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Which of the following stimuli (s)
produces a propagating depolarization? Group of answer options
Below the threshold (subthreshold)
Maximum stimuli
Threshold stimuli
Supramaximal stimuli
Step by step
Solved in 2 steps
- Which of the following stimuli (s) produces only a local potential and no action potential? Group of answer options Maximum stimuli Threshold stimuli Below the threshold (subthreshold) Supramaximal stimuliThe "All or None" response means that: A stimulus causes depolarization and repolarization regardless of the strength of the stimulus There is no threshold for an electrical stimulus signal to reach before depolarization and repolarization O Potassium channels open for depolarization and sodium channels open for repolarization A stimulus has to be strong enough for depolarization to occur followed by repolarizationIf the response to a stimulus is a change from a negative potential to a less negative potential, the change is called: stimulus response Repolarization Depolarization Stimulus recovery
- A pin can be pressed against the skin lightly and elicit no response from the pain receptor. However, if the pin is jabbed into the finger, the pain receptor may be stimulated and the finger would quickly be withdrawn through a reflex arc. Use what you know about threshold potential and the all-or-none principle to explain different levels of sensation (light touch or pain)Which type of summation REQUIRES convergence? A temporal summation spatial summation C both require convergenceA fast-adapting sensory receptor (such as a tactile corpuscle or hair follicle receptor): sends information to the CNS continuously, as long as the adequate stimulus is applied sends information only when an adequate stimulus is applied to (or removed from) the nerve ending
- Signal detection theory suggests that deciding whether a stimulus is present depends partly on the ________ and partly on the potential gain or loss associated with deciding that it is present or absent the strength of the stimulus the focus of your attention probability that the stimulus will occur level of your anxietywhen a stimulus is applied for a prolonged period the rate of receptor discharge slowsPlease find the answer to all three questions In the ERP Technique, Latency refers to to The number of neurons working together The time from the onset of a stimulus to the peak of a particular component The size of electrical change in microvolts of a particular component The number of trials averaged together ------------------------- Perception occurs at/in The sensory receptors Afferent neural pathways The brain The peripheral nervous system ------------------------- fMRI has better spatial resolution than EEG True False ------------------------- ERP has better spatial resolution than single unit recordings True False
- During your lab session, you looked at how the internal stimulator is set up to deliver a stimulus voltage to tissue like skeletal or cardiac muscle to cause it to contract, The amplitude, frequency and duration of the stimulus delivered can be adjusted. Looking at the image of the stimulator panel, what is the frequency of the stimulus to be delivered in Hz? Stimulator - Document1 Output: Pulse Stmulate Max Repeat Rate Pulse Height Pulse Width 15 Hz 0.1 O 15 Hz 5 Hz 0.1 HzIndicate whether each of the following is an example of sensory transduction or transmission. lon channels in a sensory v [ Choose ] cell in the skin open in transmission response to a change in transduction temperature. The membrane potential in [ Choose ] the dendrites of a touch receptor moves toward 0 mV An action potential is [ Choose ] carried along a sensory neuron toward the brainWhat component of control mechanism produces a response in the body? Group of answer choices stimulus control center receptor effectors
