Regarding the set point of a negative feedback loop, which of the following statements is false?
It is determined by the activity of effectors.
Regulatory mechanisms are activated when there are deviations from the set point.
Sensors are activated by deviations from the set point.
Internal conditions vary around the set point.
It is determined by the activity of effectors
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It takes a swimmer 1 hour to cross a lake that is 1/2 mile wide. What is true of the swimmer's acceleration?
A. it is 1/2 mi/hr B. it is 1 mi/hr C. it is equal to velocity squared D. it cannot be determined from the information given
What would be the effect on bone growth of insufficient dietary calcium?
A. The epiphyseal plates would ossify earlier in development. B. There would be no effect, since the body is able to synthesize calcium. C. The matrix would be softer. D. There would be increased formation of spongy bone. E. The bone would be less flexible.
The joint classification of the hip joint is
A. amphiarthrosis. B. diarthrosis. C. synarthrosis. D. None of the above
Which build is slight with a long, narrow, and shallow thorax that is wider more superiorly?
A. Asthenic B. Hypersthenic C. Hyposthenic D. Sthenic