymotrypsin

Question 6

Amino acids that are metabolized mostly in skeletal muscles are those with side chains ____.

Accepted Answer

A) containing aromatic rings 
B) that are branched 
C) containing basic groups 
D) containing sulfur atoms 
A) containing aromatic rings 
B) that are branched 
C) containing basic groups 
D) containing sulfur atoms

Question 7

Match the category of physiological proteins with their function.
-transport proteins

Accepted Answer

A) chemical messengers secreted by endocrine tissue and transported to target organs where they regulate metabolic processes 
B) combine with nutrients and regulate their circulation and their flow into and out of cells 
C) bind to antigens and inactivate them or cause them to be destroyed 
D) catalysts that change the rate of reactions occurring in the body 
E) fibrous and contractile proteins found in bone,teeth,skin,muscles,blood vessels,and hair 
A) chemical messengers secreted by endocrine tissue and transported to target organs where they regulate metabolic processes 
B) combine with nutrients and regulate their circulation and their flow into and out of cells 
C) bind to antigens and inactivate them or cause them to be destroyed 
D) catalysts that change the rate of reactions occurring in the body 
E) fibrous and contractile proteins found in bone,teeth,skin,muscles,blood vessels,and hair

Question 8

What is the primary mechanism for regulation of amino acids in excess of need for synthesis of protein,providing about 50% of the liver energy needs after a meal?

Accepted Answer

A) oxidation 
B) decarboxylation 
C) phosphorylation 
D) hydrogenation 
A) oxidation 
B) decarboxylation 
C) phosphorylation 
D) hydrogenation

Question 9

Match the amino acid to its precursor(s).
-tyrosine

Accepted Answer

A) glutamate,ammonia 
B) glutamate 
C) phenylalanine 
D) methionine,serine 
E) glutamine or glutamate,aspartate 
A) glutamate,ammonia 
B) glutamate 
C) phenylalanine 
D) methionine,serine 
E) glutamine or glutamate,aspartate

Question 10

What percentage of resting energy expenditure is attributed to protein synthesis and degradation?

Accepted Answer

A) 9% 
B) 10-25% 
C) 30-40% 
D) 45-55% 
A) 9% 
B) 10-25% 
C) 30-40% 
D) 45-55%

Question 11

The branched-chain amino acids found in the systemic circulation include ____.

Accepted Answer

A) glycine, alanine, threonine 
B) phenylalanine, tyrosine, tryptophan 
C) valine, leucine, isoleucine 
D) arginine, lysine, histidine 
A) glycine, alanine, threonine 
B) phenylalanine, tyrosine, tryptophan 
C) valine, leucine, isoleucine 
D) arginine, lysine, histidine

Question 12

Under fasting conditions,one would expect to find large amounts of free ammonia in the bloodstream due to the breakdown of amino acids for energy.

Accepted Answer

A) True 
 B)False

Question 13

Match the category of physiological proteins with their function.
-enzymes

Accepted Answer

A) chemical messengers secreted by endocrine tissue and transported to target organs where they regulate metabolic processes 
B) combine with nutrients and regulate their circulation and their flow into and out of cells 
C) bind to antigens and inactivate them or cause them to be destroyed 
D) catalysts that change the rate of reactions occurring in the body 
E) fibrous and contractile proteins found in bone,teeth,skin,muscles,blood vessels,and hair 
A) chemical messengers secreted by endocrine tissue and transported to target organs where they regulate metabolic processes 
B) combine with nutrients and regulate their circulation and their flow into and out of cells 
C) bind to antigens and inactivate them or cause them to be destroyed 
D) catalysts that change the rate of reactions occurring in the body 
E) fibrous and contractile proteins found in bone,teeth,skin,muscles,blood vessels,and hair

Question 14

In general,most amino acids are absorbed from the ____.

Accepted Answer

A) stomach 
B) duodenum and jejunum 
C) ileum 
D) colon 
A) stomach 
B) duodenum and jejunum 
C) ileum 
D) colon

Question 15

Which enzyme's activity is dependent on vitamin B₆?

Accepted Answer

A) phenylalanine hydroxylase 
B) tyrosine aminotransferase 
C) tyrosine hydroxylase 
D) tryptophan dioxygenase 
A) phenylalanine hydroxylase 
B) tyrosine aminotransferase 
C) tyrosine hydroxylase 
D) tryptophan dioxygenase

Question 16

What is the role of the liver in amino acid metabolism? Discuss three actions that occur in the liver as amino acids from the portal vein enter the liver.Your answer should include the types of compounds that are synthesized and the metabolic reactions involved.

Accepted Answer

​Synthesize proteins: This includes maki

Question 17

Assessment of nitrogen intake is based on ____.

Accepted Answer

A) amino acid intake 
B) protein intake 
C) carbohydrate intake 
D) lipid intake 
A) amino acid intake 
B) protein intake 
C) carbohydrate intake 
D) lipid intake

Question 18

Match the category of physiological proteins with their function.
-structural proteins

Accepted Answer

A) chemical messengers secreted by endocrine tissue and transported to target organs where they regulate metabolic processes 
B) combine with nutrients and regulate their circulation and their flow into and out of cells 
C) bind to antigens and inactivate them or cause them to be destroyed 
D) catalysts that change the rate of reactions occurring in the body 
E) fibrous and contractile proteins found in bone,teeth,skin,muscles,blood vessels,and hair 
A) chemical messengers secreted by endocrine tissue and transported to target organs where they regulate metabolic processes 
B) combine with nutrients and regulate their circulation and their flow into and out of cells 
C) bind to antigens and inactivate them or cause them to be destroyed 
D) catalysts that change the rate of reactions occurring in the body 
E) fibrous and contractile proteins found in bone,teeth,skin,muscles,blood vessels,and hair

Question 19

The measurement of food nitrogen consumed rather than retention of food nitrogen absorbed is called the ____.

Accepted Answer

A) protein efficiency ratio 
B) biological value 
C) chemical score 
D) net protein utilization 
A) protein efficiency ratio 
B) biological value 
C) chemical score 
D) net protein utilization

Question 20

The amino acid reference pattern established for all people (except infants)is the amino acid requirements of ____.

Accepted Answer

A) high school students aged 15-18 
B) middle school children aged 11-13 
C) preschool children aged 1-3 
D) adolescents aged 13-16 
A) high school students aged 15-18 
B) middle school children aged 11-13 
C) preschool children aged 1-3 
D) adolescents aged 13-16

When evaluating protein quality,which of the following measures represents the gain in body weight on a test protein divided by the grams of protein consumed?

The indispensable amino acid with the lowest Recommended Dietary Allowance is ____

In cases of stress and/or an inflammatory response,which functions does the body prioritize?

Which three amino acids cannot undergo transamination to an appreciable extent,making provision of their alpha-keto acids ineffective in lowering blood nitrogen concentrations in kidney disease patients?

Which regulatory peptides in the pancreatic phase of digestion activate the release of brush-border enzymes such as enteropeptidase?

Amino acids that are metabolized mostly in skeletal muscles are those with side chains ____.

Match the category of physiological proteins with their function. -transport proteins

What is the primary mechanism for regulation of amino acids in excess of need for synthesis of protein,providing about 50% of the liver energy needs after a meal?

Match the amino acid to its precursor(s). -tyrosine

What percentage of resting energy expenditure is attributed to protein synthesis and degradation?

The branched-chain amino acids found in the systemic circulation include ____.

Under fasting conditions,one would expect to find large amounts of free ammonia in the bloodstream due to the breakdown of amino acids for energy.

Match the category of physiological proteins with their function. -enzymes

In general,most amino acids are absorbed from the ____.

Which enzyme's activity is dependent on vitamin B₆?

What is the role of the liver in amino acid metabolism? Discuss three actions that occur in the liver as amino acids from the portal vein enter the liver.Your answer should include the types of compounds that are synthesized and the metabolic reactions involved.

Assessment of nitrogen intake is based on ____.

Match the category of physiological proteins with their function. -structural proteins

The measurement of food nitrogen consumed rather than retention of food nitrogen absorbed is called the ____.

The amino acid reference pattern established for all people (except infants)is the amino acid requirements of ____.

The Cell: A Microcosm of Life

The Digestive System: Mechanism for Nourishing the Body

Carbohydrates

Fiber

Lipids

Integration and Regulation of Metabolism and the Impact of Exercise

Energy Expenditure, Body Composition, and Healthy Weight

Water-Soluble Vitamins

Fat-Soluble Vitamins

Major Minerals

Water and Electrolytes

Essential Trace and Ultratrace Minerals

Nonessential Trace and Ultratrace Minerals

Filters

Exam 6: Protein

When evaluating protein quality,which of the following measures represents the gain in body weight on a test protein divided by the grams of protein consumed?

The indispensable amino acid with the lowest Recommended Dietary Allowance is ____

In cases of stress and/or an inflammatory response,which functions does the body prioritize?

Which three amino acids cannot undergo transamination to an appreciable extent,making provision of their alpha-keto acids ineffective in lowering blood nitrogen concentrations in kidney disease patients?

Which regulatory peptides in the pancreatic phase of digestion activate the release of brush-border enzymes such as enteropeptidase?

Amino acids that are metabolized mostly in skeletal muscles are those with side chains ____.

Match the category of physiological proteins with their function. -transport proteins

What is the primary mechanism for regulation of amino acids in excess of need for synthesis of protein,providing about 50% of the liver energy needs after a meal?

Match the amino acid to its precursor(s). -tyrosine

What percentage of resting energy expenditure is attributed to protein synthesis and degradation?

The branched-chain amino acids found in the systemic circulation include ____.

Under fasting conditions,one would expect to find large amounts of free ammonia in the bloodstream due to the breakdown of amino acids for energy.

Match the category of physiological proteins with their function. -enzymes

In general,most amino acids are absorbed from the ____.

Which enzyme's activity is dependent on vitamin B₆?

What is the role of the liver in amino acid metabolism? Discuss three actions that occur in the liver as amino acids from the portal vein enter the liver.Your answer should include the types of compounds that are synthesized and the metabolic reactions involved.

Assessment of nitrogen intake is based on ____.

Match the category of physiological proteins with their function. -structural proteins

The measurement of food nitrogen consumed rather than retention of food nitrogen absorbed is called the ____.

The amino acid reference pattern established for all people (except infants)is the amino acid requirements of ____.

The Cell: A Microcosm of Life

The Digestive System: Mechanism for Nourishing the Body

Carbohydrates

Fiber

Lipids

Integration and Regulation of Metabolism and the Impact of Exercise

Energy Expenditure, Body Composition, and Healthy Weight

Water-Soluble Vitamins

Fat-Soluble Vitamins

Major Minerals

Water and Electrolytes

Essential Trace and Ultratrace Minerals

Nonessential Trace and Ultratrace Minerals

Filters