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Nutrition Finals
Question | Answer |
---|---|
Which of the following is a definition of "nutrients"? | chemicals in food used by the body for growth and health |
An essential nutrient: | must be obtained from food |
A food contains 15 grams of carbohydrate, 3 grams of protein, and 1 gram of fat. How many calories does this food contain? | 81 calories |
How many calories are supplied by a vitamin? | 0 |
Which nutrient is the medium for all bodily processes? | water |
The energy-yielding nutrients are: | protein, carbohydrate, and fats |
Which of the following are diet related diseases? | all of these are correct |
Since the 1980s, prevalence of obesity has: | increased |
___________ chemical reactions in the cells of the body that change food into energy. | metabolism |
A serving of food contains 10 grams of carbohydrate, 2 grams of protein, and 4 grams of fat. Based on this information, a serving of this food supplies ____ calories? | 84 |
Nutrition is important because it can have which of the following effects? | 1) maintain energy 2) increase vitality 3) prevent certain diseases |
Scurvy is a disease caused by the deficiency of: | Vitamin C |
All of the following are considered nutrients except : | |
a) carbohydrates | |
b) vitamins | |
c) alcohol | |
d) fats | C) alcohol |
Which is NOT a water soluble vitamin? | Vitamin K |
Which class of nutrients is the primary source of fuel for the body? | Carbohydrates |
Hunger is the psychological desire to eat food. | False |
The balance part of a healthful diet means that there are a combination of foods that provide a balance of nutrients. | True |
The emphasis of the Dietary Guidelines for Americans section that states, "Limit Fats, Salt and Sugar" can be summed up with one word describing a healthful diet: | Moderation |
The EAR represents nutrient intake levels for 97% to 98% of healthy individuals. | False |
My Pyramid is a set of principles developed by the US department of Health and Human Services and the US Department of Agriculture to assist Americans in designing a healthful diet and lifestyle. | False |
The %DV values per serving given for nutrients on the food label are based on 2500 Kcal diet. | False |
Both protein and carbohydrates contain 4 Kcals er gram, dietary fats contains _____ Kcal per gram. | 9 |
How many Kcals of protein are in a 23 gram piece of protein? | 92 |
If a cookie has 30 grams of carbs, 8 grams of protein, and 15 grams of fat, what is the percent of calories coming from fat? | 47% |
A health professional with a bachelor's degree in a defined program of nutrition and dietetics is a _______? | Registered Dietitian |
Nutrition is a science discipline that has been studied for centuries. | False |
A ______ is a scientific process that tests a research question. | An experiment. |
Epidemiological studies are tightly controlled experiments that include some sort of intervention. | False |
Drawbacks of animal studies include concerns of applicability of results to humans. | True |
The cellular structure where genetic information is located is called the: | Nucleus |
Which order is correct? | Cell, Tissue, Organ, System |
The psychological desire to consume foods is known as a: | Appetite |
Chewing is also referred to as: | Mechanical Digestion |
When swallowing the brain directs the closing of the flap of tissue over the trachea to prevent choking. The flap is called the: | Epiglottis |
In which organ would you find gastrin, pepsin, and lipase? | The stomach |
The______ is the microvilli of the small intestine's lining that greatly increases its absorptive capacity. | Brush border |
The gallbladder assists in the digestion of: | Fat |
The pancreas makes digestive enzymes to breakdown which nutrients? | Carbohydrates, protein and fat. |
Foods that are not digested will be absorbed into the blood stream, therefore these undigested foods will not contribute energy or any building blocks to body cells. | True |
Foods or products that provide or help produce good bacteria in the large intestines are called: | Probiotics |
The esophagus secretes mucus to protect the cell layers from HCI. | False |
Almost all cases of peptic ulcers occur in the large intestines. | False |
The 8 major food allergens cause over 90% of all documented food allergies in the U.S. | True |
Food intolerances are the same as food allergies. | False |
Untreated celiac disease can lead to: | Malabsorption |
Chronic diarrhea is usually caused by an infection from bacteria, virus or parasite. | False |
Any person going two days without a bowel movement is considered constipated. | False |
Irritable Bowel Syndrome is caused by food allergies. | False |
Which of the following is NOT a regulator of satiety in the body? | Kidneys |
Plants make ______ through the process of photosynthesis. | Glucose |
Simple carbohydrates are commonly referred to as: | Sugars |
Which is a disaccharide consisting of one glucose and one galactose model? | Lactose |
_________ is the digestible form of carbohydrate found stored in plants. | Starch |
Soluble dietary fibers is digestible by human enzymes. | False |
________ is the storage for of carbohydrates in animals. | Glycogen |
Carbohydrates in the diet are necessary to spare body protein and prevent ketosis. | True |
Carbohydrate digestion: | Begins in the mouth, ceases in the stomach, then continues in the small intestine. |
Lactose intolerance is the same as a milk allergy. | False |
In order to be absorbed out of the small intestine and into the body, carbohydrate must be digested down to: | Monosaccharides |
Fiber may reduce the risk of heart disease by blocking the absorption of dietary ______ in the bloodstream. | Cholesterol |
When blood sugar is high ______ is released, when blood sugar is low ________ is released. | insulin and glucagon |
Instant mashed potatoes have a higher glycemic index than an orange does. | True |
The definition of "Added Sugars" is: | The sugar added to food during processing and in food preparation. |
Only "Added Sugars" can cause tooth decay: | False |
There appears to be a relationship between increased intake of sugar and obesity. | True |
All of the following are benefits of eating food rich in fiber EXCEPT: | Helping to give you more energy |
Which of the following statements concerning Type 1 diabetes is FALSE? | Obesity and inactivity increase the risk of acquiring this type of diabetes. |
Type 2 diabetes occurs least often in which the following ethnic groups? | Caucasians |
Fatty acids in foods influence the composition of fats in the body and health. | True |
The dietary source of fatty acids determine the saturation of fatty acids. | False |
We know that the saturated fats increase the LDL cholesterol levels thus increasing risk of heart disease. Coconut and Palm oil are saturated fats from plant sources but do not raise LDL cholesterol levels like animal saturated fats do. | False |
The best source of EPA and DHA in the diet are: | Cold water fish |
Which of the following is NOT true concerning phospholipids? | They are an essential part of your diet. |
Dietary cholesterol is found only in animal products or plant products. | Animal products. |
Which of the following is not a function of fat in the human body? | Carries the water soluble nutrients. |
One of the functions of fat in the body is to provide fluidity of the cell membrane for proper cell function. | True |
Fats are absorbed the same way carbohydrates and proteins are absorbed. | False |
Long chain fatty acids and larger products of lipid digestion do not get absorbed directly into the bloodstream. Instead, the intestinal cell absorbs these products and repackages them into ______, which is a class of lipoproteins. | Chylomicrons |
The following are all primary fates of absorbed dietary fats EXCEPT: | Conversion to glucose when carbohydrate intake is low. |
It is thought that people eat too much saturated and monosaturated fats. | False |
All of the 300 Kcals in pea soup comes from a combo of carbohydrate, fat and protein. If carbs make up 40% of the kcals and protein makes up 15%, what percent is fat? | 45% |
An antherogenic diet is a diet that increases risk of heart disease. Such a diet can be categorized by all of the following EXCEPT: | Low in trans fat |
Chylomicrons are lipoproteins. | True |
Which lipoprotein is primarily made in the liver AND has the greatest amount of triglycerides? | VLDL |
Diets higher in trans and saturated fats cause a decrease removal of _______, thus leading to higher levels circulating in the blood. | LDL |
Which lipoprotein actually removes cholesterol from cells and blood vessels? | HDL |
People should not make efforts to reduce their intakes of food cholesterol very stringently because: | Cholesterol containing foods have minimal effect on blood cholesterol in most people AND Cholesterol containing foods are nutritious and should not be eliminated from the diet. |
There are no known associations between dietary fat and cancer. | False |
Protein in the body can be found in: | Blood, muscles and bones |
Unlike the other macronutrients, proteins also contain __________. | Nitrogen |
_________ amino acids are not produced by the body and must be obtained from food. | Essential |
Nonessential amino acids are made in the body by: | Modifying essential amino acids. |
Genes are segments of DNA that carry instructions to use amino acids to make unique ______. | Protein |
A protein's function is determined by it's _______. | Shape |
Polypeptides are amino acids joined together by peptide bonds: these are also called proteins. | True |
A meal of red beans and rice is an example of supplementaion. | True |
One of the most important roles of protein in the body if for: | Growth |
All hormones are made from protein. | False |
Electrolytes are protein. | False |
Protein in the blood is able to attract hydrogens and help maintain acid-base balance. | True |
If Mary weighs 140 pounds and her RDA for protein is 0.8 grams per kilogram body weight, what would be her recommended protein intake? | 51 grams |
Pepsin is an enzyme in the stomach that begins the breakdown of proteins in to short polypeptide chains and single amino acids. | True |
Which food would have the highest protein quality? | Milk |
The RDA for protein for sedentary people is _______ grams per kilogram body weight per day. | 0.8 |
The recommendation protein intake for an endurance athlete is ____ times greater than a non athlete. | 1.5-1.75 |
High protein intake is associated with which of the following? | Kidney disease complications, high cholesterol and bone loss. |
The only vegetable source of a complete protein is: | Soy |
Foods that are high in active vitamin A (such as liver) should not be eaten on a daily or weekly basis by children and _________. | Pregnant women |
Beta-Carotene supplements are recommended since it is difficult to eat enough beta carotene rich foods daily. | False |
Vegans in the northeast might be at risk for Vitamin D deficiency. | True |
Which of the following foods would be considered a poor source of dietary Vitamin E? | Milk |
The main function of Vitamin K is: | For blood clotting |
All of the following are involved in the release of energy from foods EXCEPT: | Beta-Carotene |
Vitamin C prevents the common cold. | False |
Thiamin function include the following EXCEPT: | Antioxidant |
Riboflavin is involved with all of the follwing EXCEPT: | Bone remodeling |
Deficiency symptoms of niacin include all of the following EXCEPT: | anemia |
Which vitamin is involved in protein synthesis? | Vitamin B6 |
_________ is known to reduce the incidence of neural tube defects in the first weeks of pregnancy. | Folate |
In order to keep blood homocysteine levels down, these 3 vitamins must be present in the diet. | Folate, B6 and B12 |
Which of the following is not a function of choline? | Aids in elimination |
The stage of cancer where cancerous cells grow out of control and invade surrounding tissues is called ________. | Progression |
The following are all ways to reduce risk of cancer EXCEPT: | Limiting intake of vegetables rich in antioxidants. |
Which foods does NOT contain phytochemicals? | Chicken |
Toxic intake levels of vitamins and minerals are most likely reached by consuming _________. | Supplements |
Minerals are like all the other nutrients in that they contain carbon. | False |
The pair of electrolytes responsible for extracellular fluid balance is: | Sodium and choloride |
Processed foods are lower in sodium than fresh foods. | False |
Good sources of phosphorus include all of the following EXCEPT: | Spinach |
Chloride is involved in the below functions EXCEPT: | Water sanitizer |
________ is the degree which our bodies can absorb and use nutrients. | Bioavailability |
The mineral responsible for muscle contraction is: | Calcium |
Functions of sulfur include all of the following EXCEPT: | Bone mineralization |
Selenium works with vitamin _______ as an antioxidant. | E |
One of the primary sources of fluoride is tap water. | True |
Iodine is critical for synthesis of _______ hormones. | Thyroid |
Neither deficiency nor toxicity of chromium appear to be a concern in the US. | True |
Which role best describes manganese? | Energy metabolism |
Which is the most common nutrient deficiency in the world? | Iron |
Myoglobin is an iron containing protein found in muscle. | True |
Plant products are the best source of copper in the diet. | False |
___________ is a disease characterized by low bone mass and deterioration of bone tissue. | Osteoperosis |
Two thirds of the fluid in the body is known as ______ fluid. | Intracellular |
All are examples of water acting as a lubricant EXCEPT: | Sweat |
Fluid needs to depend on all of the following EXCEPT: | Socio economic status |
Matabolic water makes up ______ of water in our bodies need each day. | 10-14% |
The primary avenues of fluid excretion are urine, sweat, feces, evaporation and _______. | Exhalation |
The DRI guidelines from the Institute of Medicine on how much water or fluids adult males should drink each day are approx: | 13 cups |
________ water is water that has had all dissolved minerals and contaminants removed so it can be useful for research and medical procedures. | Purified |
Depletion of body fluid that results when water excretion exceeds water intake is called: | Dehydration |
Fewer than one half of all Americans regularly consume alcohol. | True. |
Women absorb a high % of alcohol than men. | True |
Alcohol contain _____ kcals per gram. | 7 |
_______ describes a cluster of severe birth defects including malformation of the face, limbs, heart and nervous system that occurs in a child whose mother abuses alcohol during pregnancy. | Fetal Alcohol Syndrome |
Alcohol related ______ causes anorexia, nausea, vomiting, abdominal pain, or tenderness, jaundice, and on occasion mental confusion. | Hepatitis |
Which of the following is not a direct result from physical activity? | It decreases HDL |
The maximal heart rate for a 30 year old would be: | 190 beats per minute |
The currency of energy for virtually all cells in the body is ________. | ATP |
Muscle tissue contains ___ to ____ times as much creatine phosphate as ATP. | 4 to 6 |
When oxygen availability is limited in the cell, pyruvic acid is converted to_______. | Lactic Acid |
Protein makes up at least 10% of the fuel during physical activity. | False |
Which nutrient group is necessary for facilitating the release of energy from food to make ATP? | B vitamins |
Our bodies store glycogen very rapidly during the first 24 hours of recovery from exercise. | True |
Another term for carbohydrate loading is ______ loading. | Glycogen |
Heat _____ is due to standing in the heat for too long resulting in blood pooling in lower extremities. | Syncope |
_______ anemia is not a true anemia but a transient decrease in iron stores that occurs at the start of an exercise. | Sports |
Sports bars and sports drinks are considered ergogenic acids. | True |
Which of the following is a compound made from amino acids that is found in the mitochondrial membrane of our cells? | carnitine |
The health of the father during conception has no impact on the fetus. | False |
The majority of fetal growth occurs during the ____ trimester. | Third |
A woman who is normal weight prior to her pregnancy should gain approx. how much weight throughout her pregnancy? | 25-35 pounds |
__________ is an essential fatty acid important for eye, brain, and nervous system development. | DA |
Morning sickness can be cured without hurting the fetus. | False |
All of the following are known teratogens EXCEPT: | moderate amounts of caffeine. |
The fat content in breast milk changes with the growth of the baby as well as changing with the course of each feeding. | True |
Breastfeeding woman need as much iron as pregnant women. | False |
Breastfeeding suppresses ovulation in the mother. | True |
Fat intake should be around 30% of total kcals during the first 2 years of life. | False |
Which of the following help deter food allergies from developing in an infant? | Waiting until the GI tract is better developed before introducing solid foods. |
Cow milk is too high in protein and can cause GI tract distress in babies under the age of 1. | True |
What is the frequency in which toddlers need to eat: | Every 2-3 hours |
When a family is not able to provide a predictable food supply this is called food____. | Insecurity |
Early adolescence is a crucial time for ensuring adequate bone density acquisition. | True |
Helminths are commonly called: | Worms |
The disease caused by a parasite with symptoms of diarrhea is called: | Giardiasis |
A ______ is a chemical produced by a microorganism that harms tissues or causes harmful immune responses. | toxin |
Many food borne microbes are killed by ______ in the stomach. | Hydrochloric acid |
The majority of bacteria that cause food borne illnesses grow best in temperatures between: | 40 F- 132 F |
Recombinant bovine growth hormone is injected into some _______ to induce the animals to grow more muscle and less fat. | beef herds |
Substances found on the GRAS list are known to be: | Safe for human consumption |
Which of the following causes headaches and difficulty breathing? | MSG |
The FDA sets tolerances levels on pesticides before they can be used on foods. | False |
rBGH is a growth hormone used in the cattle industry in the US and the Europe Union. | False |
Another term used to describe specific farming methods that improve soil conservation, crop yields, and food security is __________. | Sustainable agriculture. |
Both Marasmus and Kwashiorkor are diseases of overnutrition. | False. |
Which eating behavior is associated with wasting fossil fuels? | Eating fast food |