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Introduction To Health Sciences Vocab

Subject : health-sciences
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The effects of ionising radiation are said to be this if there is a threshold below which there is no effect - and if above that threshold - the severity depends on the amount of radiation received.






2. A measure of the dose of ionising radiation to an organ that takes into account the type of radiation used. Some types of radiation are more damaging than others (because they tend to lead to double-strand breaks in the DNA rather than the more easil






3. A slimy - viscous substance secreted as a protective lubricant by the cells in the lining of the nose - throat and airways. Traps microbes and particles and is swept out of the respiratory system into the throat - to be coughed out or swallowed. Also






4. A chemical reaction involving the addition of oxygen.






5. Disease or disorder that often has a gradual onset - involves slowly changing symptoms and lasts for a long time.






6. A) Contains protons - each of which carry a single positive electric charge - and neutrons which are uncharged. b) An organelle containing the genetic material - found in most animal and plant cells.






7. Tiny particles of calcium that appear as small specks on a mammogram. When clustered in one area of the breast - they may indicate the presence of cancer cells.






8. A method of purifying water - e.g. filtering - that involves individual people treating water as they use it - rather than having purified water delivered to them from a remote water-treatment plant in pipes.

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9. An eye care professional qualified to perform eye tests and record the findings in a lens prescription.






10. Certain kinds of activity with which the brain is engaged - i.e. the processing of information that is summarised by the term 'mind'. It is exemplified by thinking - memory - reasoning and interpreting.






11. Visual defects caused by imperfections in the cornea and/or lens of the eye.






12. A group of primates - to which modern humans belong - characterised by upright posture and a very large brain in relation to body size.






13. The cells that produce new bone.






14. The cells associated with peripheral neurons that wrap themselves around the axons.






15. A type of cell that is found within the nervous system and Which is specialised to transmit and process information (colloquially referred to as 'nerve cell').






16. A visual impairment that interferes with day-to-day functions that an affected person considers to be normal.






17. An electrical difference across the membrane of cells that arises from an unequal concentration of ions on either side. It is also termed 'voltage'.






18. The proportion of young - middle-aged and older people in a population. In developing countries - tends to be 'younger' than that of developed countries.






19. A medically qualified person who has chosen to specialise in clinical radiology - the use of imaging to diagnose - treat and monitor various disease processes.






20. The visual condition of long-sightedness in which images of nearby objects cannot be focused sharply.






21. The number of cases of a disease - disorder or disability in a population - relative to the total number of people at risk of developing it; usually expressed as the number of cases per 1000 (or per 10 000 - or per 100 000 or per million) population.






22. The opening at the centre of the iris that allows light to enter into the eye.






23. The type of bone (sometimes called compact) that is more dense (compared with cancellous bone) and very strong. It is found in the parts of the bone that need to withstand the largest forces.






24. Any factor Which is statistically associated with a particular outcome (e.g. the incidence of a disease) - but Which is not involved in its causation. The association can disguise the true cause (or causes) of the outcome.






25. The total process in an organism by which oxygen is conveyed to tissues and cells - oxidation of nutrient molecules releases useable energy - and the oxidation products (carbon dioxide and water) are given off.






26. Persistent inflammation over long periods of time that occurs when the tissues are unable to overcome the effects of an injurious agent.






27. A covalent bond formed by the sharing of four electrons - two from each atom at either end of the bond.






28. The process of detecting stimuli that cause actual or potential damage to the tissues of the body.






29. Diseases in which the pathogen causing the disease lives part of its life cycle in water; e.g. cholera - cryptosporidiosis.






30. Pain that arises from damage to neurons either within the central nervous system or in the periphery of the body.






31. The type of blood cell that transports oxygen; also known as a red blood cell.






32. The skin layer that lies beneath the epidermis and provides the strength and elasticity of the skin.






33. The separation of waste products from the blood.






34. A protective reaction of body tissues to irritation - injury - or infection - characterised by pain - heat - redness and swelling.






35. The removal of one or more electrons from an atom or molecule.






36. A cancer that has the ability to spread or metastasise into healthy tissue. (Also called 'invasive' cancer)






37. A subunit of the scientific unit of volume - the litre. One litre can be divided into 1000 of these.






38. A chemical that reduces microbial contamination of water - surfaces - etc.






39. The ability of the brain to take information and perform informed calculations (e.g. calculating the width of a space in which to park a car).






40. A graft where the donor tissue comes from another person (as opposed to an autograft where it comes from the same person).






41. Brain region involved in processing memories and emotional reactions.






42. A fracture that occurs because the bone has been weakened through osteoporosis.






43. Vital to many chemical reactions in the body. Crystals containing these form an important part of the structure of bones.






44. The body system consisting of the heart - blood vessels and blood. It circulates blood throughout the body and is also known as the circulatory system.






45. A beneficial effect deriving from a procedure with no intrinsic benefit. It relies upon the context in which the intervention is made; e.g. a sugar pill might serve as a placebo if the patient believes that it will bring some benefits. (






46. The study of the relationship between the structure and the function of body systems.






47. The process of inspiring or inhaling; the drawing in of air into the lungs.






48. Pain that lasts for months or years and which typically persists beyond the time of tissue healing.






49. An outbreak of an infectious disease in a community - region or country - characterised by a sharp increase in the number of cases - followed after an interval by a decline to a normal level






50. A condition that may develop following exposure to an extremely stressful situation - typically where a person witnesses the violent death of someone else - or believes their own life is in danger. Symptoms include disordered sleeping - a dread of si






Can you answer 50 questions in 15 minutes?



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