Muscles1
smallest diameter of the three muscle fiber types
Slow Oxidative
Which characteristic of skeletal muscle is the ability to return to its original length after lengthening?
Elasticity
Which phase of muscle twitch occurs when muscle tension is decreasing?
Relaxation Period
Another word for Motor Nervous system
Efferent Nervous system
What type of nerves extend from the brain?
Cranial nerves
What functional group is the brachialis during flexion of the arm?
Prime mover
What are the two types of phosphate transfer enzymes?
Creatine kinase and myosin kinase
What is the increase in size of the muscle fibers?
Hypertrophy
Channels that continuously open
Leaky channels
How many axons can a Schwann's cell myelinate?
One
Which layer of wrapping is made of Areolar connective tissue?
Endomysium
Which type of contraction moves the forearm closer to the shoulder?
Concentric (isotonic)
During depolarization, what Action potential does it reach?
+30mV
What are the two divisions of the Motor nervous system
Autonomic and Somatic Motor
Which region of the neuron is the conductive segment located?
Axon and its branches
During smooth muscle contraction, what happens after the formation of the Ca2+-calmodulin complex?
Activation of the MLCK enzyme
Are hernias axial or appendicular?
Axial
Facial Muscle that pulls upper lip superiorly
Levator labii superioris
True or False. Neurons can divide throughout their lifetime.
False
Where on the neuron is the decision for the action potential to decide whether it is going through?
Axon hilock
Which facial muscle tenses the skin of the neck and pulls lower lip inferior?
Platysma
What is another word for a bundle of muscle fibers?
Fascicle
When aging, what happens when muscle is replaced by DICT
Fibrosis
Which type of CNS glial cells produces Cerebrospinal Fluid and lines cavities?
Ependymal Cells
Which disorder is due to the loss of myelin in the PNS