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WorksheetsHomeostasis
Total questions: 10
Worksheet time: 13mins
What type of feedback system is described above?
positive
negative
neutral
leofied
What type of feedback system does the model represent?
positive
negative
neutral
glyogen
What is the stimulus in the model above?
high blood glucose is detected by insulin secreting cells of the pancreas
rising blood glucose level
pancreas secretes the hormone insulin
body cells take up more glucose
In a positive feedback loop, each action creates a consequence that _____________________ the other action.
decreases
has no effect on
amplifies
In a negative feedback loop, each action creates a consequence that _____________________ the other action.
decreases
has no effect on
amplifies
Identify the receptor in the diagram
high blood glucose level is detected by insulin secreting cells of the pancreas
rising blood glucose level
pancreas secretes the hormone insulin
body cells take up more glucose
Which of the following describes homeostasis?
keeps variables exactly at the set point
organism's ability to maintain steady(stable) internal conditions
acts to keep values outside of a desired range
operates through positive feedback
Identify the corrective mechanism in the diagram
High blood glucose level is detected by insulin secreting cells of the pancreas
Pancreas secretes the hormone insulin
rising blood glucose level
return to homeostatic blood glucose level
Identify the set point in the diagram
High blood glucose level is detected by insulin secretng cells in the pancreas
pancreas secretes the hormone insulin
body cells take up more blood glucose
return to homeostatic blood glucose level
Create a CER response to the following prompt using at least 3 pieces of evidence and relating the evidence to the steps of homeostasis (stimulus, receptor, corrective mechanism, and set point).
People get a fever when their brain sets the body temperature higher than normal. This may happen as a reaction to germs such as viruses or bacteria, but it can also happen as a reaction to substances that are made by the body, such as prostaglandins. Our body produces prostaglandins to fight off germs.
A body temperature of 38°C (100.4°F) or more is considered to be a fever. Temperatures above 39.5°C (103.1°F) are considered to be a high fever, and very high fever is defined as any temperature above 41°C (105.8°F). A temperature between 37.5°C and 38°C is an elevated body temperature.
