A negative feedback mechanism is one where the stimulus and response operate in different directions (ex: stimulus increases, response decreases a given variable). True False Question? (1 point) The gain of a reflex or response is a measure of the strength of the reflex/response. True False
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g., if the stimulus causes a variable to increase, the response acts to decrease that variable). Show more…
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In a negative feedback system, an organ or tissue that most directly corrects a change from a set-point is called An effector A sensor A control center A stimulus Question 8 With a negative feedback system, the value in question will vary around the set point. True False Question 9 With a positive feedback system, the value in question will vary around the set point. True False
Sri K.
Integrating center (Compare to set point) Afferent pathway Efferent pathway Receptor Effector Begin Stimulus Response Negative feedback Figure 1.7 General components of a reflex arc that functions as a negative feedback control system. The response of the system has the effect of counteracting or eliminating the stimulus. This phenomenon of negative feedback is emphasized by the minus sign in the dashed feedback loop. The pathway mediating a reflex is known as the reflex arc, and its components are shown in Figure 1.7. A stimulus is defined as a detectable change in the internal or external
Which of the following is true regarding negative feedback mechanisms, in homeostasis? They counteract the original stimulus They oppose positive feedback responses. They are harmful for the body They enhance the original stimulus
Adi S.
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