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The flashcards below were created by user
faulkner116
on FreezingBlue Flashcards.
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When an atome has more protons than electrons
cation
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define ion
ions result when an atom gains or loses electrons.
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define electrolytes
when ions are dissolved in the tissues and fluids of the body.
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what are the four electrolytes that are usually measured in the clinic
Na+ (sodium)
K+ (potassium)
Cl- (Chloride)
HCO-3 (bicarbonate)
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define transitional metals
elements in the center of the periodic tabel, are not governed by simply filling shells.
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When an atom has more protons than electrons it is called
cation
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When an atom has more electrons than protons, it is called
anion
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When atoms combine we always put the ________ first.
cation and the anion second.
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how do you measure a wave
crest to crest; trough to trough
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gamma radiation are both
waves and particles. These waves have both electrical and magnetic properties, so they are called electromagnetic waves.
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The ________ of the wave is the intensity of the signal.
height
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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)
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What are free radicals
free radicals have an unpaired electron.
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These are extremely damaging to biological systems and are likely part of the cause of diseases such as cancer.
Free radicals
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What are the most extensively studied free radicals
superoxide (O2-)
Hydroxyl OH*
peroxinitrite ONOO-
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what are considered free radical scavengers
- lycopenes
- omega-3
- fatty acids
- vitamins C, E
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what is a free radical scavenger
helps reduce the amount of free radicals in cells and helps from preventing disease
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