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Drug detection & analysis questions 24 JIB Docs (2) Teamary 2018

1. The structures of morphine, heroin, aspirin and ibuprofen are given in Section 37 of the databooklet. Explain how infrared spectroscopy can be used to distinguish between:(a) morphine and heroin. more

Drug detection & analysis answers 24 JIB Docs (2) Teamary 2018

1. (a) Morphine will show a strong broad absorption between 3200 and 3600 cm-1 due to the two –OH groups which will be absent in heroin. Heroin will show two sharp absorptions in the 1700-1750 cm-1... more

Taxol questions 22 JIB Docs (2) Teamary 2018

1. A molecule of Taxol contains eleven chiral carbon centres. Ten of the chiral centres are shown. Identify the remaining chiral centre by placing an asterisk (*) in the correct position on the structure... more

Environmental impact of some medications questions19 JIB Docs (2) Teamary 2018

1. Discuss how the following have contributed to some bacteria, which cause disease in humans, becoming highly resistant to antibiotics.(a) Non-completion of a prescribed course of antibiotics.(b) The... more

Environmental impact of some medications answers19 JIB Docs (2) Teamary 2018

1. (a) If the course is not completed some of the bacteria may survive and mutate to eventually become resistant to antibiotics by producing the enzyme penicillinase or other enzymes that catalyse the... more

MC test: Opiates15 JIB Docs (2) Teamary 2018

Use the following 'quiz' to test your knowledge and understanding of this sub-topic. As this relates to a sub-topic on the options you may need access to the IB data booklet.If you get an answer wrong,... more

Antiviral medications questions10 JIB Docs (2) Teamary 2018

1. Discuss the essential differences between a bacterium and a virus.2. State two reasons why it is difficult to treat viral diseases effectively with antiviral drugs.3. Drugs like acyclovir and ganciclovir... more

Antiviral medications answers 10 JIB Docs (2) Teamary 2018

1. Although there are many different types of virus they are much smaller than bacteria. Unlike bacteria they have no nucleus or cytoplasm and are not cellular. They have a central core of DNA (or RNA)... more

MC test: Pharmaceutical products & drug action1 JIB Docs (2) Teamary 2018

Use the following 'quiz' to test your knowledge and understanding of this sub-topic. As this relates to a sub-topic on the options you may need access to the IB data booklet.If you get an answer wrong,... more

pH regulation of the stomach questions 26 December 2017

1. Give the equations for the reactions of aluminium hydroxide, magnesium hydroxide and sodium hydrogencarbonate with hydrochloric acid.2. Two well known antacids go by the name of ‘Rennies’ and ‘Milk... more