Both atria fill at the same time and both ventricles fill at the same time.

Systole is the phase when the heart contracts

All arteries carry oxygenated blood.

Atherosclerosis is caused by plaque

The sinoatrial node(SA node) sets the heart rate by sending its impulse to the atrioventricular node for distribution.(AV node)

Arteries have thinner walls than veins.

The innermost layer of a blood vessel is the tunica interna.

In healthy people, caffeine, nicotine, or stress can cause ________.

________ is an inherited condition in which red blood cells and hemoglobin molecules do not form properly.

_________is/are rapid, abnormal contractions that are erractic, whereas _______is/are rapid, abnormal contractions that are coordinated.

Heart attacks that start out slowly with little or no pain are called a(an) ___________.

In cardiopulmonary resuscitation, chest compressions provide artificial ________.

When the ventricles and atria rest as the atria fill with blood, this is called _________.

The group of pacemaker cells near the entrance of the superior vena cava forms the ________

What color will blood exhibit if it has a high oxygen content?

Leukemia is usually due to bone marrow cancer, and it creates a higher number of ______ than normal.

A buildup of plaque in the arteries leads to _______.

Restricted blood flow through the coronary arteries causes a(n) _______.

The ________of the heart is responsible for collecting blood from the body and sending it to the lungs to pick up oxygen.

Blood vessels that carry blood away from the heart are called ________.

________ is a blood condition in which there is a lower than normal number of red blood cells or abnormal or deficient hemoglobin

Which of the following is an inferited clotting disorder?

When a myocardial infarction occurs, a special ______ is released and can be detcted in a patient's blood within 26 hours.

The bicuspid or mitral valve is the valve _______.

What is the most common blood type among Americans?

______ is a condition in which an artery has become abnormally widened because of a localized weakness in the arterial wall.

_________ is a form of connective tissue comprising fluid portion called plasma and a variety of cells and substances.

The blood type considered the universal donor is type ______.

The ventricular walls are ________ than the walls of the atria because they must create the ________ necessary to move blood.

__________can be inserted during a coronary angioplasty to hold arteries open after the surgery is complete.

Traditionally, _________mmHg has been accepted as a normal blood pressure for healthy young adults.

Abnormal heart rhythms are called ___________.

Varicose veins found in the rectal area are called _________.

_______ is the branch of medicine concerned with the study of blood and blood diseases.

Blood is pumped to the body during which part of the cardiac cycle?

What is the name of the structure that separates the lower chambers of the heart?

Which vessel brings blood to the heart from the trunk and pelvic region?

What is another name for the left atrioventricular valve?

Which section of the heart receives blood from the right coronary artery?

Another name for "hardening of the arteries" is __________

In which condition is the quantity of circulating platelets less than normal?

A murmur is diagnosed through __________

The ventricles are contracting during the QRS interval of an EKG

During severe dehydration, blood pressure rises

A defibrillator is a device that is used to overpower ineffective electrical impulses and arrhythmias.