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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. A volume in which there are no atoms or molecules.






2. An infection of the lower respiratory tract (the bronchi and lungs) - e.g. pneumonia.






3. An uncharged particle in the nucleus of an atom.(






4. A brain region with an essential role in the storage and retrieval of memories.






5. The pressure that one component of a mixture of gases would exert if it were alone in a container.






6. A group of specialised cells that work together to fulfil a specific function in the body - e.g. muscle.






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






8. A narrow beam of light used to show the direction of travel of light from a source.






9. A condition in which the optic nerve becomes damaged - usually because the pressure of fluid within the eye becomes too high - leading to a progressive loss of vision.






10. The tissues that attach muscles to bones.






11. A process at an interface of two media in which the direction of light is deviated within the new medium.






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






13. The amount of air that can be forcefully expired from fully inflated lungs in the first second of expiration - abbreviated to FEV1.






14. Injury causing physical damage to the body.






15. The entire range or extent of some quantity - arranged in order; e.g. electromagnetic or visible light.






16. The pivot point about which a lever rotates.






17. A class of substances arising from outside the body - but Which bear a close similarity to naturally occurring opioids in their structure and effect; they include heroin derived from the opium poppy and morphine.






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






19. Each element has been assigned one of these - often the first letter - or two of the first letters of the name; for example - H stands for hydrogen - C for carbon - N for nitrogen - Ca for calcium and O for oxygen.






20. A molecule that facilitates a reaction but Which is left unchanged at the end; catalysis refers to the action of this.






21. Often abbreviated to 'compound': a substance made up of two or more elements; it may be composed of molecules or ions.






22. The spread of malignant - cancerous cells to other parts of the body by way of the blood or lymph vessels.






23. 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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24. The areas of the medulla region in the brain that integrate sensory information from chemoreceptors monitoring the level of oxygen and carbon dioxide in the blood. They send out appropriate signals to regulate the rate of contraction of the respirato






25. The behaviour of electromagnetic radiation cannot be adequately described in all situations by any one model. In some situations the wave model is appropriate - in others the particle model - which describes the radiation as photons - must be used.






26. The visual condition of short-sightedness in which images of distant objects cannot be focused sharply.






27. Literally meaning 'alien to nature' - the term is commonly used to refer to chemicals in the natural environment that are of human origin.






28. The unit used to measure equivalent dose and effective dose (Sv).






29. The clinical approach to tissue repair that seeks to build new tissues in a similar manner to the way in which they form naturally (rather than the way in which they repair after damage).






30. The study of toxins and their effects on living organisms.






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






32. A chemical reaction involving the addition of oxygen.






33. A study in which neither the participants (e.g. patients) nor the experimenters (e.g. therapists) know into which group the participants have been allocated (e.g. either drug or placebo groups).






34. Bonding Which is due to the electrical attraction of equal and opposite electrical charges and which holds the ions in salt crystals together.






35. A physiological reaction occurring in the body - triggered by the perception of aversive or threatening situations.






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






37. In screening - a person whose screening test result is negative (indicating no disease) - but who actually has the disease.






38. That part of the nervous system which exerts an influence over a number of the internal organs of the body - such as the gut - heart and blood vessels. Functions without conscious intervention.






39. An activity where the eye is constantly focused on objects nearby (e.g. reading).






40. The tissue that forms following healing - Which is not the same in structure as the original tissue.






41. An early and reversible consequence of excessive alcohol consumption during which fat accumulates within the cells of the liver.






42. Insufficient levels of oxygen in the blood or tissue.






43. Immobilisation of a broken bone using something rigid.






44. Negatively charged particle of almost no mass that surround the nucleus of an atom.






45. A global strategy to combat trachoma - involving eyelid surgery - antibiotic treatment - attention to facial cleanliness and environmental changes.






46. A collection of neurons and other cells that is located within the protection of the backbone.






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






48. A graphical method of showing whether two numerical variables are related to one another. They are called 'variables' because they can each have a range of possible values. Each data point represents a particular entity - such as a country - for whic






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






50. The new tissue formed as a wound repairs - containing tiny new blood vessels that give it a grainy appearance.