1) Homeostasis is a) the organism's ability to maintain stable conditions b) keeps variables within the organism at a set point c) keeps variables within the organism outside a desired range d) a system of positive feedback 2) Negative feedback loops are a) very inefficient b) one way an organism maintains homeostasis c) rarely found in healthy individuals d) only to be counteracted by medication 3) Which correctly identifies the control system of homeostasis  a) stimulus: effector: control system: receptorr b) control system: effector: receptor: stimulus c) stimulus: receptor: control system: effector d) Organism: stimulus: receptor: effector 4) Which of the following are examples of homeostasis a) pulling your hand away from a spiky cactus b) Shivering after a swim in the sea c) Pupils dilating as you enter a dark room d) Blood clotting after a cut 5) Disease where the body does not produce enough insulin a) Type 2 Diabetes b) Pancreatitis c) Type1 Diabetes d) Liver disease 6) How are positive feedback loops different from negative? a) Positive feedback is trying to correct the system b) Positive feedback responds to the stimulus encouraging and intensifying the reaction c) Negative feedback loop is not helpful d) Positive feedback loops can't stop 7) Where else can we see the effects of feedback loops? a) In the food industry, regarding ripening fruit b) In climate change, with global warming c) In advertising d) On TV programs

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