Essential Biochemistry - Nutrition (Section 1)

  • 1
    Nutrients are the essential chemical substances that are involved in growth and metabolism. Which of the following are macronutrients?
    Απάντηση
    (B)
    Carbohydrates, proteins, and fats
  • 2
    What is the approximate range of total energy expenditure from the thermogenic effect?
    Απάντηση
    (B)
    10%
  • 3
    What is a common characteristic seen in Marasmus?
    Απάντηση
    (C)
    Wasting of muscles
  • 4
    The energy expenditure of the body can be determined by...
    Απάντηση
    A
    B
    C
  • 5
    What is the energy expenditure in human per day due to basal metabolic rate (BMR)?
    Απάντηση
    (B)
    70%
  • 6
    Which of the following conditions are associated with an inappropriate or inadequate protein intake?
    Απάντηση
    (D)
    Both Marasmus and Kwashiorkor
  • 7
    What is the main purpose of the energy requirement in human nutrition?
    Απάντηση
    (B)
    To provide energy for the body functions and growth
  • 8
    A positive nitrogen balance indicates that...
    Απάντηση
    (C)
    Nitrogen intake is more than excretion.
  • 9
    What is the primary role of protein in the body?
    Απάντηση
    (C)
    Build and repair tissues
  • 10
    What are the main health risks associated with high fiber diets?
    Απάντηση
    A
    B
    C
    D
  • 11
    What factor can decrease the BMR?
    Απάντηση
    (C)
    Reduced calorie intake
  • 12
    Which of the following are potential health benefits associated with high fiber intake?
    Απάντηση
    A
    B
    C
  • 13
    In a diet, how many grams of protein should be suggested in an adult?
    Απάντηση
    (A)
    0.8 g/kg body weight
  • 14
    Which is the suggested diet for a person with low weight?
    Απάντηση
    (C)
    50% of protein and 150% of sugars
  • 15
    Which of the following is a key function of dietary fiber?
    Απάντηση
    (C)
    Promotes water absorption in the gut
  • 16
    What factors is used to determine the degree of obesity?
    Απάντηση
    (D)
    All of the above
  • 17
    What is the primary purpose of the IOM Expert Group?
    Απάντηση
    (B)
    To determine recommended daily allowances of essential amino acids.
  • 18
    What is the relationship between BMI and degree of obesity?
    Απάντηση
    (A)
    BMI can indicate the degree of obesity.
  • 19
    What is the definition of a balanced diet?
    Απάντηση
    (C)
    A diet including a variety of food groups, with the correct proportion of nutrients to maintain health and well-being.
  • 20
    What is the major role of vitamins and minerals in human nutrition?
    Απάντηση
    (C)
    Regulate metabolic processes and play structural roles
  • 21
    According to the text, what is a key characteristic of a balanced diet?
    Απάντηση
    (C)
    It contains a variety of food groups in the right proportions.
  • 22
    What does 'SDA' stand for in the context of nutrition?
    Απάντηση
    (C)
    Specific Dynamic Action
  • 23
    What are the main causes of PEM (Protein-Energy Malnutrition)?
    Απάντηση
    (A)
    Insufficient intake of protein and/or energy.
  • 24
    What is the recommended daily allowance (RDA) based on?
    Απάντηση
    (B)
    The nutritional needs of a group of individuals.
  • 25
    Which of the following conditions/diseases are associated with an increased risk of obesity?
    Απάντηση
    A
    B
    C
    D
  • 26
    What does the Specific Dynamic Action (SDA) of food refer to?
    Απάντηση
    (B)
    The thermogenic effect of food.
  • 27
    Which of the following factors can reduce the BMR?
    Απάντηση
    A
    C
    D
  • 28
    What is the main purpose of the term 'nitrogen balance' in nutrition?
    Απάντηση
    (C)
    To evaluate protein intake relative to excretion and the body's protein needs.
  • 29
    What is the defining factor of nitrogen equilibrium?
    Απάντηση
    (C)
    Nitrogen intake equals nitrogen excretion.
  • 30
    What is the defining characteristic of Kwashiorkor?
    Απάντηση
    (B)
    Severe deficiency of protein with adequate calorie intake
  • 31
    Which of the following is used to determine the quality of the protein?
    Απάντηση
    (A)
    PER and BV
  • 32
    What does the term 'essential' refer to in the context of essential amino acids?
    Απάντηση
    (B)
    The body cannot synthesize them and they must be obtained from the diet.
  • 33
    Which of the following is NOT a type of dietary fiber?
    Απάντηση
    (C)
    Starch
  • 34
    Which of the following is a key factor in the formation of body structure and skeleton?
    Απάντηση
    (B)
    Vitamins and Minerals
  • 35
    Essential amino acids are...
    Απάντηση
    (B)
    Cannot be synthesized by the human body and must be obtained through diet.
  • 36
    What are the consequences of the decline of muscle mass and body mass with increasing age?
    Απάντηση
    (C)
    Decreased BMR
  • 37
    Which of the following does not have an effect on increasing the BMR?
    Απάντηση
    (C)
    Malnutrition
  • 38
    What effect does fiber have in the body?
    Απάντηση
    A
    B
  • 39
    Which of the following is a sign of Marasmus?
    Απάντηση
    (C)
    Severe muscle wasting
  • 40
    What are the characteristics of a diet of a pregnant women?
    Απάντηση
    A
    C
  • 41
    Which of the following is a factor that influences BMR (Basal Metabolic Rate)?
    Απάντηση
    A
    B
    C
  • 42
    What is the primary function of fats?
    Απάντηση
    (D)
    Providing energy
  • 43
    What is the role of the liver in metabolism?
    Απάντηση
    (C)
    Plays a major role in processing and storing nutrients
  • 44
    Which foods should be limited to ensure a healthy diet?
    Απάντηση
    (C)
    Processed foods
  • 45
    Which of the following is the main type of sugar absorbed from food?
    Απάντηση
    (A)
    Glucose
  • 46
    What are some factors that can contribute to obesity?
    Απάντηση
    (D)
    All of the above
  • 47
    Which of the following foods contains all the essential amino acids?
    Απάντηση
    (C)
    Eggs
  • 48
    What is the role of cholesterol in the body?
    Απάντηση
    (B)
    Helps build cell membranes
  • 49
    Which of the following is a characteristic of a balanced diet?
    Απάντηση
    (A)
    Includes all nutrients in appropriate amounts
  • 50
    What is the term for the energy expended to digest, absorb, and metabolize food?
    Απάντηση
    (D)
    Specific dynamic action