Treatment of burns has been improved by the use of 'spray on skin' - VCE - SSCE Biology - Question 7 - 2005 - Paper 1
Question 7
Treatment of burns has been improved by the use of 'spray on skin'. Spray on skin consists of a suspension of individual skin cells from the patient that is sprayed ... show full transcript
Worked Solution & Example Answer:Treatment of burns has been improved by the use of 'spray on skin' - VCE - SSCE Biology - Question 7 - 2005 - Paper 1
Step 1
Describe one way in which intact skin contributes to homeostasis.
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Answer
Intact skin contributes to homeostasis by acting as an effective barrier that reduces water loss from damaged tissues, thereby maintaining fluid balance within the body.
Step 2
Suggest a reason for more rapid cell growth and division with the spray on skin technology.
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Answer
The use of body fluids as a culture medium provides essential nutrients and a suitable environment for skin cells to grow and divide more effectively than traditional methods.
Step 3
Explain how the process of facilitated diffusion enables the uptake of glucose.
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Answer
Facilitated diffusion allows glucose to pass through the lipid bilayer of cell membranes with the help of specific transport proteins, enabling glucose uptake without the need for energy.
Step 4
What is the target organ for this hormone?
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Answer
The target organ for this hormone is the liver.
Step 5
How does this hormone cause an increase in blood glucose concentration?
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This hormone stimulates the liver to convert stored glycogen into glucose, releasing it into the bloodstream, thereby increasing the blood glucose concentration.
Step 6
State one advantage of form C.
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One advantage of form C is its longer duration of action, which can provide more sustained blood glucose control over an extended period.
Step 7
Describe one situation when it would be advantageous to use form A.
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Answer
It would be advantageous to use form A in situations requiring rapid increases in blood glucose levels, such as during a hypoglycemic episode or after intense physical activity.
