Cell Apoptosis vs Myelination Quiz
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Questions and Answers

What is the role of caspases in apoptosis?

  • Serving as key components in the apoptotic signaling network (correct)
  • Reducing blood flow to the brain
  • Impeding the development of white matter
  • Enhancing the speed of information transmission

How does myelination impact the transmission of information along neurons?

  • It increases the number of neurons within the cortex
  • It reduces spine density
  • It impairs brain connectivity
  • It enhances the speed and fidelity of information encoded in action potentials (correct)

What factor can cause a reduction in blood flow combined with lower than normal oxygen levels in the blood, ultimately affecting brain development?

  • Maternal stress
  • Intrauterine infection/inflammation
  • Premature birth
  • Cerebral hypoxia-ischemia (correct)

What neurological disorder may have its origins during fetal life according to compelling evidence?

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

What is a potential consequence of acute fetal hypoxemia on brain development?

<p>Enhanced cell migration in the hippocampus (C)</p> Signup and view all the answers

What effect can chronic fetal hypoxemia have on brain development?

<p>Impairment of development of the fetus (C)</p> Signup and view all the answers

How can CNS inflammation affect pre-oligodendrocytes?

<p>Impeding interneuron axons survival (D)</p> Signup and view all the answers

What is a potential therapeutic intervention for injuries unfolding over several days after an insult?

<p>Stem cells with neuroprotective effects (C)</p> Signup and view all the answers

What challenges are associated with cord blood cell therapy?

<p>Transient neuroprotective effects (B)</p> Signup and view all the answers

What is the main focus of preclinical considerations relating to humans according to the text?

<p>Relevance to humans (A)</p> Signup and view all the answers

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