Osteoporosis Risk Factors

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Questions and Answers

What is the reason why women are more prone to osteoporosis than men?

  • Men have a higher risk of fractures than women
  • Men have a lower peak bone mass early in life
  • Women have denser bones than men
  • Women lose bone faster than men, especially after menopause (correct)

Which racial group has a lower risk of osteoporosis?

  • Hispanics
  • Caucasians
  • Southeast Asians
  • African Americans (correct)

What is the effect of weight-bearing exercise on osteoporosis risk?

  • It reduces the risk (correct)
  • It has no impact
  • It slightly increases the risk
  • It increases the risk significantly

What is the effect of a diet high in phytates, oxalates, and tannins on osteoporosis risk?

<p>It increases the risk (A)</p> Signup and view all the answers

What is the effect of high dietary sodium on osteoporosis risk?

<p>It increases the risk (A)</p> Signup and view all the answers

What is the recommended dietary approach to minimize the risk of osteoporosis?

<p>A diet rich in fruits and vegetables, adequate in calcium and vitamin D (C)</p> Signup and view all the answers

What is the effect of high intakes of iodine on the thyroid gland?

<p>It causes an enlargement of the gland (D)</p> Signup and view all the answers

What is the effect of iodine deficiency on mental function in children and adolescents?

<p>It impairs mental function (C)</p> Signup and view all the answers

What is the name of the condition that can occur in the offspring of iodine-deficient pregnant women?

<p>Cretinism (A)</p> Signup and view all the answers

What has led to a decrease in the incidence of iodine deficiency worldwide?

<p>The adoption of universal salt iodization (D)</p> Signup and view all the answers

What is the current estimate of the percentage of households worldwide that have access to iodized salt?

<p>66% (B)</p> Signup and view all the answers

What is the definition of goiter?

<p>An enlargement of the thyroid gland due to a shortage of iodine in the diet (C)</p> Signup and view all the answers

What is one of the roles of zinc in the body?

<p>To stabilize cell membranes (B)</p> Signup and view all the answers

Which of the following foods is a poor source of zinc?

<p>Refined grains (A)</p> Signup and view all the answers

Why is zinc from animal products better absorbed than zinc from plant sources?

<p>Because plant sources contain phytates, fiber, oxalates, and tannins (B)</p> Signup and view all the answers

What is the consequence of a zinc deficiency on gene expression?

<p>Decreased synthesis of certain proteins (A)</p> Signup and view all the answers

In which populations is zinc deficiency more common?

<p>In developing countries (D)</p> Signup and view all the answers

Why do grain products leavened with yeast provide more zinc than unleavened products?

<p>Because yeast reduces phytate content (A)</p> Signup and view all the answers

What is a common symptom of iron deficiency anemia?

<p>Fatigue (B)</p> Signup and view all the answers

Which group is at risk of iron deficiency anemia due to rapid growth?

<p>Infants and adolescents (D)</p> Signup and view all the answers

What is the role of hemoglobin in the body?

<p>To transport oxygen throughout the body (C)</p> Signup and view all the answers

Why are athletes at risk of iron deficiency anemia?

<p>Because they do not consume enough iron in their diet (D)</p> Signup and view all the answers

What can happen if you ingest a single large dose of iron?

<p>It can cause shock and liver failure (B)</p> Signup and view all the answers

Why are women of reproductive age at risk of iron deficiency anemia?

<p>Because of iron loss due to menstruation (D)</p> Signup and view all the answers

What is the primary purpose of iodizing salt?

<p>To prevent iodine deficiency in the population (D)</p> Signup and view all the answers

What is the main symptom of iodine deficiency?

<p>Enlarged thyroid gland (goiter) (D)</p> Signup and view all the answers

What triggers the release of thyroid-stimulating hormone?

<p>Low thyroid hormone levels in the blood (D)</p> Signup and view all the answers

Why is seaweed a good source of iodine?

<p>It is found in seawater, which is rich in iodine (D)</p> Signup and view all the answers

Why is iodized salt the main source of iodine in the American diet?

<p>It is widely consumed and has a higher iodine content than other foods (D)</p> Signup and view all the answers

Why is sea salt not a good source of iodine?

<p>The iodine is lost in the drying process (C)</p> Signup and view all the answers

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