nurs 1010 week 6 Questions and Answers 100% Correct
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Terms in this set (231)
Think of the circulatory system like a superhighway, and the heart
What is the circulatory system
is the central hub (center) or engine (machine that powers) that
like, and what is the heart?
keeps traffic (blood) moving.
Arteries are like high-speed express lanes (fast roads)—they
What are arteries like, and what
carry oxygen-rich blood away from the heart to the rest of the
do they do?
body.
Capillaries are like local streets (small roads)—they let blood
What are capillaries like, and
slow down to drop off oxygen and nutrients (food for cells) to
what do they do?
the cells and pick up waste (trash) like carbon dioxide.
Veins are the return lanes (roads back)—they carry the oxygen-
What are veins like, and what do
poor blood back to the heart, like cars returning to the central
they do?
hub (center).
Then the heart sends the blood to the lungs to pick up fresh
What does the heart do after the
oxygen (like a fuel station — gas station), and the whole loop
blood returns?
starts again!
Precordium: area on anterior (front) chest overlying (covering)
What is the precordium?
heart and great vessels.
How many chambers does the Heart has four chambers: atria and ventricles.
heart have?
What are the great vessels? Great vessels: major arteries and veins connected to the heart.
How are blood vessels arranged Blood vessels arranged in two continuous loops: pulmonary
in the body? circulation and systemic circulation.
, Deoxygenated blood (low O2, high CO2) from the body enters
through:
Superior Vena Cava (upper body)
Inferior Vena Cava (lower body)
Right Atrium → Tricuspid Valve → Right Ventricle
Right Ventricle → Pulmonary Valve → Pulmonary Artery
Lungs → CO2 out, O2 in
Oxygenated blood returns through Pulmonary Veins to Left
Atrium
Left Atrium → Mitral (Bicuspid) Valve → Left Ventricle
Left Ventricle → Aortic Valve → Aorta
Oxygen-rich blood sent to the body ġ
mnemonic- Some Real Teachers Read Pages Loudly, Preparing
Blood Flow Through the Heart
Lovely Lessons Made Like Amazing Art
Cycle:
Some - Superior/Inferior Vena Cava
Real - Right Atrium
Teachers - Tricuspid Valve
Read - Right Ventricle
Pages - Pulmonic Valve
Loudly - Pulmonary Artery
Preparing - Lungs
Lovely - Pulmonary Veins
Lessons - Left Atrium
Made - Mitral Valve
Like - Left Ventricle
Amazing - Aortic Valve
Art - Aorta
The area on the chest wall directly over the heart and great
vessels.
What is the precordium? Located on the left side of the anterior chest, typically over the
Where is it located? 4th to 6th intercostal spaces.
This is where you place your stethoscope to listen to heart
sounds.
Where is the apex of the heart Located near the 5th intercostal space, midclavicular line on the
located? left side.
Which heart sound is heard S1 ("lub") is heard loudest here.
loudest at the apex? This is where the apical pulse is palpated or auscultated.
Where is the base of the heart Found near the 2nd intercostal spaces, just to the left and right of
located? the sternum.
Which heart sound is heard S2 ("dub") is heard loudest at the base.
loudest at the base? The base includes the aortic and pulmonic valve areas.
What is the pericardium? A tough, fibrous, double-walled sac that surrounds and protects
What is its function? the heart.
What is the myocardium? The muscular wall of the heart.
What is its function? It is responsible for the contraction and pumping of the heart.
What is the endocardium? A thin layer of endothelial tissue that lines the inner surface of the
Where is it located? heart chambers and valves.
Save
Terms in this set (231)
Think of the circulatory system like a superhighway, and the heart
What is the circulatory system
is the central hub (center) or engine (machine that powers) that
like, and what is the heart?
keeps traffic (blood) moving.
Arteries are like high-speed express lanes (fast roads)—they
What are arteries like, and what
carry oxygen-rich blood away from the heart to the rest of the
do they do?
body.
Capillaries are like local streets (small roads)—they let blood
What are capillaries like, and
slow down to drop off oxygen and nutrients (food for cells) to
what do they do?
the cells and pick up waste (trash) like carbon dioxide.
Veins are the return lanes (roads back)—they carry the oxygen-
What are veins like, and what do
poor blood back to the heart, like cars returning to the central
they do?
hub (center).
Then the heart sends the blood to the lungs to pick up fresh
What does the heart do after the
oxygen (like a fuel station — gas station), and the whole loop
blood returns?
starts again!
Precordium: area on anterior (front) chest overlying (covering)
What is the precordium?
heart and great vessels.
How many chambers does the Heart has four chambers: atria and ventricles.
heart have?
What are the great vessels? Great vessels: major arteries and veins connected to the heart.
How are blood vessels arranged Blood vessels arranged in two continuous loops: pulmonary
in the body? circulation and systemic circulation.
, Deoxygenated blood (low O2, high CO2) from the body enters
through:
Superior Vena Cava (upper body)
Inferior Vena Cava (lower body)
Right Atrium → Tricuspid Valve → Right Ventricle
Right Ventricle → Pulmonary Valve → Pulmonary Artery
Lungs → CO2 out, O2 in
Oxygenated blood returns through Pulmonary Veins to Left
Atrium
Left Atrium → Mitral (Bicuspid) Valve → Left Ventricle
Left Ventricle → Aortic Valve → Aorta
Oxygen-rich blood sent to the body ġ
mnemonic- Some Real Teachers Read Pages Loudly, Preparing
Blood Flow Through the Heart
Lovely Lessons Made Like Amazing Art
Cycle:
Some - Superior/Inferior Vena Cava
Real - Right Atrium
Teachers - Tricuspid Valve
Read - Right Ventricle
Pages - Pulmonic Valve
Loudly - Pulmonary Artery
Preparing - Lungs
Lovely - Pulmonary Veins
Lessons - Left Atrium
Made - Mitral Valve
Like - Left Ventricle
Amazing - Aortic Valve
Art - Aorta
The area on the chest wall directly over the heart and great
vessels.
What is the precordium? Located on the left side of the anterior chest, typically over the
Where is it located? 4th to 6th intercostal spaces.
This is where you place your stethoscope to listen to heart
sounds.
Where is the apex of the heart Located near the 5th intercostal space, midclavicular line on the
located? left side.
Which heart sound is heard S1 ("lub") is heard loudest here.
loudest at the apex? This is where the apical pulse is palpated or auscultated.
Where is the base of the heart Found near the 2nd intercostal spaces, just to the left and right of
located? the sternum.
Which heart sound is heard S2 ("dub") is heard loudest at the base.
loudest at the base? The base includes the aortic and pulmonic valve areas.
What is the pericardium? A tough, fibrous, double-walled sac that surrounds and protects
What is its function? the heart.
What is the myocardium? The muscular wall of the heart.
What is its function? It is responsible for the contraction and pumping of the heart.
What is the endocardium? A thin layer of endothelial tissue that lines the inner surface of the
Where is it located? heart chambers and valves.