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Physiology- Exam 1 SLCC Questions and Answers
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Physiology- Exam 1 SLCC Questionsand Answers
Negative Feedback
Mechanisms that restore homeostasis if disturbed
Reflex Arc
Mechanisms of negative feedback that help to maintain homeostasis
Stimulus
Detectable change
Ex) high temp in home
Sensory Receptor
Detects stimulus
Ex) themometer
Afferent Pathway/Input
Pathway of receptor to control center
Ex) Wires and technology
Integration Center
Receives and processes info
Ex) Thermometer
Efferent Pathway/Output
, Decides if it is worth responding
Ex) Human or AI
Effector Organ
Responds to command
Ex) AC
Response
Brings back to normal
Negative Feedback Inhibition
Response signals to receptor to stop negative feedback
Feedforward Mechanism
Anticipatory hemostasis
Ex) Salivating
Extrinsic Regulation
Long distance negative feedback
Two+ body systems
Usually involves endocrine or nervous
Intrinsic Regulation
Short distance negative feedback can be automatic
Own organ or body systems figure it out
Hormones
Endocrine communication
Insulin, glucagon, estrogen, testosterone
May take a long time to take effect but effect lasts days
Travel through blood
Neurohormone
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