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Introduction To Health Sciences Vocab
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Introduction To Health Sciences Vocab
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25 Questions

1. Microbes living in and around us - most of which are harmless or beneficial but some of which can cause disease.

2. A small - thin-walled - air sac in the lungs surrounded by a network of blood capillaries where the exchange of oxygen and carbon dioxide takes place between the lungs and the blood.

3. Condition in which no colour at all can be seen.

4. The total volume of gas contained in the lungs after a full inspiration (it is equal to vital capacity plus residual volume). (Abbreviated to TLC)

5. The most common type of glaucoma - caused by a partial blockage of trabeculae - which reduces the rate at which the aqueous fluid can drain away from the eye and thus leads to a build up of intraocular pressure.

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

7. A bean-shaped tissue packed with immune system cells found at intervals along the vessels of the lymphatic system. They filter potentially harmful substances and organisms (microbes) from body fluids that drain into the lymphatic system; the filtered

8. A property of the body in which a number of its important parameters are held near to constant and any deviation from their normal value triggers action that tends to restore normality. It is exemplified by the maintenance of body temperature - or of

9. The production of any colour by varying the relative intensities of the subtractive primaries (cyan - magenta and yellow).

10. Injury causing physical damage to the body.

11. Degenerative disease of the retina that results in loss of vision in the centre of the visual field. It is caused by an impaired blood supply to the macula. This condition is usually associated with ageing.

12. Condition in which the full range of colours cannot be clearly distinguished.

13. A factor that strengthens a tendency to engage in a particular behaviour.

14. The total number of people who have a disease - disorder or disability at a particular point in time - expressed as a rate per 1000 (or per 10 000 - or per 100 000 or per million) population.

15. Fuel derived from plant matter or animal waste - e.g. wood - straw - dried animal dung.

16. Positively charged particles found in the nucleus of atoms. In a neutral atom the number of these balances the number of negatively charged electrons surrounding the nucleus.

17. The share of the total morbidity in a population Which is due to a particular cause; it is usually expressed as a percentage.

18. The cells that resorb (disassemble) bone.

19. A value which can be used to calculate the degree to which X-rays (or other radiation) are reduced in intensity when passing through a material (e.g. human tissue).

20. Stimuli to pain that are associated with social loss such as bereavement - marital breakdown.

21. A subdivision of a rounded mass of tissue. For example - in the breast - this is used to describe an individual branched subsection of the mammary gland.

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

23. Complex structures in the body formed from a number of different tissues - which form a distinct structure and serve a particular function - e.g. the heart - the brain - the lungs. (CS 2 & 4)

24. A class of animals characterised by having the body covered in hair - by having a four-chambered heart - and by feeding their young on milk produced by the female.

25. A cell that is part of a malignant tumour; not subject to the body signals that tell normal cells when to divide or stop dividing - so they multiply in an uncontrolled way.