Magnesium sulfate is given to women with preeclampsia and eclampsia to improve patellar reflexes and increase respiratory efficiency shorten the duration of labor. prevent and treat convulsions. prevent a boggy uterus and lessen lochial flow.
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Step 1: To improve patellar reflexes and increase respiration, magnesium sulfate can be administered intravenously to the patient. Show more…
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Put the steps of the patellar reflex in order 1. Tapping stretches the patellar tendon 2. Sensory neuron stimulates lower motor neuron in ventral horn of spinal cord 3. Motor signal travels to quadriceps muscle 4. Signal is sent up primary sensory neuron to spinal cord 5. Quadriceps muscle is stretched a bit, activating muscle spindles 6. Quadriceps muscle contracts; leg kicks
Adi S.
Lab regarding Patellar Reflex. Reflex conduction times in ms were taken when the patellar reflex was activated during the three scenarios: Quads Relaxed, Quads Tightened, and Jendrassik's. 1A) Is the patellar reflex inhibited or enhanced by voluntary muscle activity in the quadriceps? Speculate on the mechanism of inhibition or enhancement. Also, is the patellar reflex retarded or facilitated during the Jendrassik's Maneuver (voluntary muscle activity in another part of the body)? Speculate on the mechanism of retardation or facilitation. 1B) Besides excitatory inputs from stretch receptors, what synaptic inputs might influence the activity of spinal motor neurons?
1. Compare the average reflex times of the Achilles and patellar tendon reflexes. What factors contribute to the difference between the two reflex times? 2. Is the patellar reflex inhibited or enhanced by voluntary muscle activity in the quadriceps? Speculate on the mechanism of inhibition or enhancement. 3. Is the patellar reflex retarded or facilitated during the Jendrassik's Maneuver (voluntary muscle activity in another part of the body)? Speculate on the mechanism of retardation or facilitation. 4. Besides excitatory inputs from stretch receptors, what synaptic inputs might influence the activity of spinal motor neurons?
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