Question 1

Rosa is a teenager who has an eating disorder characterized by self-imposed starvation.Based on this information,her body is in ____ nitrogen balance.

Accepted Answer

A) negative 
B) positive 
C) denatured 
D) activated

Question 2

During digestion,which of the following substances denatures the proteins in food?

Accepted Answer

A) Amylase 
B) Mucus 
C) Intrinsic factor 
D) Stomach acid

Question 3

Instructions for making proteins are coded in a cell's ________.

Accepted Answer

A) golgi apparatus 
B) plasma membrane 
C) ribosomes 
D) DNA

Question 4

Proteins ________.

Accepted Answer

A) are comprised of amino acids 
B) have phosphorus in their chemical structures 
C) provide 7 kcal/g 
D) are stored as glycogen in the body

Question 5

Carmen is an active child who is allergic to peanuts.While attending a classroom party,Carmen accidentally was exposed to trail mix that contained peanuts,and she rapidly developed _____ as a result.

Accepted Answer

A) positive protein balance 
B) cirrhosis of the liver 
C) anaphylactic shock 
D) gluten sensitivity

Question 6

Which of the following menu items contains complementary protein?

Accepted Answer

A) Whole-wheat bread with strawberry jam 
B) Banana,apple,and grapefruit slices in a mixed fruit salad 
C) Whole-wheat crackers spread with soy nut butter 
D) Kidney and green beans in vinegar and oil

Question 7

Two-month-old Deanna is not growing normally.After Deanna underwent numerous tests,her physicians determined that she was born with a condition in which fat deposits form in cells that are not designed to store fat.The fat deposits eventually kill the cells.Her older brother died as a result of the same disorder when he was 8 months of age.Based on this information,Deanna has ________.

Accepted Answer

A) type 1 diabetes 
B) celiac disease 
C) defective DNA 
D) metabolic syndrome

Question 8

Cameron was born with a condition that requires him to limit eating foods that contain phenylalanine.Based on this information,Cameron has ________.

Accepted Answer

A) amino acid toxicity syndrome 
B) IBD 
C) cystic fibrosis 
D) PKU

Question 9

Lucy has a disease that affects the functioning of her pancreas.Based on this information,she may have difficulty digesting proteins because of a lack of _______.

Accepted Answer

A) lipase 
B) amylase 
C) pepsin 
D) trypsin

Question 10

Fred is a lactovegetarian.Which of the following foods does he eat?

Accepted Answer

A) Fish 
B) Chicken 
C) Cheese 
D) Eggs

Question 11

Which of the following foods is a poor source of essential amino acids?

Accepted Answer

A) Cashew nuts 
B) Sunflower seeds 
C) Red cabbage 
D) Fat-free milk

Question 12

Lily is 22 years of age.She usually consumes about 1800 kcal per day.According to AMDR guidelines,protein should comprise ____% of her total energy intake.

Accepted Answer

A) 20 to 45 
B) 40 to 65 
C) 30 to 55 
D) 10 to 35

Question 13

Which of the following statements is true?

Accepted Answer

A) Application of heat,alcohol,or acid can kill proteins. 
B) The human digestive tract cannot digest the peptide bonds that hold amino acids together. 
C) Transamination is the process of removing the nitrogen group from an amino acid and transferring it to another substance. 
D) A protein molecule loses its natural folded and coiled shape as well as its usual functions when it undergoes hydrogenation.

Question 14

Bryce is an ovovegetarian.Which of the following foods does he eat?

Accepted Answer

A) Chicken salad 
B) Egg salad 
C) Turkey salad 
D) Tuna salad

Question 15

A gene is a

Accepted Answer

A) piece of DNA that codes for a specific protein. 
B) cellular organelle that helps maintain proper acid-base balance. 
C) type of lipoprotein that transports certain vitamins in the bloodstream. 
D) structure that helps transfer amino acids to ribosomes.

Question 16

A team of food scientists wants to develop a formula diet for newborns that is a nutritionally complete food that replaces human milk.To support normal infant development,the formula must have _____ as an ingredient.

Accepted Answer

A) homocysteine 
B) lysine 
C) lipase 
D) lactose

Question 17

Which of the following foods is a poor source of essential amino acids?

Accepted Answer

A) Fat-free milk 
B) Peanuts 
C) Sesame seeds 
D) Apple

Question 18

A team of food scientists wants to develop a formula diet for newborns that is a nutritionally complete food that replaces human milk.To support normal infant development,the formula must have all of the following ingredients,except ________.

Accepted Answer

A) phenylalanine 
B) methionine 
C) homocysteine 
D) tryptophan

Question 19

Which of the following substances is an enzyme that participates in the digestion of proteins?

Accepted Answer

A) Amylase 
B) Mucus 
C) Pepsin 
D) Lipase

Question 20

When combined,which of the following groups of foods forms a complementary protein dish?

Accepted Answer

A) Cranberries,apples,and marshmallows 
B) Kidney beans,rice,and sesame seeds 
C) Peaches,bananas,and apricots 
D) Iceberg lettuce,carrots,and tomatoes

Exam 7: Proteins

Rosa is a teenager who has an eating disorder characterized by self-imposed starvation.Based on this information,her body is in ____ nitrogen balance.

During digestion,which of the following substances denatures the proteins in food?

Instructions for making proteins are coded in a cell's ________.

Proteins ________.

Carmen is an active child who is allergic to peanuts.While attending a classroom party,Carmen accidentally was exposed to trail mix that contained peanuts,and she rapidly developed _____ as a result.

Which of the following menu items contains complementary protein?

Cameron was born with a condition that requires him to limit eating foods that contain phenylalanine.Based on this information,Cameron has ________.

Lucy has a disease that affects the functioning of her pancreas.Based on this information,she may have difficulty digesting proteins because of a lack of _______.

Fred is a lactovegetarian.Which of the following foods does he eat?

Which of the following foods is a poor source of essential amino acids?

Lily is 22 years of age.She usually consumes about 1800 kcal per day.According to AMDR guidelines,protein should comprise ____% of her total energy intake.

Which of the following statements is true?

Bryce is an ovovegetarian.Which of the following foods does he eat?

A gene is a

A team of food scientists wants to develop a formula diet for newborns that is a nutritionally complete food that replaces human milk.To support normal infant development,the formula must have _____ as an ingredient.

Which of the following foods is a poor source of essential amino acids?

A team of food scientists wants to develop a formula diet for newborns that is a nutritionally complete food that replaces human milk.To support normal infant development,the formula must have all of the following ingredients,except ________.

Which of the following substances is an enzyme that participates in the digestion of proteins?

When combined,which of the following groups of foods forms a complementary protein dish?