Start the loop
What must be named before a control loop can be drawn?
Check
The controlled variable and the disturbance or context affecting it.
FOUR ORIGINAL PROMPTS
Redraw the
control loop.
Answer first, then compare with the mechanism.
Trace the route
Which five elements carry the response?
Check
Sensor, input signal, integrator, output signal and effector.
State direction
What distinguishes a feedback relationship?
Check
Whether the response opposes or amplifies the initiating change, and under what condition it stops.
Protect the model
Why add context to a feedback explanation?
Check
Because a model has assumptions; time, environment and physiological state can alter the observed response.