The flashcards below were created by user
faulkner116
on FreezingBlue Flashcards.
-
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 (O2-)
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
|
|