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An) ________ is an atom or a group of atoms that has a positive or negative charge.

BIOL1322 Nutrition & Diet Therapy

Chapter 4 Quiz

Chapter 4 Quiz

A (An) ________ is an atom or a group of atoms that has a positive or negative charge.

Multiple Choice












Iron, calcium, and carbon are ________.


Multiple Choice












A liquid has a pH that is higher than the pH of pure water but lower than the pH of household ammonia. Based on this information, the liquid is a ________.


Multiple Choice


baking soda solution


tablespoon of fat-free milk


fluid ounce of black coffee


cup of lemon juice




A molecule forms when two or more atoms are attracted to each other and held together by ________.


Multiple Choice












Which of the following physiological changes is a result of anabolic chemical reactions?


Multiple Choice


Loss of body fat during a week of starvation


Enlargement of muscle tissue after 3 weeks of regular exercise


Breakdown of large food molecules within the lumen of the small intestine


The liver’s conversion of a large carbohydrate molecule into its component parts




Devon adds a little salt to a pot of water before he boils the water to cook pasta. When added to the water, the salt is a ________.


Multiple Choice












A primary function of the digestive system is the ________.


Multiple Choice


breakdown of food into nutrients


production of red blood cells


destruction of toxic metabolic by-products


transmission of nervous impulses




An ________ is a body structure composed of tissues that have related functions.


Multiple Choice












Which of the following foods is considered to be a probiotic?


Multiple Choice


Fresh lean meat


Yogurt with live and active cultures of Lactobacillus


Eggs laid by hens that consume organic feed


Breads and cereals made from refined enriched wheat flour




Which of the following compounds is not secreted by the human stomach?


Multiple Choice




Gastric juice




Hydrochloric acid




The process of digesting food begins in the ________.


Multiple Choice












Which of the following statements is true?


Multiple Choice


Prebiotics are immature probiotics.


Probiotics are beneficial bacteria that live in the human large intestine.


Prebiotics are harmful to gut microbiota.


Diets that contain a lot of probiotics have been clinically proven to cure colon cancer.




The ________ of a food describes the extent to which the body is able to absorb the nutrients from the food and use them.


Multiple Choice












Which of the following structures normally prevents swallowed food from entering the larynx and trachea?


Multiple Choice


Voice box










Marcus has an infection that causes a temporary loss of villi. Based on this information, you would expect Marcus to ________ while he has this illness.


Multiple Choice


digest proteins more efficiently


develop gallstones.


lose weight rapidly


absorb vitamins more rapidly




Which of the following statements is true?


Multiple Choice


Foods that taste bitter are generally good energy sources because of their high carbohydrate contents.


Older adults generally have fewer taste buds than children.


The gallbladder makes bile and stores the compound in the liver.


Segmentation enables chyme to move through the esophagus.




The ________ is the third segment of the small intestine.


Multiple Choice












Treatment of irritable bowel syndrome usually includes making dietary changes and ________.


Multiple Choice


reducing physical activity


learning ways to manage stress effectively


moving to a drier climate


having the lower third of the colon removed




Coretta has severe chronic gastroesophageal reflux disease (GERD). To reduce her likelihood of developing heartburn, her physician recommended that she ________.


Multiple Choice


drink chocolate milk shakes with meals


have a glass of wine with dinner


eat peppermint candy after meals


lose excess body fat




Tyler smokes cigarettes, drinks excess alcohol, and takes aspirins regularly to treat his headaches. Based on this information, Tyler has a high risk of developing ________.


Multiple Choice


irritable bowel syndrome


cystic fibrosis


peptic ulcers


chronic constipation


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