Heart
The two valves in the Heart.
Which is on which side.
What is...
1. Tricuspid= Right
2. Bicuspid= Left
Cardiac Cells are referred to as?
What is...
Cardiocytes
What are the two types of Autonomic Nervous System?
What is...
Sympathetic System
Parasympathetic System
Lubb happens when?
What is...
When Ventricular pressure is higher than atrial pressure, the AV valves close.
Define Hydrostatic Pressure.
What is...
Pressure that remains the same, no movement.
What are the Heart Strings called?
What is...
Chordae Tendineae
Which of the following describe Desmosomes?
a. Rubber bands / when done contracting they spring back together.
b. Extends through both cell membranes.
c. Help stimulate cell to contract at the same time.
What is...
B. Extends through both cell membranes.
Sympathetic system relies on what?
Also what does it stimulate?
What is...
Phrenic Nerve
Stimulates SA node
Dubb happens when?
What is...
Ventricular pressure drops below arterial pressure, Semilunar valve closes.
What are the Three Layers of the Veins and Arteries?
What is...
Tunica Intima
Tunica Media
Tunica Externa
What are the 3 layers of the heart?
What is...
1. Epicardium
2. Myocardium
3. Endocardium
Which of the following describe Fascia adherens?
a. Rubber bands / when done contracting they spring back together.
b. Extends through both cell membranes.
c. Help stimulate cell to contract at the same time.
What is...
a. Rubber bands / when done contracting they spring back together.
Parasympathetic System relies on what?
What is...
CNX (Vagus Nerve)
P wave shows what?
What is...
Represents Atrial Depolarization
Define Hydraulic Pressure.
What is...
Fluid Flows, drop in pressure over distance.
What are the Purkinje Fibers?
Where are they located?
What is...
Specialized cardiac cells that conduct instead of contract.
Location is in the Heart
What is the Interventricualr Septum?
What is...
Thin wall of muscle that separates the right/left Ventricles.
What takes over if the SA node fails?
What is...
AV node takes over for the SA node
T Wave shows what?
What is...
Ventricular Repolarization
What are the three Arteries that branch off the Aorta?
What is...
Brachiocephalic artery
Left common carotid artery
Left subclavian artery
Ventricular Filling do what of the following?
a. AV Valves Open (Leaking Na+)
b. SA valve Open (Leaking Na+)
c. Diastasis
d. Ventricle Systole
e. Atrial Systole
What is...
A.
C.
E.
What are the three Intercalated Discs?
What is...
Fascia adherens
Desmosomes
Gap Junctions
Define
Atrial Pressure
Ventricular Pressure
Arterial Pressure
What is...
Atrial Pressure= Pressure in the Atria
Ventricular Pressure= Pressure in the Ventricles
Arterial Pressure= Pressure on the Aorta and Pulmonary Trunk
QRS Complex shows what?
What is...
Represents ventricular depolarization
What are the three layers of Veins and Arteries Composed of?
Tunica Intima
Tunica Media
Tunica Externa
What is...
Tunica Intima= Endothelial / Elastic Membrane
(Simple Epithelial cells)
Tunica Media= Elastic Connective tissue
Tunica Externa= Loose Connective Tissue