Nutrition Chapter 1 Test
Geoff wants to lower his risk of cancer. According to scientific studies, consuming ________ may decrease his risk of this chronic disease.
fresh fruits and vegetables
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,
"According to the FDA, this product is classified a dietary supplement, because it contains vitamins."
Max wants to increase his intake of vitamin C without taking a dietary supplement. When he shops for food, he reads Nutrition Facts labels. Which of the following kinds of information will help him choose foods that are the richest sources of vitamin C?
%DV's
Which of the following standards can help you compare nutritional contents of packaged foods to make more healthful choices?
%DVs
A serving of food contains 15 g carbohydrate, 3 g protein, 5 g fat, 5 mg vitamin C, and 100 mL water. Based on this information, a serving of this food supplies
117 kcals.
What is the RDA for vitamin D?
15 μg/day
Derek wants to eat enough salad greens in one meal to equal 1 cup of vegetables. How much of the greens should he eat?
2 cups
Chase is a 22-year-old college student. According to recommendations of the Acceptable Macronutrient Distribution Range (AMDR), fat should comprise ________% of his total energy intake each day.
20 to 35
What is the RDA for folate?
400 DFE
MyPlate groups foods into ________ major categories.
5
The RDA for vitamin C is?
90 mg/day for men 75 mg/day for women
A deficiency of vitamin ________ results in deterioration of epithelial cells.
A
Under the current law on nutrition labeling, the Nutrition Facts panel must include which of the following?
All of the above
Function(s) of thiamine include
All the above are correct.
________ prevent or limit the ability of free radicals to damage polyunsaturated fatty acids and DNA in cells.
Antioxidants
Which of the following foods has a low glycemic index (less than 70)?
Apple
Which of the following foods is naturally a rich source of monounsaturated fatty acids?
Avocado
Which of the following sources of oils would be recommended as part of a healthy diet?
Avocado
Which of the following cooking methods can result in major losses of water-soluble vitamins?
Boiling in a saucepan of water
Which of the following statements is true?
Certain proteins transport nutrients and oxygen in the bloodstream.
Which of the following conditions is characterized by inflammation and swelling of the intestinal tract?
Crohn's disease
Instructions for making proteins are coded in a cell's ________.
DNA
A nutrition scientist wants to develop a nutritionally complete formula diet for adults who are healthy but need to avoid solid food for a while. Based on this information, she is likely to refer to ________ when developing the new formula.
DRIs
A nutrition scientist wants to develop a nutritionally complete formula diet for adults who are healthy but need to avoid solid food for awhile. Based on this information, she is likely to refer to ________ when developing the new formula.
DRIs
According to the 2015-2020 version of the Dietary Guidelines, which of the following substances is a nutrient of public health concern?
Dietary fiber
Which of the following statements is true?
Edema is a major sign of protein-energy malnutrition.
Which of the following chemical pathways of glucose catabolism produces the highest amount of ATP molecules?
Electron chain transport
Which of the following is NOT a biological or physiological factor that influences a person's food choices?
Emotional stress level
Which of the following statements about enterocytes is false?
Enterocytes are located in the stomach and are necessary for intrinsic factor production.
Which of the following does NOT affect nutrient needs?
Ethnicity
Which of the following physical characteristics or health conditions is a sign of metabolic syndrome?
Fasting blood triglyceride levels that are consistently more than 150 mg/dl
Which of the following foods is the most nutrient-dense per serving?
Fat-free milk
Kristan 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?
Fiber
Which of the following foods are reliable dietary sources of vitamin D?
Fortified dairy products
Strawberries are naturally a source of which monosaccharide?
Fructose
Which of the following compounds is secreted by the human stomach?
Gastric juice
During glucose catabolism, pyruvate is produced during which of the following metabolic pathways?
Glycolysis
Which of the following cells of the large intestine secrete mucus?
Goblet cells
Which of the following microbes is associated with the development of most stomach ulcers?
H. pylori
A nutrition researcher adds 30 mg of the mineral iron to the daily diet of 50 4-week-old laboratory mice. After 10 weeks, the scientist takes blood samples from each mouse. According to his findings, the mice developed abnormal levels of certain enzymes in their red blood cells. Based on this information and your knowledge of scientific research, what would you tell him? Correct Answer
He should consider his findings as an observation and redesign the study to include a control group.
Which of the following statements about kwashiorkor is true?
Kwashiorkor results from consuming adequate energy, but insufficient high-quality protein. Kwashiorkor often develops in toddlers when their mother gives birth to another child. Kwashiorkor is most common in developing countries. -All of the choices are correct.-
Which of the following lipoproteins contains the highest percentage of cholesterol?
LDL
Which of the following foods is the most nutrient-dense per serving?
Leafy greens
ATP synthesis occurs in which of the following organelles?
Mitochondrion
Which of the following statements is TRUE?
Most foods are mixtures of nutrients.
Which of the following kinds of studies would be the best to use when designing a scientific investigation to determine whether there is an association between consuming diets low in calcium during adolescence and developing osteoporosis (bone disease) in older adulthood?
Observational study
All forms of vitmain B-6 form what coenzyme?
PLP.
Which of the following is NOT a major nutrition-related objective of Healthy People 2020?
Provide fitness trails to increase physical activity of children and adults.
Bill has reactive hypoglycemia. What steps can he take to reduce the likelihood that he has bouts of the disorder?
Reduce his intake of refined sugars
Which of the following statements is true?
The human digestive tract does not produce enzymes that digest dietary fiber.
Which type of diabetes is most common in the United States?
Type 2 diabetes
What vitamin is necessary as part of the coenzyme that facilitates transamination and deamination reactions?
Vitamin B-6
Kevin is a bodybuilder who takes a variety of vitamin supplements. He often has diarrhea, and last week he was diagnosed with a kidney stone. Based on this information, which of his supplements is most likely contributing to his current health problems?
Vitamin C
Which of the following substances is a nutrient that does NOT supply any energy for the human body?
Vitamin D
Which of the following statements is FALSE?
Vitamins A, D, E, and K are digested and absorbed with fats in the gastrointestinal tract.
Which of the following is a common sign or symptom of a food allergy?
Vomiting and/or diarrhea Swollen lips Hives -All of the choices are correct.-
Which of the following observations is an example of a negative correlation?
When a group of older adults increases their intake of high-fiber foods, the percentage of people in the group who develop intestinal cancer decreases.
The citric acid cycle is a/an ________ process.
aerobic
Antonio has severe chronic gastroesophageal reflux disease (GERD). To reduce his likelihood of developing heartburn, his physician recommended that he
avoid overeating during meals.
The human body can absorb some ________ that is synthesized by intestinal bacteria.
biotin
Dorothy is an 85-year-old woman who is having difficulty swallowing. Food seems to enter her stomach too slowly. Based on this information, Dorothy probably has a(n)
blockage caused by undigested fiber deposits in her jejunum.
A primary function of the digestive system is the
breakdown of food into nutrients.
Having excess body fat increases the risk of ________.
breast cancer
Generally, epidemiological studies ________.
cannot determine cause and effect relationships
Generally, epidemiological studies ________.
cannot determine cause-and-effect relationships
Energy-yielding nutrients include ________.
carbohydrates, proteins, and fats
Metabolic reactions that break down larger molecules into smaller ones are classified as ________.
catabolic
An online advertisement for a weight-loss product includes before and after photos of a woman who supposedly lost 50 pounds in 3 weeks while taking the product. The bottom of the ad includes the statement, "Results are not typical." This statement is an example of a(n) ________.
disclaimer
Scientists conduct a study in which 100 adults with chronic diarrhea are divided into 2 groups with 50 people per group. 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 their bowel habits. This is an example of a(n) ________ study.
double-blind
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.
epidemiological
Scientists who investigate lifestyle factors that influence the prevalence of obesity among different population groups are conducting a(n) ________ study.
epidemiological
The ________ is a flap-like piece of tissue responsible for keeping a swallowed piece of food from entering the trachea.
epiglottis
Megaloblastic anemia may occur as a result of a deficiency in ________.
folate or vitamin B-12
Katie is pregnant. She has type 1 diabetes and often has difficulty controlling her blood glucose level. Based on this information, Katie is more likely to
give birth to a baby that has birth defects.
Phil is a healthy college student. When he wakes up in the morning, he can't wait to eat breakfast. While he is asleep and before he consumes food or beverages, his pancreas secretes ________ to maintain his blood glucose level within normal limits.
glucagon
Following the release of lactate into the bloodstream, liver cells remove the lactate from the bloodstream and recycle it into ________ through the Cori Cycle.
glucose
Nervous system cells burn mostly ________ for energy.
glucose
When muscle cells have more glucose than they need for energy, they may store some of the excess as
glycogen.
Albert is a healthy, 23-year-old college student. He would like to know more about his risk of cardiovascular disease, so he can take preventive measures, if they are necessary. Albert should ________.
have a lipoprotein profile performed on a sample of his blood
The leading cause of nutrition-related death in the United States is ________.
heart disease
Insulin
helps glucose enter cells.
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 information, Monique should
increase her intake of fruit
Leonard has a disease that causes his lacteals to become blocked. Based on this information, his
intestinal tract does not absorb much fat.
The main function of vitamins is to ________.
involved in regulation of body processes
Which nutrient is contributed by the protein foods group of MyPlate?
iron
The ________ is the second segment of the small intestine.
jejunum
The ________ helps form feces by absorbing excess water and some minerals from chyme.
large intestine
The enzyme ________ is necessary for digesting the disaccharide that contains two molecules of glucose.
maltase
The ________ cells of the gastric glands are important to protect the lining of the stomach from damage.
mucous
An essential nutrient
must be supplied by the diet.
Georgiana is 75 years old. She is very healthy and the only medication she takes is a prescription drug that reduces her stomach's acid production. Her diet includes a variety of foods from all food groups. Based on this information, Georgiana is at risk of developing ________.
nerve damage
Raffinose is an example of a/an
oligosaccharide.
Adding a small amount of ________ to cooked vegetables can enhance the intestinal tract's ability to absorb the fat-soluble vitamins they contain.
olive oil
Which of the following B-vitamins is found in the widest variety of foods (i.e., different food groups such as vegetables, grains, meat)?
pantothenic acid
To protect riboflavin from destruction by sunlight, milk and milk products are packaged in
paper and opaque plastic cartons.
A deficiency of niacin is called
pellagra.
The chemical attraction between the acid group of one amino acid and the amino group of another amino acid can form a ________.
peptide bond
Small amounts of food move from the back of the mouth and through the esophagus by involuntary muscular movements called
peristalsis.
Vitamin D helps the body absorb ________.
phosphorus and calcium
According to MyPlate, two to six ounces of is the serving size for this food group.
protein
The ________ is the most commonly used tool to measure protein quality. Protein quality is determined based on both the amino acid composition score and the digestibility of the protein in the food source.
protein digestibility corrected amino acid score (PDCAAS)
Through the process of glycolysis, glucose is converted into two molecules of ________.
pyruvate
To reduce her intake of added sugar, Isabelle should
replace regular soft drinks with plain water.
A scientist has isolated a fatty acid that has 26 carbons bonded together. All of the carbon atoms in the chain are connected by single bonds. The only other elements in the compound are hydrogen and oxygen. Based on this information, the compound is a(n) ________ fatty acid.
saturated
To conserve the vitamin content of foods, ________.
stir-fry instead of boil
What type of claim is "calcium builds strong bones and teeth"?
structure/function claim
Energy is defined as ________.
the capacity to perform work
Which group of individuals is advised to consume 400 micrograms of folic acid daily from supplements and/or fortified foods?
women capable of becoming pregnant
How many ounce(s) from the grains group is required each day.
3-8
________ contains riboflavin and can pick up two hydrogen ions and two electrons.
FAD
The ________ is responsible for ensuring the safety and effectiveness of medications.
FDA
Which of the following statements is true?
Heartburn often results when the cardiac sphincter fails to close properly.
Due to a respiratory bacterial infection, Amanda had to take a large spectrum antibiotic for a period of 7 days. At the end of the regimen, her respiratory problem was gone; however, she informed her doctor that she now has diarrhea and other digestive problems. What do you think the doctor will recommend to Amanda to relieve her diarrhea and digestive problems?
Take probiotics to restore the population of beneficial bacteria she lost due to the antibiotic she was taking
Which of the following statements is true?
The FDA can recall a dietary supplement when there is evidence that it is harmful.
Which of the following statements is false?
The Internet is generally a reliable source of nutrition information, because information posted at websites has been peer-reviewed.
Which of the following statements is true?
The cholesterol carried by oxidized LDL is taken up by certain arterial cells and deposited in plaque.
Yolanda is eating a peanut butter and jelly sandwich for lunch. She has taken a bite of the sandwich and begun chewing the sticky sandwich. Once the bite of sandwich has been chewed, moistened, and mixed with saliva, it is called
a bolus
To establish a nutrient's RDA, nutrition scientists add ________ of the nutrient to its EAR.
a margin of safety amount
Having a control group enables researchers to
compare findings of the control group with those of the experimental group.
Dorothy is an 85-year-old woman who is having difficulty swallowing. Food seems to enter her stomach too slowly. Based on this information, Dorothy probably has a(n)
condition characterized by loss of peristaltic functioning.
If your diet supplies more sugar and starch than you need, the excess can be
converted into fat and stored.
A refined grain product that has iron, thiamin, riboflavin, niacin, and folic acid added to replace amounts lost during processing has been
enriched.
The first symptom of scurvy is
pinpoint hemorrhages around hair follicles.
In the body, lipids ________.
provide insulation against cold temperatures
An Adequate Intake (AI) is set for a nutrient when ________.
too little research is available to establish an RDA
Which of the following statements is true?
A fatty acid has a chain of carbons bonded to each other and to hydrogen atoms.
ATP is converted into ________ when the last high-energy bond on the ATP molecule is cleaved.
ADP
Which of the following amino acids can be made by the human body?
Alanine
Which of the following organs is not an accessory organ of the digestive system?
Brain
________ is necessary to assist in the passing of fatty acids through the outer and inner mitochondrial membrane during the process of beta-oxidation.
Carnitine
Which of the following foods is NOT usually responsible for causing allergic responses?
Carrots and celery
Scientists study 200 adults who have type 2 diabetes, and 200 adults who have similar characteristics but do not have the disease. For 18 months, the researchers collect lifestyle information on all the study participants. According to the study's findings, the adults with type 2 diabetes were 25% less physically active than their counterparts who did not have type 2 diabetes. This is an example of a(n) ________ study.
Case control
Which of the following kinds of studies would be the best to use when investigating whether cigarette smoking influences weight gain?
Cohort
Which of the following statements is true?
Excessive thirst and frequent urination are signs of diabetes.
Which of the following substances carries cholesterol away from tissues?
HDL
Barry is a vegan. His diet does not include foods that contain preformed vitamin A, and he does not take any vitamin A supplements. Nevertheless, his body has adequate vitamin A stores. Which of the following statements provides the best explanation for Barry's adequate vitamin A status?
He eats plenty of foods that contain beta-carotene.
Which of the following foods typically acts as a prebiotic?
If it has: Chicken Cheese Whole grains Yogurt it is cheese
Which of the following statements describes lactic acid?
Lactic acid is made under anaerobic conditions.
________, as part of NAD and NADP, is important for energy metabolism.
Niacin
A food label that advertises the product as a "rich source of fiber" is an example of a(n)
Nutrient claim
________ is the study of how nutrients affect the expression of a person's genome.
Nutrigenomics
Which of the following is NOT a common marketing tactic to encourage consumers to purchase manufactured foods?
Nutrition information posted next to fresh fruits and vegetables
Which of the following hormones acts to increase calcium absorption and decrease urinary calcium excretion?
Parathyroid hormone
A group of scientists conducts a scientific study to investigate dietary factors that influence the development of breast cancer. Which of the following activities is NOT likely to be a component of their research efforts?
Posting findings at the main researcher's personal website
Which of the following kinds of studies would be the best to use to identify lifestyle factors that may be related to the development of liver cancer in an adult population?
Retrospective study
Which of the following menu items does not contain complementary protein?
Salad made with apples, pears, and grapes
Which of the following statements is true?
Since 1995, nutrition information has undergone few updates, because scientists have discovered all of the nutrients and determined their functions.
Which of the following substances is a complex carbohydrate?
Starch
What type of claim is "calcium builds strong bones and teeth"?
Structure/function claim
Alicia has PKU. She would like to sweeten her coffee with a substance that provides 0 kcal/g. Based on this information, which of the following sweeteners supplies 0 kcal/g and is safe for her to use?
Sucralose
During beta-oxidation, fatty acids are broken down into two-carbon molecules that are converted into ________.
acetyl CoA
A researcher has isolated an organic, water-soluble chemical from roses. After performing in vivo tests, the scientist determines that the chemical supplies no energy for cells, but protects cell membranes from being damaged by certain environmental factors. Based on this information, the researcher may have discovered a(n) ________.
antioxidant
Proteins ________.
are comprised of amino acids
A common role of B vitamins is that they ________.
are important in energy metabolism as part of coenzymes
Nolan would like to add more dietary fiber to his diet. Which of the following do you recommend?
correct - All of the choices are correct. - Use whole-wheat pasta. Snack on fresh fruit. Select a bran cereal for breakfast. Add wheat germ to pancake batter when making pancakes.
A scientist has discovered a new molecular compound that is a long chain of 26 carbons bonded together, with a methyl group on one end and an acid group on the other end of the molecule. The compound does not contain any nitrogen or sulfur atoms. Based on this information, the compound is a(n) ________.
fatty acid
Jillian drinks a couple of beers and smokes over a pack of cigarettes daily. Even though she's about 40 pounds overweight, she likes to wear tight-fitting clothes. Based on this information, Jillian has a high risk of developing
gastroesophageal reflux disease.
Libby was born without salivary glands. As a result of this condition, she
has trouble tasting food.
Segmentation
helps mix chyme in the small intestine.
The ________ is important for transporting absorbed nutrients from the GI tract to the liver.
hepatic portal vein
Researchers are conducting a study to determine the effects of vitamin C on the human immune system. The study involves providing pills that contain vitamin C to one group of human subjects, and pills that do not contain vitamin C or other active ingredients to another group of people. The pills that do not contain the vitamin ar
placebos.
An online 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 information is an example of
pseudoscience.
The body uses cholesterol to make __________.
steroid hormones
Actress Lotta Talent appears in commercials endorsing the herbal supplement Hoodia for weight loss. Lotta Talent describes her own weight-loss successes with the supplement. Her endorsement is an example of a(n) ________.
testimonial
Which of the following is inorganic?
water
Which of the following are associated with having a fat malabsortion issue?
-All of the choices are correct.- Chronic diarrhea and excessive fat in feces Can be casued by cystic fibrosis, liver disease, or consumption of orlistat Abdominal pain, bloating, and gassiness.
Which of the following alcohol-containing beverages contains approximately the same amount of alcohol that is in two 12-ounce bottles of beer?
10 ounces of red wine
Lily is 22 years of age. She usually consumes about 1800 kcal per day. According to AMDR guidelines, protein should comprise ________% of her total energy intake.
10 to 35
The RDA for vitamin C is increased by ________ mg/day for smokers.
35
Which of the following hormones increases gluconeogenesis in the liver?
Insulin
________ is the most biologically active form of vitamin A in the body.
Retinol
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 ________.
a testimonial
The greatest storage site for potential energy in the average healthy adult is ________.
adipose cell triglycerides
A/an ________ amino acid is one that is normally nonessential, but becomes essential under certain conditions.
conditionally essential
Which of the following websites is most likely a source of biased and unreliable nutrition information?
dietsnomore4u.com
Duncan's diet contains high amounts of protein and fat, but it is very low in carbohydrates. As a result of following this diet, Duncan's body forms more ________ than normal.
ketone bodies
A serving of food contains 15 g carbohydrate, 3 g protein, 5 g fat, 5 mg vitamin C, and 100 mL water. Based on this information, a serving of this food supplies
117 kcals
Sarah consumes approximately 2000 kcal/day. According to recommendations of the Dietary Guidelines for Americans, she should limit her saturated fat intake to fewer than ________ kcal/day.
200
According to MyPlate, Erika should consume 3 cups of milk daily. She prefers eating plain yogurt to drinking milk. How much plain yogurt can she eat to meet her plan's recommendation for milk and milk products?
3 cups
Which of the following foods typically acts as a prebiotic?
If it has: Legumes Green leafy vegetables Yogurt Whole grain cereals it is yogurt
Which of the following statements is true?
In nature, fatty acids typically have even numbers of carbon atoms.
Which of the following statements is true?
In the United States, poor eating habits contribute to some of the ten leading causes of death.
Justin's blood cholesterol levels are too high. He'd like to add foods to his diet that can help reduce his blood cholesterol level. Based on this information, which of the following foods should he add? White rice
Legumes (e.g. black beans)
According to research if people want to reduce their risk of cardiovascular disease, they would want to subscribe to which dietary food pyramid?
Mediterranean Diet.
________ are water-soluble vitamins.
Niacin, riboflavin, and thiamin
Omega-3 fatty acids ________.
are polyunsaturated fatty acids
Pancreatic amylase
digests starch in the small intestine.
As a smoker, Chantalle's need for vitamin C is ________ that of a non-smoker.
greater than
Having high blood levels of ________ may increase a person's risk of CVD.
homocysteine
Parietal cells secrete ions that form ________ in the stomach.
hydrochloric acid
Children eating large amounts of carrots can develop
hypercarotenemia.
Julian ate a baked potato as a side with his dinner. The starch in the baked potato will begin to be digested
in the mouth.
Dana wants to reduce her blood cholesterol level by eating ________.
less beef
A fasting blood HDL cholesterol level of ________ is considered desirable for healthy women.
less than 40 mg/dL
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.
lose weight rapidly
The innermost layer of the wall of the GI tract is the
lumen.
Phytochemicals are ________.
plant substances that provide health benefits
A group of nutrition researchers interviews 100 adults who have chronic high blood pressure to determine whether there is an association between consuming diets low in calcium during adolescence and developing high blood pressure in adulthood. This study is an example of a ________ study.
retrospective
Tolerable Upper Intake Levels (ULs) are ________.
the maximum daily intake level not likely to cause harmful effects
Under the current law on nutrition labeling, the Nutrition Facts panel must include ________.
total calories from fat
A ________ reaction is one in which the nitrogen-containing group of one amino acid is transferred to another substance (such as a Kreb's Cycle intermediate) to make a nonessential amino acid.
transamination
The lining of the small intestine is covered with ________, tiny, finger-like structures that absorb nutrients from food.
villi
In the United States, newborns receive an injection of ________ to prevent ________.
vitamin K; bleeding
Labeling laws require that ingredients in food products be listed on the container in descending order of their ________.
weight
The sweetener found in Sweet'N Low is
saccharin.
The science of food; the nutrients and substances therein; and their action, interaction, and balance in relation to health and disease is a definition of ________.
Nutrition
________ is a condition associated with vitamin D deficiency in adults that is characterized by softening of the bones.
Osteomalacia
The human body needs vitamin K to ________.
form active blood clotting factors
When vitamins and/or minerals are added to a food product in amounts in excess of at least 10% above that originally present in the product, the food is designated as ________.
fortified
"The amount of heat required to raise the temperature of 1000 grams of water one degree Celsius" is the definition of ________.
kilocalorie
A chylomicron is a type of ________.
lipoprotein
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.
prospective
Which of the following grains does NOT contain gluten?
Millet
A medical researcher reads an article in Today's Health-Conscious Woman magazine about the benefits of using the phytochemical capsaicin to treat knee pain. She asks 10 people with arthritic knees to rub a cream that contains the phytochemical on their knee joints for 2 weeks. At the end of the 2 weeks, the researcher asks the subjects whether their knee pain improved, stayed about the same, or worsened during the treatment period. After collecting responses from the people, the researcher reports the results of her study during a popular TV show that is hosted by a doctor. Based on this information, which of the following statements is true?
The researcher did not divide the subjects of her study into control and treatment groups.
Nutrient-deficiency diseases develop when diets lack essential nutrients.
Which of the following statements is true?
Which of the following is an example of mechanical digestion in the GI tract?
Chewing food up into smaller pieces in the mouth
Bryce is a pescavegetarian. Which of the following foods does he refuse to eat?
Chicken salad
Which of the following factors has a major influence over a person's food choices?
Close friends
Choosing foods based on religious teachings is an example of ________ factors influencing eating habits.
Cognitive
Dylan takes garlic pills to lower his blood cholesterol level, and he recommends the pills to his friends, because he thinks the supplement is helpful. Dylan's nutrition-related advice to his friends is an example of a(an) ________.
anecdote
A team of chemists have isolated an organic, water-soluble chemical from a rare kind of mushroom. The researchers determine that the chemical donates electrons to other substances in the environment that are missing electrons. Based on this information, the chemists are likely to have discovered a/an ________.
antioxidant
Which of the following is not a function of cholecystokinin?
READ THIS Either Control the secretion of mucus by the mucus cells or Control the flow of chyme from the stomach to the small intestine 50/50 chance ig