11
votes
Why can we extend the middle finger when there is only one muscle for all fingers?
Muscles aren't singular entities, they're made up of multiple muscle fibers. In the case of the extensor digitorum, the muscle fibers are attached to one of various tendons that manipulate the fingers,...
1
vote
Why do we use mEq/L instead of mmol/L to quantify physiological electrolytes?
Good question! When calculating electrolyte activity, mEq is more accurate, because electrolyte activity depends on the amount of charge present.
But we still use mmol/L, because mEq = mmol when the ...
Only top scored, non community-wiki answers of a minimum length are eligible
Related Tags
nerves × 37neurology × 8
muscle × 5
anatomy × 4
pain × 3
health-education × 3
dentistry × 2
brain × 2
heart × 2
physiology × 2
stress × 2
spine × 2
tumors × 2
neuroscience × 2
nervous-system × 2
neuropathy × 2
age × 2
medications × 1
eye × 1
terminology × 1
tendinopathy × 1
breathing × 1
blood-circulation × 1
depression × 1
orthopedics × 1