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A:
Q: Explain Glossary of Terms Concerning Receptors?
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Compare and contrast ionotropic and signaling. Which senses use which type?
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- Fill out the information indicated for tactile receptors in the table below: Name Structure Location Function. (encapsulated or unencapsulated?) Tactile disc Tactile corpuscle Free nerve endings End bulb Bulbous corpuscle Root hair plexus Lamellated corpuscleDescribe the general process of transduction in a receptor that is a cell separate from the afferent neuron. Include in your description the following terms: specificity, stimulus, receptor potential?Explain briefly the signal transduction for the following senses: i. Hearing. ii. Vision.
- What is the importance of Receptor Field Overlap?Create a visual representation comparing and contrasting the parasympathetic and sympathetic nervous system- including what each system is responsible for, the receptors involved in each system, and what happens when these receptors are stimulated vs. when they are blocked. Attached is an example of what a visual may look like to guide you in the right direction...Define accommodation (aka adaptation) of receptors and give two examples of such.
- What does a receptor detect?Characterize each receptor activity described below by choosing the appropriate letter and number(s) from keys A and B.Applying a pressure stimulus to the fluid-filled capsule of an isolated Pacinian corpuscle causes a brief burst of action potentials in the afferent neuron, which ceases until the pressure is removed, at which time another brief burst of action potentials occurs. If an experimenter removes the capsule and applies pressure directly to the afferent neuron ending, action potentials are continuously fired during the stimulus. Explain these results in the context ofadaptation.
- Describe each of the following types of receptors, indicating what sensation it detects and giving an example of where it can be found in the body: pain receptors (nociceptors), temperature receptors,mechanoreceptors (including proprioceptors and barorceptors/pressoreceptors), chemoreceptors, and photoreceptors.Drag the labels onto the diagram to identify the components of somatic sensory pathways. First synapse in medulla, ipsilateral to the stimulus First synapse in spinal cord, ipsilateral to the stimulus Fine touch, vibration, proprioception Crosses midline in spinal cord Second synapse in thalamus, contralateral to the stimulus Pain, temperature, coarse touch Third synapse in primary somatic sensory cortex, contralateral to the stimulus Crosses midline in medulla SOMATOSENSORY PATHWAYSDescribe the flow of generation of receptor potential when sensory receptors detected stimuli.
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