Cardiovascular System Exam questions and
answers Graded A+
What is the function of the cardiovascular system? - ✅✅Transportation
About how much does the heart weigh and what is it's size? - ✅✅Less than a
pound and the size of a fist
Mediastinum - ✅✅Space between the lungs where the heart lies
Apex - ✅✅The pointed end of the heart that rests on the diaphragm (it is
directed toward the left hip)
Base - ✅✅Top part of the heart that is broad
Pericardium - ✅✅Double-walled sac that the heart sits in and contains serous
fluid between the layers to prevent friction
Pericarditis - ✅✅Inflammation of the pericardium that results in the decrease
in the serous fluid
What are the 3 layers of the heart wall? - ✅✅1. Epicardium
2. Myocardium
3. Endocardium
, Endocardium - ✅✅A thin sheet of endothelium that lines the heart chambers,
it is continuous with the linings of the blood vessels (innermost layer of the heart
wall)
How many hollow chambers does the heart has? - ✅✅4
Atria - ✅✅Receiving chambers, blood comes into the heart
Where are the atria located? - ✅✅Superior
Ventricles - ✅✅Bottom chambers that send out blood
Interatrial or intraventricular septum - ✅✅Divides the heart longitudinally
Which side of the heart receives oxygen-poor blood from the veins? - ✅✅The
Right Side
Superior and Inferior Venae Cavae - ✅✅The veins that bring in blood from the
upper and lower parts of the body to the heart
Pulmonary Arteries - ✅✅Carry blood to the lungs where oxygen is picked up
and carbon dioxide is unloaded. (Takes blood to the lungs)
Pulmonary Vein - ✅✅Vein that brings blood back from the lungs to the heart
answers Graded A+
What is the function of the cardiovascular system? - ✅✅Transportation
About how much does the heart weigh and what is it's size? - ✅✅Less than a
pound and the size of a fist
Mediastinum - ✅✅Space between the lungs where the heart lies
Apex - ✅✅The pointed end of the heart that rests on the diaphragm (it is
directed toward the left hip)
Base - ✅✅Top part of the heart that is broad
Pericardium - ✅✅Double-walled sac that the heart sits in and contains serous
fluid between the layers to prevent friction
Pericarditis - ✅✅Inflammation of the pericardium that results in the decrease
in the serous fluid
What are the 3 layers of the heart wall? - ✅✅1. Epicardium
2. Myocardium
3. Endocardium
, Endocardium - ✅✅A thin sheet of endothelium that lines the heart chambers,
it is continuous with the linings of the blood vessels (innermost layer of the heart
wall)
How many hollow chambers does the heart has? - ✅✅4
Atria - ✅✅Receiving chambers, blood comes into the heart
Where are the atria located? - ✅✅Superior
Ventricles - ✅✅Bottom chambers that send out blood
Interatrial or intraventricular septum - ✅✅Divides the heart longitudinally
Which side of the heart receives oxygen-poor blood from the veins? - ✅✅The
Right Side
Superior and Inferior Venae Cavae - ✅✅The veins that bring in blood from the
upper and lower parts of the body to the heart
Pulmonary Arteries - ✅✅Carry blood to the lungs where oxygen is picked up
and carbon dioxide is unloaded. (Takes blood to the lungs)
Pulmonary Vein - ✅✅Vein that brings blood back from the lungs to the heart
