EK 1001 Systems Musculoskeletal System Flashcards
1
Q
nicotinic acetylcholine receptors agonist
A
found in the CNS, agonists- could increase firing of neurons
2
Q
muscarinic receptor antagonist
A
block the effects of ACh
3
Q
red skeletal muscle fibers
A
type 1- slow and strong. myoglobin, endurance
4
Q
white skeletal muscle fibers
A
type 2- fast and weak. anaerobic. mostly skeletal
5
Q
sarcolemma
A
skeletal myocyte- equivalent of plasma membrane, T-tubules are the infolded regions that allow action potentials to uniformly spread to all regions of the muscle cell
6
Q
concentric contraction
A
muscle shortens
7
Q
eccentric contraction
A
muscle lengthens
8
Q
isometric contraction
A
no change in length
