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

How do thyroid hormones affect protein metabolism?

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

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

<p>Stimulate growth hormone secretion (A)</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 (B)</p> Signup and view all the answers

How do thyroid hormones affect the heart?

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

What role do thyroid hormones play in reproduction?

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

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