Exam 4: Nutrition and Digestion

The duodenum is the first 10 inches of the large intestine and is where few chemical changes occur in food.

The Institute of Medicine has developed and published the Dietary Reference Intakes (DRIs)which represent the most current scientific knowledge about the nutrient needs of a healthy population.

The first RDA were published by a group known as the ____.

Adding fiber to a diet cannot reduce symptoms of chronic constipation,diverticular disease,or hemorrhoids,unless vitamin C is added as well.

The MyPlate dietary guidelines provided by the USDA is difficult for the average person to follow to ensure adequate nutrition and requires additional information to interpret its meaning.

The RDA was initially established during _____.

Fiber is important in ____ function.

The liver secretes many digestive enzymes into the small intestine.

Vegetarian diets are inconsistent with the Dietary Guidelines for Americans and vegetarians must add vitamin B12,vitamin D,and calcium to their diet.

An adult should drink ____ glasses of water per day.

Carbohydrates and proteins provide about ____ calories per gram.

The RDA has been revised many times,although we are currently using the edition published in _____.

The first of four main stages of food processing by the body is ingestion which is the act of eating,that is chewing and swallowing.

A primary goal of food science is to preserve the nutrients through all phases of food harvesting,processing,storage,and preparation.

Good food choices can help reduce the risk of chronic diseases such as heart disease,diabetes,and stroke.

RDA stands for Recommended _____ Allowances.

Good diets can reduce major risk factors for chronic diseases such as obesity,high blood pressure,and high blood cholesterol.

Fat contributes about ____ calories per gram.

A key message of the MyPlate program as a new nutritional guide is to make _____ of your plate fruits and vegetables.

____ percent of the adult body is made up of water.