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During which period can a second action potential be initiated by a larger than normal stimulus?
The period following the absolute refractory period is where a second action potential can be initiated by a larger than normal stimulus. This phase is known as the relative refractory period.
According to the all or none principle what would happen if a cell were depolarized twice the normal amount needed to produce an action potential?
If a cell were depolarized twice the normal amount needed to produce an action potential, it would still only produce a single action potential. The all-or-none principle states that once the threshold for an action potential is reached, the neuron will fire with a fixed amplitude and duration regardless of the strength of the stimulus.
What is the normal blood pressure response to exercise?
During exercise, the normal blood pressure response is an increase in both systolic and diastolic blood pressure. This is a natural response to the body's increased demand for oxygen and nutrients during physical activity.
What is the body's normal response to injury?
The body's normal response to injury is inflammation, which is a protective mechanism to help initiate the healing process. This response involves increased blood flow to the injured area, immune cell activation, and tissue repair processes. Pain, swelling, redness, and heat at the injury site are common signs of inflammation.
Which of these is the goal of a negative feedback loop to A enhance a stimulus' action B release hormones C signal receptors to receive sensory info D return a substance to a normal level?
D. The goal of a negative feedback loop is to return a substance to a normal level. Negative feedback loops work to counteract any deviation from a set point in order to maintain homeostasis in the body.
What is the supranormal period cardiovascular?
Supranormal Period (SNP) is the period during which a slightly smaller than normal stimulus can elicit a propagated response, although the amplitude of the action potential is reduced compared to normal. I'm not sure either as of to how the mechanism of this allows a stimulus lower than threshold can elicit this response.
The period after initial stimulus when I neuron is not sensitive to another stimulus is the?
The period after an initial stimulus when a neuron is not sensitive to another stimulus is called the refractory period. During this time, the neuron is recovering and cannot generate another action potential, which ensures that signals are transmitted in one direction and helps maintain the integrity of the nerve signal. The refractory period can be divided into two phases: the absolute refractory period, where no stimulus can trigger an action potential, and the relative refractory period, where a stronger-than-normal stimulus is required to elicit a response.
What is a response that feeds back to reverse the changes caused by the original stimulus?
Negative feedback is the response to changes in stimuli that reverts the change back to the normal stimuli.
During which period can a second action potential be initiated by a larger than normal stimulus?
The period following the absolute refractory period is where a second action potential can be initiated by a larger than normal stimulus. This phase is known as the relative refractory period.
How are a stimulus and a response related?
They are directly related. Homeostasis is an environments ability to maintain stbility in a regular cycle, but when something new is introduced, the environment is able to respond to a new occurance, or stimulus, and responds in order to survive and return to maintaining a normal cycle. Without response to a new stimulus, environments would be unable to maintain homeostasis and would die out!
How can MALT lymphomas be treated?
This antigen-driven growth permits these tumors to be treated by eliminating the stimulus that generated the original, normal immune response.
How is an allergic response different from a normal inflammation response?
kw killer. sr crue
What is homeostatasis?
the tendency of a system, esp. the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus tending to disturb its normal condition or function.
What is homeostatic reaction?
It is a tendency of a system, esp. the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus tending to disturb its normal condition or function.
What is a response to body temperature rising above normal?
The normal response if the body temperature rises above normal is perspiration.
What is negative supporting reaction in physiotherapy?
When a patient displays normal integration of a primitive supporting reflex in response to a stimulus (i.e.: gravity). This indicates no upper motor neuron lesion in the brain region responsible for integrating the tested primitive reflex.
What is the body's response to injuries?
Inflamation is the body's normal response to injury. (:
