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Homeostasis
Test Description: Practice for Anatomy
Instructions: Answer all questions to get your test result.
1) What is homeostasis?
A
tendency of the body to maintain a stable environment
B
remains within certain limited ranges
C
ingestion of enough food to satisfy hunger
D
fluctuate greatly between very high and low values
2) Which of the following is not an example of homeostasis?
A
regulation of blood carbon dioxide levels
B
temperature regulation
C
regulation of blood glucose
D
regulation of vision
3) Organisms must be able to react to a:
A
Homeostasis, Energize
B
Homeostasis, respond
C
Homeostasis, Organize
D
Stimulus, Respond to environment
4) Stimulation of the heat-loss center causes ________.
A
Sweat glands to increase their output
B
Blood vessels in the skin to constrict
C
Breathing to become slow and shallow
D
All of the above
5) How does the body remove excess carbon dioxide from the body?
A
By gas exchange in the liver
B
By gas exchange in the kidneys
C
By gas exchange in the lungs
D
All of the above
6) How does sweat keep us cool?
A
As sweat evaporates it removes heat from the skin
B
None of the above
C
It carries heat from one part of the body to another
D
Sweat is cool so it cools us down
7) What is vasodilation?
A
None of the above
B
Arterioles become wider, increasing the flow of blood in the skin capillaries
C
Arterioles become narrower, decreasing the flow of blood in the skin capillaries
D
Arterioles become narrower, increasing the flow of blood in the skin capillaries
8) What happens when blood sugar levels become too high?
A
Insulin is secreted, causing the conversion of glycogen to glucose
B
Glucagon is secreted, causing the conversion of glucose to glycogen
C
Insulin is secreted, causing the conversion of glucose to glycogen
D
None of the above
9) What effect does insulin have on blood glucose concentration?
A
It decreases the concentration of glucose
B
It increases the concentration of glucagon
C
None of the above
D
It increases the concentration of glucose
10) It decreases the concentration of glucose
A
to rest
B
to workout
C
conversion of glycogen to glucose
D
to avoid sweets
*select an answer for all questions
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