Newborn Reflexes
What reflexes should be present in a newborn?Reflexes are involuntary movements or actions. Some movements are spontaneous and occur as part of the baby's normal activity. Others are responses to certain actions. Healthcare providers check reflexes to determine if the brain and nervous system are working well. Some reflexes occur only in specific periods of development. The following are some of the normal reflexes seen in newborn babies: Rooting reflexThis reflex starts when the corner of the baby's mouth is stroked or touched. The baby will turn his or her head and open his or her mouth to follow and root in the direction of the stroking. This helps the baby find the breast or bottle to start feeding. This reflex lasts about 4 months. Suck reflexRooting helps the baby get ready to suck. When the roof of the baby's mouth is touched, the baby will start to suck. This reflex doesn't start until about the 32nd week of pregnancy and is not fully developed until about 36 weeks. Premature babies may have a weak or immature sucking ability because of this. Because babies also have a hand-to-mouth reflex that goes with rooting and sucking, they may suck on their fingers or hands. Moro reflexThe Moro reflex is often called a startle reflex. That’s because it usually occurs when a baby is startled by a loud sound or movement. In response to the sound, the baby throws back his or her head, extends out his or her arms and legs, cries, then pulls the arms and legs back in. A baby's own cry can startle him or her and trigger this reflex. This reflex lasts until the baby is about 2 months old. Tonic neck reflexWhen a baby's head is turned to one side, the arm on that side stretches out and the opposite arm bends up at the elbow. This is often called the fencing position. This reflex lasts until the baby is about 5 to 7 months old. Grasp reflexStroking the palm of a baby's hand causes the baby to close his or her fingers in a grasp. The grasp reflex lasts until the baby is about 5 to 6 months old. A similar reflex in the toes lasts until 9 to 12 months. Stepping reflexThis reflex is also called the walking or dance reflex because a baby appears to take steps or dance when held upright with his or her feet touching a solid surface. This reflex lasts about 2 months. What symptom assessed in a newborn shortly after delivery should be reported?The Apgar score is assigned in the first few minutes after birth to help identify babies that have difficulty breathing or have a problem that needs further care. The baby is checked at one minute and five minutes after birth for heart and respiratory rates, muscle tone, reflexes, and color.
Which of the newborn's senses is the most fully developed at birth quizlet?Hearing is fully developed in newborns. Babies with normal hearing should startle in response to loud sounds, pay quiet attention to the mother's voice, and briefly stop moving when sound at a conversational level is begun. Newborns seem to prefer a higher-pitched voice (the mother's) to a low sounding voice (males).
Which assessment of the newborn should be reported quizlet?The assessment of the newborn that should be reported is: head circumference that is 5 cm greater than the chest circumference. Parents express concern about the milia on the face and nose of their infant.
How is the magnet reflex elicited in a full term newborn?First on the list is magnet reflex, which can be elicited by applying pressure on the soles of the foot of newborns lying in supine position. As a response, the newborns would push back against the pressure. The second reflex to test spinal cord integrity is called crossed extension reflex.
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The nurse is aware that a full-term infant is born with which reflexes select all that apply
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