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A&P 3.3

Across
What kind of rotation does the transversospinalis group cause to the spine
Origins of the transversospinalis group are on these vertebral processes inferiorly
Which transversospinalis muscle is the deepest with little slips of muscle spanning 1 or 2 vertebrae
What are the muscle fibers in the ventricle tissue specialized for conducting action potentials to the myocardium
80-100 bpm
The 1% of self-excitable cardiac muscle fibers that generate action potentials
The cardiac cycle starts when this node generates an action potential
Heart contraction
Which node is your natural pacemaker
Inflammation of the pericardium where the visceral and parietal layers rub together causing severe chest pain
> 100 bpm
Down
Cardiac muscle cells spread these to each other at electrical synapses
70-80 bpm
Where is the pain felt in angina pectoris
Hardening arterial wall from a build up of plaques on the blood vessel walls
Congestive heart failure decreases pumping pressure in this ventricle __ for systemic circulation causing the body to retain fluids.
Which transversospinalis muscle has a thick lumbosacral portion where it starts on the posterior sacrum, is intermediate, and the rest of the it is small slips of muscle spanning 3-4 vertebrae at a time
Aka bundles of His, part of the conduction system of the heart that begins at the AV node
Which synapse is an action potential in one cell directly stimulating an action potential in a neighboring cell
Myocardial infarction that causes tissue death
Inflammation of the myocardium
Which transversospijalis muscle is the most superficial, covers 6 or more vertebrae and goes all the way to the occiput
Which synapse is a presynaptic neuron releasing a neurotransmitter to excite or inhibit another cell
< 60 bpm
Coronary artery disease is reduced blood flow to the ___
Insertions of the transversospinalis group are on these vertebral processes superiorly
Heart relaxation
This node is stimulated at the end of the atrial systole during the cardiac cycle