Where does blood flow start in the heart?

• Aorta

• Superior & Inferior Vena Cava

• Pulmonary Veins

• Pulmonary Artery

A patient is having Coronary Artery Bypass Graft (CABG) at 0800. During the procedure the patient looses quite a bit of blood. The doctor orders 1 unit of RBC's. You as the nurse note that the patient has AB blood type. What type of blood can the patient receive?

• O

• AB

• A

• B

If you are a blood cell in the location shown by the arrow in the figure, where would you flow next?

• superior vena cava

• left atrium

• right atrium

• right ventricle

The first section of the Electrical Pathway in the heart is the __________ node.

Blood must pass through this structure when leaving the left atrium heading into the left ventricle.

• Mitral Valve

• Pulmonary Valve

• Tricuspid Valve

• Aortic Valve

A patient presents to the ER complaining of left shoulder and jaw pain. Their BP is 170/120. Their short of breath and clammy and stating "I feel like an elephant is on my chest". What could this patient be experiencing?

• Atherosclerosis

• Hypertensive Crisis

• Myocardial Infarction

• Angina

I am the smallest of the blood cells and aid in clotting. I am called _________.

What is the main function of the pulmonary veins in the circulatory system?

• Carry oxygenated blood from the lungs to the heart

• Carry deoxygenated blood from the heart to the lungs

• Carry oxygenated blood from the heart to the body

• Carry deoxygenated blood from the body to the heart

Which valve prevents the backflow of blood from the right ventricle to the right atrium?

• Aortic Valve

• Tricuspid Valve

• Pulmonary Valve

• Mitral Valve

During which phase of the cardiac cycle does the heart muscle contract and pump blood out of the chambers?

• Systole

• Isovolumetric contraction

• Diastole

• Isovolumetric relaxation