Human Nutrition First Exam Flashcards
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Questions and Answers

Which of the following is not a class of nutrients?

  • Minerals
  • Alcohol (correct)
  • Lipids
  • Carbohydrates
  • Gram for gram, which provides the most energy?

  • Carbohydrates
  • Fats (correct)
  • Proteins
  • Alcohol
  • The ring-like muscles that prevent back flow of partially digested food in the gastrointestinal tract are called?

  • Sphincters (correct)
  • Gates
  • Passages
  • Openings
  • Which statement best describes the healthful diet principle of moderation?

    <p>Pay attention to portion size and plan your entire day's diet so that you don't over consume calories</p> Signup and view all the answers

    Many health authorities recommend that Americans consume within ________ % of their total calories from carbohydrates.

    <p>45-65</p> Signup and view all the answers

    Polysaccharides that cannot be digested by human digestive enzymes, and therefore cannot be absorbed, are called?

    <p>Fiber</p> Signup and view all the answers

    The three major disaccharides most commonly found in foods are?

    <p>Maltose, Sucrose, and Lactose</p> Signup and view all the answers

    Which of the following are substances in plant foods that are not digested in the stomach or small intestine?

    <p>Dietary Fiber</p> Signup and view all the answers

    You pick up a box of Cheerios cereal in the supermarket. The nutrition facts panel tells you that 1 cup serving provides 25 percent of the _______ for iron.

    <p>Daily Value</p> Signup and view all the answers

    Which of the following statements is consistent with a good recommendation for improving your diet?

    <p>Balance the amount of calories you consume with the amount of calories you burn each day</p> Signup and view all the answers

    The major enzyme involved in the digestion of carbohydrates is?

    <p>Pancreatic amylase</p> Signup and view all the answers

    Energy obtained from the food we eat can be used to?

    <p>All of the above</p> Signup and view all the answers

    In the typical American diet, the majority of our calories from fat are obtained from?

    <p>Animal Sources</p> Signup and view all the answers

    Which of the following would NOT be a good recommendation for improving your diet?

    <p>Decrease your intake of nutrient-dense foods</p> Signup and view all the answers

    Measuring a person's BMI may be useful in determining?

    <p>Body Fat</p> Signup and view all the answers

    Which of the following is a complex carbohydrate?

    <p>Starch</p> Signup and view all the answers

    The essential nutrients?

    <p>Cannot be made by the body and must be consumed to maintain health</p> Signup and view all the answers

    Which of the following is not a characteristic of carbohydrates?

    <p>Supply 9 kilocalories per gram</p> Signup and view all the answers

    Which of the following nutrients can directly supply energy for human use?

    <p>Carbohydrate</p> Signup and view all the answers

    A serving of bleu cheese dressing containing 10 grams of fat would yield ____ kilocalories from fat.

    <p>90</p> Signup and view all the answers

    The hormone _______ is released from the pancreas when blood glucose is below normal range.

    <p>Glucagon</p> Signup and view all the answers

    Which statement best describes nutrient density?

    <p>Consume foods that have the most nutrients when compared to their kilocalories</p> Signup and view all the answers

    The acronym RDA stands for?

    <p>Recommended Dietary Allowance</p> Signup and view all the answers

    Which of the following terms describes psychological influences that encourage us to find and eat food?

    <p>Satiety</p> Signup and view all the answers

    The RDAs for nutrients are generally?

    <p>Designed to be adequate intakes for almost all healthy people</p> Signup and view all the answers

    Carbohydrates can be used by the body for which of the following?

    <p>All of the Above</p> Signup and view all the answers

    Which of the following foods would have the highest energy density?

    <p>Potato Chips</p> Signup and view all the answers

    Overconsumption of which of the following nutrients could lead to toxicity?

    <p>All of the above could lead to toxicity</p> Signup and view all the answers

    Where is the major site for digestion and absorption in our body?

    <p>Small Intestine</p> Signup and view all the answers

    Which term describes the physical/biological drive to find and eat food?

    <p>Hunger</p> Signup and view all the answers

    Which oligosaccharides commonly found in beans can cause gas?

    <p>Raffinose</p> Signup and view all the answers

    When looking at the ingredient label of a bottled spaghetti sauce, you see that olive oil is the second ingredient. This means that olive oil is:

    <p>The second most abundant ingredient by weight</p> Signup and view all the answers

    The absorption, galactose is converted to ____ in the liver.

    <p>Glucose</p> Signup and view all the answers

    An inability to control blood glucose levels may result in?

    <p>All of the above</p> Signup and view all the answers

    Serving sizes listed on a food label are standardized to typical American serving size/intakes.

    <p>True</p> Signup and view all the answers

    The small intestine contains over 100 trillion microorganisms.

    <p>False</p> Signup and view all the answers

    The release of epinephrine would most likely result in a lowering of blood glucose levels.

    <p>False</p> Signup and view all the answers

    Type 1 diabetes is the most commonly diagnosed type of diabetes.

    <p>False</p> Signup and view all the answers

    Health claims that appear on food labels are regulated closely by the Food and Drug Administration.

    <p>True</p> Signup and view all the answers

    Diarrhea kills more children every day than AIDS, malaria, and measles combined.

    <p>True</p> Signup and view all the answers

    Satiety is defined as the feeling of being full after eating food.

    <p>True</p> Signup and view all the answers

    Alcohol is an essential nutrient.

    <p>False</p> Signup and view all the answers

    Typically, our intake of dietary fiber is below what is recommended.

    <p>True</p> Signup and view all the answers

    It is recommended that 65% of your daily total calories come from lipids.

    <p>False</p> Signup and view all the answers

    Proper nutrition can help reduce the risk of certain chronic diseases.

    <p>True</p> Signup and view all the answers

    Enzyme that digests lactose?

    <p>Lactase</p> Signup and view all the answers

    Hormone that lowers blood glucose?

    <p>Insulin</p> Signup and view all the answers

    Bile is stored here?

    <p>Gallbladder</p> Signup and view all the answers

    Storage form of glucose?

    <p>Glycogen</p> Signup and view all the answers

    Study Notes

    Nutrient Classes and Energy Sources

    • Alcohol is not classified as a nutrient.
    • Fats provide the highest energy yield, delivering 9 kilocalories per gram.

    Digestion and Muscle Control

    • Sphincters are ring-like muscles preventing the backflow of partially digested food in the gastrointestinal tract.

    Dietary Principles

    • Moderation in a diet involves paying attention to portion size to avoid excessive calorie intake.
    • Recommended carbohydrate intake for Americans is 45-65% of total calories.

    Carbohydrates and Fiber

    • Fiber consists of polysaccharides that are indigestible by human enzymes and cannot be absorbed.
    • The three main disaccharides in foods are maltose, sucrose, and lactose.
    • Dietary fiber consists of substances in plant foods that remain undigested.

    Nutritional Recommendations and Values

    • Daily Value reflects the percentage of RDA met by a specific serving of food.
    • A balanced diet should balance caloric intake with calories burned daily.
    • RDAs are set to meet the needs of nearly all healthy individuals.

    Enzymes, Energy, and Food Sources

    • The primary enzyme for carbohydrate digestion is pancreatic amylase.
    • Carbohydrates are utilized by the body for energy, preserving protein, and preventing ketosis.
    • In the American diet, most calories from fat come from animal sources.

    Nutrient Densities and Toxicities

    • Nutrient density is defined as the amount of nutrients relative to calorie content.
    • Overconsumption of vitamins, minerals, or water can lead to toxicity.

    Sites of Digestion and Physiological Responses

    • The small intestine is the main site for digestion and nutrient absorption.
    • Hunger represents the biological drive to seek and consume food.

    Food Labels and Ingredients

    • Ingredients on food labels are listed in order of abundance by weight.

    Health Implications and Conditions

    • Inability to regulate blood glucose may lead to ketosis, nerve damage, and heart disease.
    • Type 2 diabetes is more prevalent than Type 1 diabetes.

    General Nutrition Knowledge

    • Serving sizes on food labels reflect typical American consumption patterns.
    • Proper nutrition can lower the risk of chronic diseases.
    • Lactase is the enzyme responsible for digesting lactose.
    • Insulin is the hormone that reduces blood glucose levels, while glucagon raises them.

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    Prepare for your first exam in human nutrition with these flashcards. Test your knowledge on nutrients, their energy content, and gastrointestinal functions. Ideal for students looking to ace their nutrition exam.

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