which one of the following is the correct sequence in a typical reflex arc?
528927
Which of the following is the correct sequence in a typical reflex arc: Receptor, afferent neuron, efferent neuron, integration center, effector.
1234312
A reflex action often involves a very simple nervous pathway called a reflex arc. A reflex arc starts off with receptors being excited. They then send signals along a sensory neuron to your spinal cord, where the signals are passed on to a motor neuron. As a result, one of your muscles or glands is stimulated.
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['Plane I - from onset of automatic respiration to cessation of eyeball movements. ... ', 'Plane II - from cessation of eyeball movements to beginning of paralysis of intercostal muscles. ... ', 'Plane III - from beginning to completion of intercostal muscle paralysis.']
181116
When a reflex arc in an animal consists of only one sensory neuron and one motor neuron, it is defined as monosynaptic, referring to the presence of a single chemical synapse. ... By contrast, in polysynaptic reflex pathways, one or more interneurons connect afferent (sensory) and efferent (motor) signals.
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['Palmar Grasp Reflex. inherited reflexPalmar grasp reflex in a newborn. ... ', 'Tails. In the sixth week of gestation, the human embryo possesses a tail, complete with several vertebrae. ... ', 'Wisdom Teeth. teeth Zoonar/Thinkstock. ... ', 'Nictitating Membrane. eye © Sam23/Fotolia. ... ', 'Auricular Muscles. ... ', 'Palmaris Longus Muscle. ... ', 'Pyramidalis Muscle.']
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The differences between these two reflexes are in the receptive fields and the fact that the great toe is flexed in one and extended in the other. ... The abnormal plantar reflex, or Babinski reflex, is the elicitation of toe extension from the "wrong" receptive field, that is, the sole of the foot.
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Which one of the following is the CORRECT sequence of activities for handling an incident? Identification, logging, categorization, prioritization, initial diagnosis, escalation, investigation and diagnosis, resolution and recovery, closure.
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['The Sensory Nerves.', 'The Voluntary Motor Nerves.', 'The Involuntary Motor Nerves.']
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Two points lying on a circle actually define two arcs. The shortest is called the 'minor arc' the longer one is called the 'major arc'. A Major arc is usually referred with three letters, and a minor arc is usually referred to with only two letters.
1018691
A reflex action is an automatic (involuntary) and rapid response to a stimulus, which minimises any damage to the body from potentially harmful conditions, such as touching something hot. Reflex actions are therefore essential to the survival of many organisms.
560232
The Babinski reflex occurs in response to someone passing a blunt object across the bottom of the foot from the heel to the big toe. When the reflex is present, the big toe flexes up, and the other toes spread out. The reflex may be present in infants without any underlying conditions.
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Concentric and eccentric phases were determined by the direction of motion. For example, during hip abduction, the concentric phase occurred when the dynamometer arm moved from 0° to 20° of hip abduction; the eccentric phase occurred when the dynamometer arm moved from 20° to 0° of hip abduction.
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A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus. ... A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.
351220
Describe the difference between an ipsilateral and contralateral reflex arc. n an ipsilateral reflex arc, the sensory receptors and effectors are on same side of the body. In a contralateral reflex arc, the sensory receptors and effectors are on opposite sides of the body.
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Deep Tendon Reflexes. Check the deep tendon reflexes using impulses from a reflex hammer to stretch the muscle and tendon. The limbs should be in a relaxed and symmetric position, since these factors can influence reflex amplitude.
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There are two kinds of kinetic chain exercises: open and closed. In open kinetic chain exercises, the segment furthest away from the body — known as the distal aspect, usually the hand or foot — is free and not fixed to an object. In a closed chain exercise, it is fixed, or stationary.
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Deep tendon reflexes are normal if they are 1+, 2+, or 3+ unless they are asymmetric or there is a dramatic difference between the arms and the legs. Reflexes rated as 0, 4+, or 5+ are usually considered abnormal.