Developmental Reflexes Quiz

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10 Questions

At what age does the Moro reflex typically disappear?

3 to 6 months

What triggers the stepping reflex in babies?

Touching the soles of their feet

At what age does the stepping reflex re-emerge in babies?

12 months old

What activates the rooting reflex in babies?

Touching the cheek or mouth

At what gestational age does the rooting reflex develop?

12-28 weeks

Which of the following is a typical characteristic of the asymmetrical tonic neck reflex?

Extension at the arm and leg on the face side

At what age does the rooting reflex usually disappear in infants?

4 months

Which lobe of the brain is responsible for replacing primitive reflexes with voluntary movements as it matures?

Frontal lobe

What is a normal response when the asymmetrical tonic neck reflex is elicited in an infant?

Flexion at the arm and leg on the face side

When does the asymmetrical tonic neck reflex typically emerge in fetal life?

During the third trimester

Study Notes

Primitive Reflexes

  • The Moro reflex typically disappears between 3-6 months of age.
  • The stepping reflex is triggered by holding the baby upright and supporting them under their arms.
  • The stepping reflex re-emerges in babies around 12-14 months of age.
  • The rooting reflex is activated by stroking the baby's cheek or lips.
  • The rooting reflex develops around 32-34 weeks of gestational age.
  • A typical characteristic of the asymmetrical tonic neck reflex is the extension of the arm and leg on the side to which the face is turned.
  • The rooting reflex usually disappears in infants around 4-6 months of age.
  • The frontal lobe of the brain is responsible for replacing primitive reflexes with voluntary movements as it matures.
  • A normal response when the asymmetrical tonic neck reflex is elicited in an infant is the extension of the arm and leg on the side to which the face is turned.
  • The asymmetrical tonic neck reflex typically emerges in fetal life around 18-20 weeks of gestational age.

Test your knowledge of infant reflexes with this quiz covering the Moro reflex and stepping reflex. Learn about the onset, integration, and triggering of these involuntary movements in babies.

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