c IB DIPLOMA PROGRAMME PROGRAMME DU DIPLÔME DU BI PROGRAMA DEL DIPLOMA DEL BI SPEC/4/BIOLO/HPM/ENG/TZ0/XX/M MARKSCHEME SPECIMEN PAPER BIOLOGY Higher Level Paper 1 2 pages –2– SPEC/4/BIOLO/HPM/ENG/TZ0/XX/M 1. B 16. C 31. D 46. – 2. C 17. B 32. D 47. – 3. D 18. B 33. A 48. – 4. D 19. B 34. D 49. – 5. D 20. B 35. C 50. – 6. D 21. B 36. D 51. – 7. B 22. B 37. B 52. – 8. B 23. D 38. D 53. – 9. A 24. C 39. A 54. – 10. D
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renal failure · treat with oral phosphate binders Hypocalcemia · usually a reciprocal decrease caused by hyperphosphatemia · QT prolongation · positive Chvostek and Trousseau ’s signs · bronchospasm‚ seizures‚ anxiety‚ tetany‚ encephalopathy‚ unexplained dementia or psychosis‚ parasthesias · often resolves without intervention as the phosphate levels return to normal · do NOT correct unless severe neurological symptoms present as this may predispose the patient to hypercalcemia
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older suffered an injury sever enough to limit their usual activities in 2009-2010. (MAYBE CHANGE IT TO A CONTACT SPORT STAT) In more recent years there has been a discovery associated with multiple concussions known as CTE. Chronic traumatic encephalopathy (CTE) caused by cumulative‚ long term neurological consequences of repetitive concussions and hits to the brain. This causes cognitive and neuropsychiatric impairment which include depression‚ suicide attempts‚ insomnia‚ paranoia‚ and impaired
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eclampsia there is abnormal cerebral blood flow in the setting of extreme hypertension. The regulation of cerebral perfusion is inhibited‚ vessels become dilated with increased permeability‚ and cerebral edema occurs‚ resulting in ischemia and encephalopathy. In extreme hypertension‚ normal compensatory vasoconstriction may become defective. Several autopsy findings support this model and consistently reveal swelling and fibrinoid necrosis of vessel walls. Endothelial dysfunction: Factors associated
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migrates through the body to affect all organs causing its victim to bleed which is a gruesome experience for the infected individuals. It’s a matter of time when Ebola will become airborne disease with the threat of mutation which can make it more transmissible. The article provides an insight on the most astonishing facts about the virus‚ as to how it propagates through bodily fluids. However‚ the process by which Ebola exploits is far more deceitful. Almost all medical professionals and family members
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Tavaski Gordon December 12‚ 2013 HS 251 Unit 9 Paper Biological Weapons Production Biological weapons are deadly materials manufactured from pathogenic organisms (viruses and bacteria) or synthetic deadly substances that are used to deliberately affect the organic procedures of a host i.e. human or animal body. These substances primary function is to kill or injure the host. Biological weapons can be used to harm vulnerable organisms such as humans‚ animals or vegetation (Biological Threats
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Protein Article Research Michael Jones SCI/241 Nutrition January 14‚2015 Emily Wong-Swartz Have you ever put in consideration the importance of protein and its effect on the human body as it relates to proper nutrition and dieting? If you haven’t please note that protein is vital source of energy and a component of the macronutrients chain in human dieting. The very element of protein itself is somewhat complex‚ and I will discuss with you later in details protein and its functions‚ the various
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SHOULDER DYSTOCIA Presented by Dr . E . G. Migwi • -an uncommon obstetric complication of cephalic vaginal deliveries • -the fetal shoulders do not deliver after the head has emerged from the mother’s introitus. • -One or both shoulders become impacted against the bones of the maternal pelvis (mechanical reasons).size or positional discrepancy‚ thus almost always after 34 weeks. Anterior shoulder impacted behind the symphysis pubis and also posterior shoulder impacted behind the sacral promontory
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Huong Trinh Maple syrup urine disease Summary Maple syrup urine disease (MSUD) is an inborn error of metabolism which is caused by the branched-chain amino acid metabolism disorder. This disease happens when the body is unable to process certain protein blocks (amino acids) properly‚ then accumulate abnormally in the cells and fluids of the body‚ usually associated with newborn babies. Notably‚ the urine of patients often has a strong maple syrup odor. MSUD patients have inherited one
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Especially when it comes to collision sports such as football. According to Time.com‚ over 90% of NFL players have been diagnosed with chronic encephalopathy (CTE). CTE is a brain disease caused by repetitive brain trauma such as concussions. Many athletes who have CTE are willing to donate their brain for research when they die. The athletes with CTE probably had to pay to get tests done to find out
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