Answered: sting a patellar reflex, what are you…

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Biology

sting a patellar reflex, what are you working on

Essentials Of Human Development

1st Edition

ISBN:9781285647357

Author:Kail

Publisher:Kail

Chapter3: Tools For Exploring The World: Physical, Perceptual, And Motor Development

Section3.1: The Newborn

Problem 3TY

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Question

If you are testing a patellar reflex, what are you working on

Expert Solution

Step 1

1-The analysis and observation of the patellar reflex are one of the clinical trials that are performed most rapidly for neurological tests So it can work as an essential tool for the diagnosis of many neuromuscular diseases.

2-The spinal nerves from the levels L2, L3, and L4 in the spinal cord, predominantly in the root have the tendency to mediate the patellar reflex. The patellar reflex is a deep tendon reflex.

3-To determine the integrity of the neurological function, which is accomplished by hitting the Patellar tendon below the kneecap with a test hammer for that purpose usually the Patellar reflex test is performed.

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Background: A doctor conducted a patellar tendon (aka knee jerk - covered in lecture, assigned reading, and laboratory) reflex test on a patient. To do so, she tested the patient's knee-jerk reflex by hitting the patient's patellar tendon with a rubber hammer. For this patient, the doctor observed that hitting the tendon caused no knee jerk reflex at all, even after many attempts. Normally, a patient will kick her lower leg after the hammer hit on the tendon. However, the doctor could stimulate contraction of the quadriceps leg muscles using a stimulating electrode that applied a voltage across the muscle. 1) During the examination, the patient got nervous. His heart rate increased. Which of the following would increase heart rate? Group of answer choices a)An increase in parasympathetic neural stimulation to the pacemaker node of the heart b)An increase in sympathetic neural stimulation to the pacemaker node of the heart c)An increase in acetylcholine release by motor neurons…
Background: A doctor conducted a patellar tendon (aka knee jerk - covered in lecture, assigned reading, and laboratory) reflex test on a patient. To do so, she tested the patient's knee-jerk reflex by hitting the patient's patellar tendon with a rubber hammer.For this patient, the doctor observed that hitting the tendon caused no knee jerk reflex at all, even after many attempts.Normally, a patient will kick her lower leg after the hammer hit on the tendon.However, the doctor could stimulate contraction of the quadriceps leg muscles using a stimulating electrode that applied a voltage across the muscle. The doctor, with further analysis, determined that the receptor membranes of the stretch receptors were operating correctly.To do this, she carefully inserted an electrode into a stretch receptor's membrane, near to the location on the membrane where receptor proteins are located. She measured a change in voltage while hitting the tendon with the hammer. With further testing, the…