RDN Exam Prep Questions and Verified

RDN Exam Prep Questions and Verified Answers, 100% Guarantee Pass (Latest 2025) Lactose intolerance is diagnosed by which of the following tests?

• Breath hydrogen test
• Lactose tolerance test
• Blood lactase test
• A & B - Correct Answers ✅D. A&B

Which of the following statements demonstrates the correct wording for a null hypothesis?

• Women who consume large amounts of dietary fiber have

the same rates of cardiovascular disease as women who consume lesser amounts of dietary fiber.

• Women who consume large amounts of dietary fiber have

lower rates of cardiovascular disease than women who consume lesser amounts of dietary fiber.

• Dietary fiber intake does not affect rates of cardiovascular

disease in women.

• Women should eat more dietary fiber to lower their risk of

cardiovascular disease. - Correct Answers ✅A - Women who consume large amounts of dietary fiber have the same rates of cardiovascular disease as women who consume lesser amounts of dietary fiber. 1 / 4

RDN Exam Prep Questions and Verified Answers, 100% Guarantee Pass (Latest 2025)

The limiting amino acid in soybeans is:

• Tryptophan
• Arginine
• Histadine
• Methionine - Correct Answers ✅D. Methionine

What effect does cooking have on carbohydrates in foods?

• Helps soften cellulose
• Makes starch less digestible
• Breaks disaccharides down into monosaccharides
• A & C - Correct Answers ✅D. A & C

Which protein-digesting enzymes are produced by the

pancreas:

• Trypsin, chymotrypsin, carboxypeptidase
• Amylase, maltase, sucrase
• Peptidase, lipase, esterase
• Nuclease, secretin, cholycystekinin - Correct Answers

✅D. Nuclease, secretin, cholycystekinin 2 / 4

RDN Exam Prep Questions and Verified Answers, 100% Guarantee Pass (Latest 2025) In which of the following situations is it permissible for food handlers not to wear disposable gloves?

• Filling bins on a salad bar
• Mixing chopped vegetables into a kettle of broth
• Washing fresh fruits and vegetables
• Refilling bowls of ice cubes on a buffet table - Correct

Answers ✅C - Washing fresh fruits and vegetables Cooking vegetables in acid has which of the following effects?

• Activates the toxin that causes botulism
• Causes color changes by breaking down chlorophyll
• Results in loss of water-soluble vitamins
• B & C - Correct Answers ✅D - B & C

Which of the following is true about whole wheat flour?

• It contains the aleurone and scutellum segments of the

grain.

• It is a good source of B vitamins and vitamin E.
• It is often used in pastry baking. 3 / 4

RDN Exam Prep Questions and Verified Answers, 100% Guarantee Pass (Latest 2025)

• A & B - Correct Answers ✅D - A & B

Which of the following is not true about steam cooking?

• It may use 5-15 PSI
• Temperature is inversely related to PSI
• Cooking temperature can exceed 212' F
• A & B - Correct Answers ✅B. Temperature is inversely

related to PSI Rare or undercooked steak may be sold under what conditions?

• The clientele is not a high-risk population
• Information outlining the risks of eating rare meat is clearly

posted

• It is the only meat item on the menu that day
• A & B - Correct Answers ✅D. A & B

The cook/chill method of food preparation involves:

• Preparing and refrigerating foods that will be served cold
• Deep-freezing large batches of cooked foods
• / 4