What reflex is elicited: Fanning of toes when stroking lateral edge of baby's foot?
Babinski's Reflex.
Stepping Reflex.
Moro reflex.
Plantar Grasp reflex.
The Correct Answer is A
Choice A reason:
Babinski's Reflex is the normal response in infants when the sole of the foot is stroked from the heel to the ball of the foot. The big toe moves upward or toward the top surface of the foot, and the other toes fan out. This reflex is normal in children up to 2 years old, and it disappears as the nervous system matures. It may indicate damage to the central nervous system in older children and adults.
Choice B reason:
Stepping Reflex is the normal response in infants when they are held upright with their feet touching a flat surface. They will lift one foot and then the other, as if they are walking. This reflex is present at birth and lasts for about 2 months. It helps prepare the infant for voluntary walking.
Choice C reason:
Moro Reflex is the normal response in infants when they are startled by a loud noise or a sudden movement. They will extend their arms and legs, open their hands, and then curl up and bring their arms together as if they are hugging themselves. This reflex is present at birth and lasts for about 4 to 6 months. It is thought to be a protective response that helps the infant cling to their caregiver.
Choice D reason:
Plantar Grasp Reflex is the normal response in infants when pressure is applied to the sole of the foot near the toes. The toes will curl down and grasp the stimulus. This reflex is present at birth and lasts for about 9 to 12 months. It is similar to the palmar grasp reflex in the hands, and it helps develop the muscles and nerves in the feet. Some additional sentences are:. If you are interested in learning more about infant development, you can check out some of these links:. • [A guide to newborn reflexes]. • [A video demonstration of newborn reflexes].
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason:
Obtaining blood glucose by heel stick is the appropriate action for a newborn who exhibits signs of diaphoresis, jitteriness, and lethargy. These signs are suggestive of hypoglycemia, which is a common and potentially serious condition in newborns. Hypoglycemia can result from various causes, such as maternal diabetes, prematurity, intrauterine growth restriction, or perinatal stress. A heel stick is a simple and quick method to obtain blood samples from newborns for glucose testing.
Choice B reason:
Initiating phototherapy is not the appropriate action for a newborn who exhibits signs of diaphoresis, jitteriness, and lethargy. Phototherapy is used to treat hyperbilirubinemia, which is a condition characterized by high levels of bilirubin in the blood. Hyperbilirubinemia can cause jaundice, which is a yellowish discoloration of the skin and eyes. Jaundice does not typically cause diaphoresis, jitteriness, or lethargy in newborns.
Choice C reason:
Monitoring the newborn's blood pressure is not the appropriate action for a newborn who exhibits signs of diaphoresis, jitteriness, and lethargy. Blood pressure measurement is not routinely performed in healthy newborns. Blood pressure may be indicated in newborns who have signs of cardiovascular compromise, such as cyanosis, tachycardia, or poor perfusion. Diaphoresis, jitteriness, and lethargy are not specific signs of cardiovascular compromise in newborns.
Choice D reason:
Placing the newborn in a radiant warmer is not the appropriate action for a newborn who exhibits signs of diaphoresis, jitteriness, and lethargy. A radiant warmer is a device that provides heat to maintain the newborn's body temperature. A radiant warmer may be used for newborns who are at risk of hypothermia, such as those who are premature, have low birth weight, or have cold stress. Diaphoresis, jitteriness, and lethargy are not specific signs of hypothermia in newborns.
Correct Answer is C
Explanation
Choice A. Accelerations are normal responses that indicate the fetus is healthy and active. Accelerations occur when the fetal heart rate increases in response to stimuli. •
Choice B. Late decelerations are nonreassuring patterns that indicate fetal hypoxia due to placental insufficiency. Late decelerations occur when the placental blood flow decreases due to uterine contractions during labor, causing the fetal heart rate to decrease. •
Choice C. Variable decelerations are nonreassuring patterns that indicate fetal hypoxia due to umbilical cord compression. Variable decelerations occur when the umbilical cord is trapped by the cervical opening or the fetal body part, twisted, or knotted, causing the fetal oxygen supply to be impaired and the fetal heart rate to drop sharply. •
Choice D. Early decelerations are reassuring patterns that indicate a neural reflex due to fetal head compression. Early decelerations occur when the fetal head is compressed by uterine contractions during labor, causing the parasympathetic nervous system to be stimulated and the heart rate to decrease. The correct answer is C. Variable decelerations are the most common pattern that indicates a problem with the umbilical cord and requires urgent intervention.
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