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When an atome has more protons than electrons
cation
define ion
ions result when an atom gains or loses electrons.
define electrolytes
when ions are dissolved in the tissues and fluids of the body.
what are the four electrolytes that are usually measured in the clinic
Na
+
(sodium)
K
+
(potassium)
Cl
-
(Chloride)
HCO
-
3
(bicarbonate)
define transitional metals
elements in the center of the periodic tabel, are not governed by simply filling shells.
When an atom has more protons than electrons it is called
cation
When an atom has more electrons than protons, it is called
anion
When atoms combine we always put the ________ first.
cation and the anion second.
how do you measure a wave
crest to crest; trough to trough
gamma radiation are both
waves and particles. These waves have both electrical and magnetic properties, so they are called electromagnetic waves.
The ________ of the wave is the intensity of the signal.
height
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)
What are free radicals
free radicals have an unpaired electron.
These are extremely damaging to biological systems and are likely part of the cause of diseases such as cancer.
Free radicals
What are the most extensively studied free radicals
superoxide (O
2
-
)
Hydroxyl OH*
peroxinitrite ONOO
-
what are considered free radical scavengers
lycopenes
omega-3
fatty acids
vitamins C, E
what is a free radical scavenger
helps reduce the amount of free radicals in cells and helps from preventing disease
Author
faulkner116
ID
172835
Card Set
Module 2
Description
terms
Updated
9/23/2012, 9:44:21 PM
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