Chap 1 Concept Map on Homeostasis

How to Create a Concept Map - Example
Design a concept map based on the topic using all terms and linking phrases at least once.
Step 1: Put
into the workspace.
Step 2: Connect two terms to form a connection called a proposition.
Step 3: Organize the propositions to show the relationships between each other.
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Concept Map: Feedback Mechanisms
Using no more than 11 propositions create a Concept Map to explain how positive and
negative feedback systems are related to body homeostasis.
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Questions
Which of the following is an example of positive feedback?
constriction of the pupils when the eyes are exposed to bright light
the increase in milk production while a mother is nursing her infant
breathing and heart rate increase as a person climbs a set of stairs
sweating when hot so that as sweat evaporates the body is
Which of the following is a typical effector in a feedback system?
an endocrine gland
the brain
temperature-sensitive nerve endings in the skin
pressure-sensitive cells in the blood vessel
Which of the following represents activation of an “afferent” pathway?
the perception of being in a cold environment
sending a signal to sweat glands to produce sweat
increasing the production of chemicals that attract more platelets to produce a blood clot
jerking the hand back in a reflex
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The cruise control in a car monitors the car’s speed and adjusts the accelerator as needed to maintain the speed at a set point determined by the driver.
Which of the following would serve as the receptor in this feedback system?
the car’s accelerator
the car’s tires
the computer chip within the cruise control device that compares actual speed to desired speed
the car’s speedometer
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