nutrition 1 practice questions

Which of the following statements is true?

Fruits and vegetables are sources of fiber.

Which of the following nutrients is a micronutrient?

Iron

Which of the following sweeteners provides 4 kcal/g?

Sucrose

Scientists at a major university have isolated a chemical from grapes. Which of the following features is an indication that this chemical could be a vitamin?

When a person's diet lacks the chemical, his or her body experiences abnormal functioning.

The primary function of the cardiovascular system is

circulation of blood throughout the body.

Chyme moves from the stomach into the

duodenum

An ________ is a compound that speeds up (catalyzes) a chemical reaction.

enzyme

Glycogen is composed of ________ molecules.

glucose

The Tolerable Upper Limit for a nutrient is the

highest average amount that is unlikely to harm most people when consumed daily.

The ________ is an accessory organ of the digestive system.

jejunum

The ________ is the second segment of the small intestine.

jejunum

A food scientist is developing a infant formula that simulates the composition of breast milk. Based on this information, which of the following substances would he add to the formula's recipe?

lactose

An essential nutrient

must be supplied by the diet.

Table sugar is nearly ________ carbohydrate.

100%

A serving of food contains 2 g carbohydrate, 16 g protein, 6 g fat, 2 mcg vitamin B12, and 60 mg iron. Based on this information, this food provides ________ kcal/serving.

126

Jorge weighs 198 pounds. What is his weight in kilograms?

90 kg

Which of the following statements is true?

A diet that contains whole-grain foods may help relieve constipation.

Avi's salivary glands do not secrete amylase. As a result of his condition, his mouth cannot

begin starch digestion.

The common name for glucose is ________ sugar.

blood

Which of the following organs is not an accessory organ of the digestive system?

brain

Which of the following substances is a phytochemical?

caffeine