Growth

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Questions and Answers

Which hormone primarily mediates the secretion of GH from the pituitary?

  • Folliculostellate cells
  • Somatostatin
  • IGF-1
  • GH-releasing hormone (correct)

What is the result of excessive GH secretion after the epiphyses of the long bones have fused?

  • Neither Gigantism nor Acromegaly
  • Gigantism
  • Acromegaly (correct)
  • Both Gigantism and Acromegaly

When do bursts of GH secretion occur?

  • Every 5-6 hours during sleep
  • Every 3-4 hours during sleep
  • Every 1-2 hours during sleep (correct)
  • Every 30 minutes during sleep

During the neonatal period, what is the relationship between skin-surface lipid levels and gender?

<p>Both males and females have the same skin-surface lipid levels (B)</p> Signup and view all the answers

What is the relationship between sebum levels and dehydroepiandrosterone (DHEA) levels in both sexes?

<p>DHEA levels follow the same pattern as sebum levels (A)</p> Signup and view all the answers

When does sebaceous activity start to increase again in children?

<p>Towards the end of childhood (C)</p> Signup and view all the answers

What is the level of skin-surface lipid in neonatal males and females, and how does it change over time?

<p>Neonatal skin-surface lipid is higher in females than in males, and decreases throughout childhood. (B)</p> Signup and view all the answers

What is the possible relationship between adrenal activity and sebum production in prepubertal children?

<p>Adrenal activity may be related to sebum production in prepubertal children. (A)</p> Signup and view all the answers

When does sebaceous activity start to increase again in children, and how does it compare to other signs of approaching puberty?

<p>Sebaceous activity starts to increase again in children towards the end of childhood, before other signs of approaching puberty. (D)</p> Signup and view all the answers

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