Exam 2: Evaluating Nutrition Information

A popular fitness magazine has an article about the health benefits of high-fiber diets.If the article's author has the credentials _____ after his or her name,the article is likely to be a reliable source of nutrition information.

Scientists in a Central American country are studying factors that may be associated with delayed physical growth among a group of low-income children.The children live in a region of the nation that has high levels of lead in drinking water.This study is an example of a(an)____ study.

A group of registered dietitian nutritionists is planning to conduct a scientific study to investigate the effects of eating honey on school-age children's behavior.At first,the researchers will ________.

Scientists enroll 500 healthy adults in a study and collect dietary and other lifestyle information about the group.After 6 years,the scientists determine that study participants who ate at least 5 servings of fruits and vegetables daily were less likely to develop high blood pressure than participants who ate fewer than 5 servings of these foods daily.This study is an example of a(n)____ study.

A group of scientists conducts a scientific study to investigate dietary factors that influence the development of obesity.Which of the following activities is not likely to be a component of their research efforts?

Which of the following observations is an example of an inverse correlation?

Which of the following statements is true?

Which of the following statements is true?

Scientists who investigate lifestyle factors that influence the prevalence of obesity among different human population groups are conducting a(n)____ study.

After examining a patient and reviewing the results of his blood tests,a physician tells the patient that his mild depressive symptoms are not the result of a serious health problem.The physician suggests that the patient should try regular exercise and take the dietary supplement St.John's wort for 3 months.After this period,the physician will prescribe antidepressant medication,if the patient does not feel emotionally better.This advice is ________.

The host of a radio program makes a "red flag" claim about a nutrition-related product,because the claim is generally an indication that the information about the product is unreliable.The radio program host said,________.

Zack takes 500 mg of vitamin C daily.He advises his friends to take vitamin C supplements because,he claims,the vitamin protects him from cold viruses.His claim about the usefulness of the vitamin is an ________.

A group of scientists would like to determine lifestyle factors that are associated with the development of asthma among American children.Based on this information,the researchers should design a (an)_____ study.

A physician who hosts a popular TV show makes several nutrition-related claims during one of the programs.Which of the doctor's claims is a "red flag" of unreliable information?

Which of the following statements is false?

Scientists conduct a study in which 100 adults with chronic diarrhea are divided into 2 groups of 50 people.One group is given a supply of yogurt that contains a certain kind of bacteria and the other group is given yogurt that is bacteria free.The study's participants and researchers do not know which group of subjects has the bacteria in the yogurt and which group does not.The scientists instruct the participants to eat the entire 8 ounces of yogurt once a day for a month and record the their bowel habits.This is an example of a(n)____ study.

A nutrition researcher would like to determine whether healthy women who take fish oil supplements during pregnancy give birth to children who score higher on basic intelligence tests when they are 5 years of age.The scientist plans to compare the IQ test results of this group of children with the test results of a group of 5-year-old children with similar backgrounds whose mothers were healthy but did not take fish oil supplements when pregnant.This kind of research is a _____ study.

Derek takes protein supplements before and after his workouts.He told his workout partner that he became 200% stronger within a couple of months after he added the supplements to his diet.His report about the effects of the supplements is an example of a(an)________.

Which of the following statements is true?

Which of the following websites is most likely a source of biased and unreliable nutrition information?