Thyroid Hormones Metabolic Pathways Mechanism of Action
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Questions and Answers

Which cellular component is known to increase in cells due to the action of thyroid hormones?

  • Lysosomes
  • Endoplasmic reticulum
  • Mitochondria (correct)
  • Ribosomes
  • What is the main function of increasing Na-K pump activity by thyroid hormones?

  • Glucose absorption
  • Oxygen consumption (correct)
  • Cardiac output
  • Heat production
  • Which of the following is NOT a metabolic effect of thyroid hormones?

  • Protein synthesis
  • Gluconeogenesis
  • Glycogenolysis
  • Glucose absorption (correct)
  • How do thyroid hormones impact body growth?

    <p>Enhancing protein synthesis</p> Signup and view all the answers

    Which system is influenced by the growth and development of the CNS due to thyroid hormones?

    <p>Nervous system</p> Signup and view all the answers

    How do thyroid hormones affect protein metabolism?

    <p>Stimulate protein synthesis and amino acid uptake by tissues</p> Signup and view all the answers

    What is the non-metabolic effect of thyroid hormones on growth?

    <p>Stimulate growth hormone secretion</p> Signup and view all the answers

    What is the effect of hypothyroidism on the nervous system?

    <p>Is associated with mental retardation and depressed brain development</p> Signup and view all the answers

    How do thyroid hormones affect the heart?

    <p>Increase beta adrenergic receptors</p> Signup and view all the answers

    What role do thyroid hormones play in reproduction?

    <p>Promote normal development of testes and ovaries</p> Signup and view all the answers

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