Chapter 2 book questions

Popular health- related magazines typically publish articles that have been peer reviewed

False

Scientists use anecdotes as scientific evidence to support their findings

False

Which of the following journals does not have peer reviewed articles

a. Journal of the American medical association b. the new England journal of medicine c. journal of the American college of nutrition d. Men's journal ***

A testimonial is

a. an unbiased report about a products value b. a scientifically valid claim c. a personal endorsement of a product *** d. a form of scientific evidence

A fake treatment is a

a. anecdote b. double- blind study c. pseudoscience experiment d. placebo ***

A group of scientists observe a group of college students over 4 years to determine which of their characteristics leads to weight gain. This study is an example of

a. case- control study b. prospective study *** c. retrospective study d. experimental study

An aspect of _____ involves studying causes of health problems in a population

a. epidemiology *** b. technobiology c. diseadiology d. censusology

Generally, epidemiological studies

a. establish causation b. prove correlations c. cannot determine cause and effect relationships *** d. are experimental- based research efforts that examine two variables

The first step of the scientific method usually involves

a. gathering data b. developing a hypothesis c. identifying relationships between variables d. Making observations ***

Comparing individuals with iron- deficiency anemia to individuals who have very similar characteristics but are healthy would be an example of

a. prospective study b. anecdotal study c. retrospective study d. case- control study ***

Which of the following websited is most likely to provide biased and unreliable nutrition information

a. the site of a nationally recognized health association (.org) b. a site that promotes or sells dietary supplements (.com) *** c. the site of a U.S. government agency (.gov) d. an accredited college or universities site (.edu)

Which of the following substances would be classified as a dietary supplement according to the Dietary Supplement and Health Education Act of 1994?

a. tobacco b. aspirin c. ginseng *** d. ibuprofen

By conducting a prospective epidemiological study, medical researchers can determine risk factors that may influence health

True

Dietary supplements include vitamin pills as well as products that contain echinacea, ginseng, and garlic

True

In general, registered dietitians are reliable sources of food and nutritional information

True

The goverment agency that enforces consumer protection laws by investigating false or misleading health- related claims is the

a. Federal Trade Commission (FTC) *** b. Environmental Protection Agency (EPA) c. Agricultural Research Service (ARS) d. Centers foe Disease Control and Prevention (CDC)

The _____ is the federal agency that tries to ensure the safety and effectiveness of health related products

a. FDA *** b. FTC c. EPA d. USGS