Module 2

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Author:
faulkner116
ID:
172835
Filename:
Module 2
Updated:
2012-09-23 17:44:21
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Objectives 14 15
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  1. When an atome has more protons than electrons
    cation
  2. define ion
    ions result when an atom gains or loses electrons.
  3. define electrolytes
    when ions are dissolved in the tissues and fluids of the body.
  4. what are the four electrolytes that are usually measured in the clinic
    Na+ (sodium)

    K+ (potassium)

    Cl- (Chloride)

    HCO-3 (bicarbonate)
  5. define transitional metals
    elements in the center of the periodic tabel, are not governed by simply filling shells.
  6. When an atom has more protons than electrons it is called
    cation
  7. When an atom has more electrons than protons, it is called
    anion
  8. When atoms combine we always put the ________ first.
    cation and the anion second.
  9. how do you measure a wave
    crest to crest; trough to trough
  10. gamma radiation are both
    waves and particles.  These waves have both electrical and magnetic properties, so they are called electromagnetic waves.
  11. The ________ of the wave is the intensity of the signal.
    height
  12. Gamma rays
    Xray
    UV light
    VISIBLE LIGHT
    infrared
    Radio waves
    Are part of what scale?  What is the shortest waves to the longest?
    Electromagnetic spectrum; shortest gamma rays (stronger), radio waves (least intense)
  13. What are free radicals
    free radicals have an unpaired electron.
  14. These are extremely damaging to biological systems and are likely part of the cause of diseases such as cancer.
    Free radicals
  15. What are the most extensively studied free radicals
    superoxide (O2-)

    Hydroxyl  OH*

    peroxinitrite ONOO-
  16. what are considered free radical scavengers
    • lycopenes
    • omega-3
    • fatty acids
    • vitamins C, E
  17. what is a free radical scavenger
    helps reduce the amount of free radicals in cells and helps from preventing disease

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