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Resolved Question: Idea's in Context Questions.?
THESE ARE EXTREMELY LIKELY TO COME UP ON THE TEST OCR 21ST CENTURY ADDITIONAL SCIENCE, IDEAS IN CONTEXT. Additional Science Topic 1 1. What is meant by the term homeostasis? (2 mark) 2. What factors affect the production of urine in the body? (5 mark) 3. What substance will not be found in the urine of a healthy person? (1 mark) 4. What advice is given to dialysis patients? (2 mark) 5. What molecules can pass through the partially permeable membrane of the dialysis machine? (3 mark) 6. Why do red bloods remain in the patient’s blood during dialysis? (2 mark) 7. Why does the dialysis fluid flow in the opposite direction to the patient’s blood? (2mark) 8. Why is it important to keep the concentration of urea low in the dialysis fluid by constantly replacing it? (2 mark) 9. How many people in the UK population develop chronic kidney failure? (1 mark) 10. What scientific word is used to describe the movement of water molecules from area of high concentration to area of low concentration? (1 mark) 11. What hormone affects the production of urine? (1 mark) 12. Where is this hormone produced in the brain? (1 mark) 13. How does alcohol affect the production of urine? (2 mark) 14. What conditions might cause a person’s urine to be a) more concentrated b) more dilute. 15. What is the longest length of time a person may need to be attached to a dialysis machine in a week? 16. Proteins cannot pass through a partially permeable membrane, suggest why! 17. What does partially permeable mean? 18. Describe the affects of alcohol on the production of urine. Ensure you name the hormone responsible for controlling urine production in your answer. 19. Name two other things that are kept constant in the body via homeostasis. 20. Define reabsorption. Additional Science topic 2 The following words are continued throughput the passage. Give a definition for each word below. acid pH alkaline neutralise antacid compounds reactions carbonates concentrations ions insoluble soluble 2. What can be the result of having too much acid in the body? 3. What can happen as a result of having too much stomach acid? 4. What can happen as a result of having too much acid in our muscles? 5. What can happen if you have too much acid in the blood? 6. What two elements does a carbonate contain? 7. Looking at the table of results answer the following: (a) What variable was being investigated? (b) What variables were kept the same? (c) Do the results show a pattern? Explain. (d) Are the results precise? (e) Are the results reliable? Explain. (f) Explain why there may have been a slight change in temperature? (g) What conclusion could you draw from the results? (reference any results which support your conclusion) (h) Are there any obvious anomalies? (i) Suggest ways to make the results more precise? (j) Suggest ways to make the results more accurate? 8. Is it good to take tablets to neutralise stomach acid that are insoluble? Explain. 9. What are the side effects of insoluble neutralising stomach acid tablets? 10. What gas is made as result of taking insoluble neutralising stomach acid tablets? 11. What side effects of soluble neutralising stomach acid tablets? 12. What are the products of mixing an acid and an alkali together? 13. Which acid neutralising stomach acid tablet would you recommend? Explain. Additional Science topic 3 1. What happens when white light passes through a prism? 2. Why did the Royal Society publish Isaac Newton’s letter after he found out that light separated into different colours? 3. Why did Newton suggest that light was made of particles? 4. Christiaan Huygens established a wave theory of light in 1690. Why do you think that he waited until 1690 before he published his theory? 5. What was the advantage of Christiaan Huygens wave theory over Newton’s particle theory? 6. List the similarities and differences between TRANSVERSE and LONGITUDINAL waves. (Draw diagrams if it helps you to communicate your ideas) 7. Why did Thomas Young carry out many experiments on light? What did he discover? 8. What is the speed of light in a vacuum, in m/s and km/s? 9. James Clerk Maxwell calculated the speed of electromagnetic waves. What did he find out? What important conclusion did he state? 10. Heinrich Hertz supported Maxwell’s conclusion by carrying out experiments. Why is it important for other scientists to agree and arrive at the same conclusions? 11. Max Planck said that electromagnetic radiation arrives in small packets of energy. What are they called? 12. Planck also said that light behaved like waves and particles at the same time. What did this lead to? 13. What did Albert Einstein discover about electromag13. What did Albert Einstein discover about electromagnetic waves traveling through a vacuum? 14. Why are all the Scientists in the time-line men? moreResolved Question: Your opinion on the 'Recession Question'?
You all must have seen the Yahoo Answers Question on Recession and Governments. Can the Governments of various nations ever do anything to stop this??? We have developed countries like US,UK etc doling out loads of taxpayer's money to the order of billions, just to save some major bank or company. DOES THIS REALLY HELP AT ALL ??? A person whose kidneys have completely failed can be made to live for 5 or even 10 years by frequent dialysis. But ultimately the Person WILL die. Unless until healthy kidneys are not transplanted into the body, the person continues to remain on the verge of dying out. This is analogous to the Recession situation. By just performing 'Dialysis' by pumping money into a financial institution, Governments are just keeping alive the economic system. The economy is on the verge of breaking down completely. The only way to save it is by removing and completely revolutionizing the present economic system. Stop this capitalism. If we can't improve, it's i think better to just become Communists. [ Look at China. Still shining!! ] " The developed countries are the one's responsible for ushering in poverty into the world. " Comment. You may agree or object to my views. :) moreResolved Question: What would you give to save the life of a loved one...?
A five-year-old girl is thought to be the first in the UK to receive organ transplants from both her parents. Jasmine Mirza is recovering after being given 30% of her father Sohrab's liver and one of her mother Cathie Locke's kidneys. Jasmine was diagnosed with liver failure at seven months before her kidneys started to fail in 2007. Ms Locke, from Farnborough, Hampshire, said the transplants have given Jasmine "her life back". "For me, I wasn't worried about the operation side of things," she added. "Through all this Jasmine's health has been the main priority. What a beautiful story. I hope the little girl makes a full recovery and starts a new life without dialysis. As for me, i'd do the same if needed for one of mine. http://news.bbc.co.uk/1/hi/england/berkshire/7954980.stmsgtcjl ~ the question is 'what would you give to save the life of a loved one', the words are a paste from the link, not all but most!!..I know how to ask questions and there is no chatting involved apart from now ooops!! moreResolved Question: Why doesn't Bin Laden just hide in his cave and get lost?!?
He's so cowardly broadcasting his videos whilst in hiding. He's urging Muslims to wage Jihad - I don't see him emerging from under his rock to help his 'cause'. http://uk.news.yahoo.com/4/20090316/twl-bin-laden-slams-gaza-holocaust-41f21e0.html He's supposed to be on kidney dialysis anyway, so some medical team must be helping him.Perhaps if he spouted his hatred on YA he'd feel better. He'd be reported of course... moreResolved Question: Does this nurse deserve a medal?
Operations were cancelled and ambulance provision was restricted to 'life-threatening' calls only as the NHS struggled to cope with the Arctic blast This nurse carried on her duties to her patient. She braved fourteen inches of snow, trekked nine miles on foot, in -2c, on two days to save the life of a mum on Kidney Dialysis. http://www.dailymail.co.uk/news/article-1144565/Nurse-walked-miles-snow-days-row-save-kidney-dialysis-patient.htmlEDIT...and she does it again lol... sorry Hey Cisco , didn't see you question earlier, like 30 mins lol i'm soooo slow!!stick...Thank god for that!! How many footballers were playing matches in the snow...erm is that NONE..bunch of prima donnas!! moreResolved Question: Does this nurse deserve to be honoured?
http://www.dailymail.co.uk/news/article-1144565/Nurse-walked-miles-snow-days-row-save-kidney-dialysis-patient.html moreResolved Question: polysystic kidneys??
any1 got polysystic kidneys and how many times do you go to the hospital for dialysis(or to the freemans in newcastle,uk)as my friend has been told she will need dialysis in the next couple of yrs moreResolved Question: Ghanian woman - deported to her death.?
A woman from ghana had come to the uk on an educational visa - which has now expired. In the UK she was receiving kidney dialysis three times a week from the NHS, because she has terminal cancer which has destroyed her kidneys. She has been deported back to ghana (because of the expired visa), the UK government have offered to pay for three months treatement for her in a ghanian hospital. The ghanian hospital is refusing any treatment because she does not have funding for her long term care. What do you think of this? moreResolved Question: ?This is just one case, and the tip of a massive iceberg?
Exactly how the “student” visa swindle works has been revealed with the deportation of a Ghanaian woman who came to the UK five years ago, first as a tourist and who then claimed to be a “student.” Ama Sumani (pictured) stayed on to sponge NHS treatment in Cardiff, despite that treatment being available in her home country. Sumani, 39 years-old, was taken by immigration officers from a Cardiff hospital where she has been receiving dialysis for a year after cancer damaged her kidneys. Although she claimed she would not be able to get the care in Ghana, a spokesman for that country’s high commission in London said the country had two fully-equipped hospitals in Accra and further north in Kumasi. As a member of the Ghana national health insurance scheme she would still receive treatment, the spokesman added. Sumani first came to the UK as a visitor in 2003, but then changed her status to student and attempted to enrol on a banking course at a city college, her solicitor explained. Her lack of English prevented her from pursuing the course and she went to find work which contravened her student visa. In 2005 she returned to Ghana to attend a memorial service for her dead husband. But when she came back to the UK, her student visa was revoked and she was only given temporary admission which effectively meant she was given notice she would be removed, her solicitor said. She did not keep in touch with immigration officials and was first taken ill in January 2006. She is being removed from the country rather than deported because of her expired visa which means she has no legal status in the UK. A removal means that in theory she could apply to return to the UK in the future moreResolved Question: Would you like to sign a petition to the PM to help kidney dialisys patients ?
The British Kidney Foundation has an E-Petition at http://petitions.pm.gov.uk/Dialysis/ Dialysis patients dialyse three days a week for the rest of their life until they die. These patients cannot undertake work that takes them away from their Dialysis unit, have a holiday, attend family celebrations ( weddings, baptisms etc ) or visit friends or relatives. They call on the prime Minister to provide sufficient spare capacity in Dialysis units around the country to enable patients to move between units. This would dramatically improve what is currently a poor and restricted quality of life. After all the Prime Minister puts high value on his holiday - he should not deny patients the same basic human right. moreOther Kidney Dialysis Uk results
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