DHN 101 Exam 1, DHN EXAM 1, DHN
exam 1
Jillian drinks a couple of beers and smokes over a pack of cigarettes daily. Even though
she's about 40lbs overweight, she likes to wear tight-fitting clothes. Based on this info,
Jillian has a high risk of developing ____? correct answers gastroesophageal reflux
disease
Which of the following statements is true? correct answers Older adults generally have
fewer taste buds than children
Which of the following statements is true? correct answers Most enzymes have names
that end with -ase.
Which of the following substances participates in a chemical reaction that results in the
digestion of fat? correct answers Gastric lipase
The primary function of the cardiovascular system is correct answers circulation of
blood throughout the body
Last night Sara ate French fries, fried fish, and creamy cole slaw. For dessert, she had
a chocolate milk shake. About an hour after eating this food, she suddenly complained
of severe abdominal pain. Based on this information, Sara probably has correct
answers gallstones
A molecule forms when two or more atoms are attracted to each other and held
together by correct answers bonds
Paisley usually has four bowel movements each week. Based on this info, Paisley
should correct answers not worry, because she is not constipated
The ____ is the second segment of the small intestine correct answers jejunum
A food has a pH that is higher than the pH of pure water but lower than the pH of oven
cleaner. Based on this info, the food is correct answers an egg white
A scientist adds 5 mcg of the mineral cadmium to the daily diet of 100 4-week-old lab
mice. After 12 weeks, the researcher weighs and takes blood samples from each
mouse. According to her findings, the mice lost weight during the 12-week period and
they have abnormal levels of certain hormones in their blood. Based on this info, what
would you tell the researcher about her findings? correct answers The findings are not
meaningful or valid because of the way she designed her study.
,A scientist discovers a chemical compound in certain rocks that she calls "stonia". She
cannot market extracts that contain stonia as a dietary supplement, because it correct
answers does not contain dietary ingredients
Zach takes 500 mg of vitamin C daily. He advises 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 correct answers anecdote
The professional football star Andro "The Man" McGraw claims the dietary supplement
AminoProFix helped him build muscle mass quickly and safely. His endorsement of the
product is an example of correct answers a testimonial
Which of the following products is a popular dietary supplement among American
adults? correct answers Echinacea
Scientists enroll 500 healthy adults in a study and collect dietary and other lifestyle info
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 those who ate fewer than 5 servings of fruits daily. This study is an
example of a ____ study correct answers prospective
An advertisement for a weight loss product includes ____, indicating that the ad is an
unreliable source of nutrition info, and the product is likely to be worthless.
A) the statement that individual results may vary
B) promises of a quick and easy path to weight loss
C) vague, meaningless terms correct answers all of these are correct
Which of the following observations is an example of an inverse correlation? correct
answers Women who smoke 5+ cigarettes each day during pregnancy are more likely
to give birth to underweight babies than women who smoke fewer than 5 cigarettes a
day during pregnancy
A magazine article about weight loss diets includes false information about the process
of digestion that uses scientific-sounding terms to make it seem factual. The faulty info
is an example of correct answers pseudoscience
A group of registered dietitians is planning to conduct a scientific study to investigate the
effects of eating honey on school-aged children's behavior. At first, the researchers will
correct answers make observations
Which of the following statements is true? correct answers The typical Asian diet
contains high amounts of vegetables and inadequate amounts of milk and milk products
Which of the following statements is true?
A) Dietitians usually rely on Daily Values to evaluate the nutritional adequacy of diets
, B) To avoid nutrient deficiency disorders, Americans should consume 50% of the EAR
for each nutrient
C) A person who meets the EER for his or her racial and/or ethnic ancestry will gain at
least 2 pounds/week correct answers None of these are correct
Kayla was a participant in a clinical study to determine how much vitamin C cures
scurvy, the vitamin's deficiency disease. During the study, Kayla consumed only a
formula diet that was nutritionally complete, except it did not contain vitamin C. Within a
few weeks, Kayla developed scurvy. At that point, researchers gave 2mg vitamin C to
her each day for a week, but her signs and symptoms of scurvy remained. In the weeks
that followed, the scientists continued to increase her intake of the vitamin by 2
mg/week. After a week of taking 10mg of vitamin C/day, she reported feeling much
better. Based on this info, researches concluded that Kayla's correct answers
requirement for vitamin C was 10 mg
Today, the only food Meghan ate was a casserole that contained 24 ounces of lemon-
flavored yogurt, 16 oz of cooked turkey, and 10 oz of cooked noodles. According to
MyPlate, she ate nothing from the group that includes correct answers fruit
A group of 50 adult male humans were in a clinical study to determine how much niacin
is toxic. During the first two weeks of the study, members of the group consumed only a
formula diet that was nutritionally complete, except it contained 24 mg niacin, which is
1.5 times the RDA for niacin (males). At that point in the study, all members reported
feeling fine, and they could function normally. During the next week, they were given a
formula that contained 48 mg niacin. Within a few days of consuming this formula, 90%
of the participants reported feeling ill, and they complained of having upset stomachs
and reddened facial skin. At that point, researchers gave the subjects a formula that
contain 16 mg niacin. After a week of consuming the new formula, all participants
reported feeling well again. Based on this information, the researchers concluded that
the correct answers UL for niacin was between 24 and 48 mg/day
Kristin uses % DVs to help plan nutritious menus with various packaged foods. She
should try to obtain at least 100% of the daily value for which of the following nutrients?
correct answers Vitamin C
Monique is a 19-year-old college student who would like to follow a Mediterranean diet
pattern instead of her typical "western" diet. Based on this info, she should correct
answers increase her intake of fruit and legumes
According to Dietary Guidelines for Ameircans, 2010, Americans should limit their
cholesterol intake to _____ mg/day correct answers 300
You are planning a party for a group of 22-year old college students. Some of the
students follow the dietary practices of the religion of Islam. Which of the following
beverages would be acceptable to everyone at the party? correct answers Iced punch
made with fruit juices and carbonated water
