Risk of Excess Vitamin A Intake Quiz
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Questions and Answers

What population groups are most at risk for iron deficiency?

  • Elderly individuals
  • Pregnant women (correct)
  • Infants
  • Adolescents
  • What is a health consequence of iron deficiency?

  • Heat stroke
  • Obesity (correct)
  • Childbirth
  • Psychological stress
  • What hematological biomarkers are used to assess iron status?

  • Erythrocyte sedimentation rate
  • Platelet count
  • Hemoglobin level (correct)
  • White blood cell count
  • What change did the national prevalence of dietary iron deficiency experience between 2015 and 2019?

    <p>-5.7% decrease</p> Signup and view all the answers

    Which of the following acute phase proteins does not uniformly increase in all individuals with the same illness?

    <p>Strenuous exercise</p> Signup and view all the answers

    What is the best index of vitamin A nutriture according to the text?

    <p>Serum retinol concentrations</p> Signup and view all the answers

    Which group is at risk of excess vitamin A intake based on the text?

    <p>Regular consumers of liver</p> Signup and view all the answers

    What is the main source of preformed vitamin A according to the text?

    <p>Fish liver oils</p> Signup and view all the answers

    Which test is used to measure liver store of vitamin A in the population according to the text?

    <p>Isotopic tests</p> Signup and view all the answers

    What is the conventional definition of Vitamin A Deficiency (VAD) according to the text?

    <p>Serum retinol below 20µg/dL</p> Signup and view all the answers

    Which factor contributes to secondary vitamin A deficiency based on the text?

    <p>Liver disease</p> Signup and view all the answers

    What is the purpose of ultrasonography in measuring thyroid size?

    <p>To determine the grade of goiter</p> Signup and view all the answers

    At what age range is neck palpation suitable according to the text?

    <p>6-12 years</p> Signup and view all the answers

    What is the range that defines a moderate prevalence of goiter in school-age children?

    <p>20.0 - 29.9%</p> Signup and view all the answers

    Why is neck palpation not recommended for infants and younger children?

    <p>It may cause discomfort to infants and younger children</p> Signup and view all the answers

    What is a common risk factor for inadequate dietary iron intake leading to anemia?

    <p>Consuming plant-based diets high in antinutrients</p> Signup and view all the answers

    What indicates a severe prevalence of IDD?

    <p>&gt; 5% in school-aged children</p> Signup and view all the answers

    Which population group is identified as being at risk for iron deficiency due to poor absorption of iron?

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

    How does ultrasound measure thyroid size?

    <p>By employing sound frequencies</p> Signup and view all the answers

    What physiological condition can impair the mobilization of iron from liver stores due to vitamin A deficiency?

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

    What is a common risk factor for iron deficiency in infants?

    <p>Exclusive breastfeeding after six months</p> Signup and view all the answers

    Which group is NOT listed as a population at risk for iron deficiency?

    <p>Obese individuals</p> Signup and view all the answers

    What is a common cause of inflammation that can exacerbate iron deficiency?

    <p>Malaria infection</p> Signup and view all the answers

    What micronutrient deficiency can lead to a reduction in thyroid peroxidase?

    <p>Iron deficiency</p> Signup and view all the answers

    Which region is NOT listed as having low soil iodine content?

    <p>Mid West USA</p> Signup and view all the answers

    What is the primary function of thyroglobulin in the body?

    <p>Thyroid hormone synthesis</p> Signup and view all the answers

    Which food source is NOT considered a good source of iodine?

    <p>Freshwater fish</p> Signup and view all the answers

    Which method for measuring thyroid size has been noted to have high inter-examiner error for mild goiter?

    <p>Neck palpation</p> Signup and view all the answers

    What is the primary effect of iodine deficiency on the thyroid gland?

    <p>Decreased hormone production</p> Signup and view all the answers

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