Chapter 22 The Heart Flashcards
Which side of the heart receives blood from the lungs and pumps blood out to the body?
Left side
Which side of the heart receives blood from the body and pumps blood out to the lungs?
Right side
Pulmonary veins, pulmonary arteries, right atrium and right ventricle make up which circulatory system?
Pulmonary circulation
The left atrium, left ventricle, aorta to systemic arteries and systemic veins make up which circulatory system?
Systemic circulation
What tissue surrounds the heart?
Pericardium (pericardial sac)
Functions of the pericardium?
Protective and decreases friction
Inflammation of the pericardium is called….
Pericarditis
What are the three layers of the pericardium, beginning with the layer closest to the heart
Visceral layer of serous pericardium (epicardium)
Pericardial cavity
Parietal layer of serous pericardium
The top of the heart is referred to as the ….
Base
The bottom of the heart with a slight projection is called the ….
Apex
How many chambers are in the heart and what are their names?
4
Left/right ventricle
Left/right atrium
Which chamber has thick muscle and pumps blood through the systemic circulation?
Left ventricle
What separates the left and right ventricle?
Interventricular septum
What ventricle pushes blood to the lungs?
Right ventricle
Quick definition of veins and arteries.
Veins move blood towards the heart.
Arteries move blood away from the heart.
The _____ is the site of the beginning of systemic circulation
Aorta
The superior vena cava carries blood from where? (Direction and source)
Down from the head, arms, etc.
The inferior vena cava carries blood from where into where?
From the lower body into the right atrium
Where do the pulmonary arteries go to?
The lungs
What happens to allow the heart to make a sound?
The closing of valves
The S1, or lubb sound is specifically caused by what?
The closing of the AV valve
The S2, or dupp sound is specifically caused by what?
The closing of the semilunar valves
Where do arteries arise from?
The aorta
Where do veins dump blood?
Right atrium