![]() ![]() This reflex is the extension of the patient's arms when a fall is simulated. The parachute reflex is a reflex that presents early in life (6-8 months) and never disappears. The central nervous origin of this reflex is also in the brain stem vestibular nuclei. It is present at birth and disappears at age 4 to 6 months. In the placing reflex, stimulation of the dorsum of the foot leads to a step-up movement ( choice E). The central nervous origin of this reflex is in the brain stem vestibular nuclei. In the rooting reflex, stimulation of the cheek prompts turning of mouth to that side ( choice D). In the grasp reflex, putting a finger in palm leads to flexion of the hand, elbow, and shoulder ipsilaterally ( choice B). In Moro reflex, extension of the head leads to flexion of the arms and legs ( choice A). It appears at age 6 to 8 months and never disappears. The parachute reflex is described as extension of the infant's arms when a fall is stimulated. Most reflexes are present at birth and disappear by age 4 to 6 months. Which of the following is likely to be the one reflex that persists throughout life? The mother asks about each and every one of the newborn reflexes and when they are supposed to disappear. ![]() During a simulated fall, the baby reacts by extending his arms. Tactile stimulation of the cheek prompts him to turn his mouth to that side, and touching the dorsum of his foot leads to a step-up movement. When a finger is put in his palm, he flexes his hand, elbow and shoulder ipsilaterally. On extension of the head, the boy flexes his arms and legs. The health care provider performs a thorough neurologic exam in front of the mother, who is very curious about everything the health care provider is doing. He is in the 50th percentile for weight and length and his vital signs are normal. On physical examination the boy appears to be in no distress. He sleeps almost through the night and stopped having colic 2 months earlier. The boy is breastfeeding and is increasing the number of solid foods he eats with each passing day. She states that the baby has been doing well and she has not noticed any abnormalities in his development, though her experience is really not very significant, she says. A young mother brings her 6-month-old firstborn son for a health supervision visit. ![]()
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