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SCI221-18 HP Week 1

QuestionAnswer
Many complex processes of the body are coordinated at many levels including intracellular, intrinsic, and extrinsic. True
Which of the following is a basic component of every feedback control loop? sensor mechanism, integrating center, effector, and feedback.
Which level of control operates at the cell level, often using genes and enzymes to regulate cell funtion? intracelluar regulation.
Local control or ___________, intrinsic mechanisms often make use of chemical signals. autoregulation
Effectors can be described as organs that directly influence controlled physiological variables.
The concept that information may flow ahead to another process to trigger a change in anticipation of an event that will follow is called feed-forward.
Extrinsic control usually involves which mode of regulation? nervous and endocrine
To accomplish self -regulation, a highly complex and integrated communication control system or network is required. This type of network is called feedback control loop
Processes for maintaining or restoring homeostasis are known as homeostatic control mechanisms.
Events that lead to an immune response to an infection or the formation of a blood clot are examples of positive feedback.
What term describes a signal traveling toward a particular center or point of reference? afferent
Created by: thaokimberly
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