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What happens to graded muscle response to increased stimulus intensity?
As the stimulus intensity increases, the graded muscle response also increases in strength. This phenomenon is known as the principle of recruitment, where motor units are activated in a progressive manner based on the intensity of the stimulus. This allows for fine control over muscle force output.
What is the graded potential generated along the muscle cell membrane?
The graded potential generated along the muscle cell membrane is known as an action potential. This is an electrical signal that travels along the membrane of the muscle cell, leading to muscle contraction. It is initiated by the movement of ions across the membrane in response to a stimulus.
What is the definition of graded drug response to chloroquine?
Graded drug response to chloroquine refers to the varying degrees of sensitivity or resistance that different organisms or cells exhibit in response to chloroquine treatment. Some organisms or cells may show a high sensitivity to chloroquine, while others may demonstrate resistance, leading to a graded response depending on the specific characteristics of the organism or cell being treated.
What are some ways muscle contractions can graded?
Muscle contraction can be: Concentric, Eccentric, Static.
In response to a muscle being overstretched a muscle spindle generates a somatic spinal reflex that ultimately causes what response?
Both contaction of the agonist muscle and relaxation of the antagonist muscle
What is all or none response?
The generation of an action potential (AP) is generally considered a 'all or none' response as opposed to a graded response. This has to do mainly with single motor units. Once an AP is triggered in the neuron body (soma) the AP travels along the axon to the neuro-muscular junction where it releases acetylcholine (Ach). The muscle then either fires (if enough axons discharge) or not, but there is no halfway response.
How is the all-or-none response related to the strength of a muscle contraction?
The all-or-none response means that a muscle fiber contracts fully or not at all in response to a stimulus. The strength of a muscle contraction is determined by the number of muscle fibers that are recruited to contract, rather than the degree of contraction of individual muscle fibers. Therefore, the all-or-none response influences the overall strength of a muscle contraction by determining how many muscle fibers are activated.
What is the relationship between amplitude of muscle response and voltage of stimulus applied?
The relationship between the amplitude of muscle response and the voltage of the stimulus is generally linear. As the voltage of the stimulus increases, the muscle response increases in amplitude up to a certain point. Beyond that point, further increases in voltage may not significantly increase the muscle response amplitude or could lead to muscle fatigue or damage.
What the reaction to a stimulus by a muscle gland?
A Response
What kind of muscle cell contract?
Smooth muscle cells contract in response to fluid flow.
What is the all none law of muscle response?
all-or-none law is the principle that the strength by which a nerve or muscle fiber responds to a stimulus is not dependent on the strength of the stimulus. If the stimulus is any strength above threshold, the nerve or muscle fiber will give a complete response or otherwise no response at all
The structure that brings about response in the nervous system?
The effector such as a muscle or gland brings about response in the nervous system.
