What are the two branches of the autonomic nervous system?
Parasympathetic and Sympathetic
The name of the two myofilaments that create movement
Actin and Myosin
Which structure is represented by the letter M
Left Atrium
When blood volume increases blood pressure _____________
Increases
True or False: Arteries contain epithelial, connective, and smooth muscle tissue
True
Motor neurons in the autonomic nervous system pass on signals to which structures?
Effectors: Glands, smooth, and cardiac muscle tissue
True or False: Acetylcholine binding to receptors occur after the release of calcium
False
Which one below is not a valve found in the heart:
A. Aortic Semilunar Valve
B. Mitral Valve
C. Precapillary Sphincter Valve
D. Tricuspid Valve
C. Precapillary Sphincter Valve
Blood pressure is the lowest in which blood vessel?
Veins
Muscle cramps occur due to what two things?
1. Dehydration/Lack of electrolytes
2. Lack of ATP
Which branch of the autonomic nervous system uses two neurons with a ganglion in-between to deliver a signal
Both branches:
Sympathetic and parasympathetic
Name the main muscle fiber type that is active during a javelin throwing event
Type IIx fast glycolytic
Right before blood gets to letter H, where does it come from?
Veins or the body
The formation of new blood vessels
Angiogenesis
The binding of the myofilaments forms ___________
Where is the location of sympathetic neurons
Thoracic and Lumbar spine
The name of the protein that stabilizes actin
Nebulin
The "lub Dup" sounds heard while taking blood pressure are also called ________________?
Korotkoff Sounds
Where is the location of precapillary sphincters?
Between metarterioles and capillaries
What is dual antagonistic control?
The idea that an organ receives both sympathetic and parasympathetic nerves
Most postganglionic parasympathetic neurons secrete which neurotransmitter?
Acetylcholine
What is the name of the enzyme utilized in the phosphocreatine system for quick ATP production
Creatine Kinase
name the three structures that set the rhythm of the heart and the bpm that they set the heart to
SA node- 70 bpm
AV node- 50 bpm
Purkinje Fibers- 25-40 bpm
The formation of new blood vessels is regulated by which biological substance?
Cytokines
What is the P-R Segment
Represents AV nodal delay