Metias Exam 1

In CS, the rudimentary valve formed by a flap of tissue is?

The Fossa Ovalis represents?

Where is the heart located?

Where does the RCA course between?

The right coronary arteries divide into two branches...

Systolic flow is impaired by the compression of the small?

What becomes the great cardiac vein?

The great cardiac vein anastomoses with a smaller vein is called?

What is located at the ends of each cusp?

The third venous system is the

PDA, Posterior Descending Artery has a?

What are the RV walls lined with?

What can be influenced by CAD, heart rate and diastolic pressures in the aortic root and LV?

What does the Arantius nodule do?

Vagus Nerve Vagal efferent

When the AV nodal artery arises off the RCA?

During diastole, blood flows backwards briefly filling the?

How many branches are off the left main coronary artery?

The openings of the coronary arteries are located?

The RCA usually supplies blood to the

The marginal branch does not branch off the RCA.

During systole the aortic cusps cover the opening of the?

The current of the outward flow of K+ ions is termed Ito?

Enhances cardiac concentration by increasing CA++ influxes in the myocyte

Infarct means

Rapid depolarization K+ still leaving cell

What arises from the region of the coronary cusp?

What phase causes rapid upstrokes?

A thick muscle that separates the inflow tract from outflow tract.

What happens when the demand exceeds the supply for the heart?

The coronary arteries encircle the

What does the Moderator Band do?

Oxygen requirements of the myocardium are continuously matched by?

What is the IAS, Interatrial Septum?

Stimulation that reduces heart rate

Cardiac Vessel order

The myocardium is perfused with the?

Where does the PDA originate from?

Where is the Thebesian veins located?

The Na+ maintain an electrical current termed Ina?

What does the supply of oxygen depend on?

Thebesian veins to the heart chambers is a potential route.

Travel within cardiac accelerator nerve and terminate in the heart and great vessels

What causes Ca++ into cell K+ leaving still balancing =plateau?

What are the layers of the heart?

What are the arteries emanating from the pericardium?

The largest of the three sets of veins and drain most of the RV are?

What is the threshold potential for cardiac cells?

What phase causes resting potential inward rectifier K+ Channels and stimulated Na+ influx?

If the conus artery does not have its own ostium (openings), then it is the 1st branch off the?

The supply of blood must meet the demand made by the heart.

The central portion of the IAS has a slight depression known as the?

During when is the myocardium perfused?

Blood supply to the heart muscle itself, which branch off the aortic root is?

The left coronary artery divides into the

During systole what valves are open?

The conus artery is an important branch because it may serve as collateral.

In the IVC, the rudimentary valve formed by tissue fold is?

The left anterior descending artery usually feeds the?

Behind each cusp is a dilated pouch-like area called?

What lies in the atrioventricular groove between the LVPW and the LA?

What causes the partial depolorization K+ leaving?

The left side of the heart is...?

Papillary muscles do what?

What are the smallest coronary veins?

What are the two main coronary arteries?

When the PDA arises from the LCA?

The coronary arteries feed the heart with

The great veins of the heart are drained into the

The right side of the heart is...?

What percentage of blood does the SA node receives blood supply from the RCA?