Cardiovascular System Flashcard

Front

What is the difference between an embolus and a thrombus?

Back

An embolus is a free-floating clot, while a thrombus is a clot that is attached to a blood vessel wall.

Front

What are the functions of the cardiovascular system?

Back

The cardiovascular system regulates body temperature and fluid volume, prevents infection, and transports hormones and wastes.

Front

What antigens are present on erythrocytes of an individual with B+ blood?

Back

B antigens and Rh antigens are present on the erythrocytes of an individual with B+ blood.

Front

Which chambers of the heart are involved in the ejection phase of the cardiac cycle?

Back

The right ventricle and left ventricle are involved in the ejection phase of the cardiac cycle.

Front

What are the formed elements of blood?

Back

The formed elements of blood include erythrocytes, thrombocytes, and leukocytes. Plasma is not a formed element.

Front

What is the primary function of erythrocytes?

Back

The primary function of erythrocytes (red blood cells) is to transport oxygen from the lungs to the body's tissues and return carbon dioxide from the tissues to the lungs.

Front

What role do leukocytes play in the body?

Back

Leukocytes (white blood cells) are involved in the immune response and help protect the body against infections.

Front

What is the significance of the Rh factor in blood typing?

Back

The Rh factor determines whether blood is positive or negative, which is crucial for blood transfusions and pregnancy.

Front

What is the cardiac cycle?

Back

The cardiac cycle is the sequence of events that occur in the heart during one heartbeat, including contraction (systole) and relaxation (diastole).

Front

What is the function of thrombocytes?

Back

Thrombocytes (platelets) are involved in blood clotting and help prevent bleeding.