Heart Exame Review
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Thickest walled, powerfull chamber of the heart
Large vessels returning blood to the right atium
Superior and inferior vena cava
Thinnest walled blood vessels
Inner lining of the heart
Last valve which blood passes through on its way out of the heart
Active phase of the cardiac cycle _________ resting phase __________
Outer layer of the heart
Muscular layer of the heart
Normal heart mechanism, but slow
Normal heart mechanism, but fast
Range for normal adult heart rate
Valve between left atrium & ventricle
Tricuspid valve seperates which two chambers
- Right atrium,
- Right ventricle
Force the ventricles must pump against
Superior vena cava delivers blood to the
Outside covering or sac surrounding the heart
Thin-walled upper heart chambers, receiving blood from the
Valve between right ventricle & pulmonary artery
Umbilical cord- how many veins, how many arteries?
1 vein & 2 arteries
List in order the components of the hearts electrical conduction system
- SA node
- AV node
- Bundel of his
- Bundle branch
- Perkinje fibers
Medical term for heart attack
Cause of pulmonary vasoconstriction
- High altitude
Vessels which return blood to the heart?
Vessels which supply blood, O2, neutrients to the heart muscle?
Universal blood doner type
Heart's rest period between contraction?
Vessels which carry blood, O2, nutrients out to the body?
Average PO2 in the umbilical arteries during fetal life?
Differences between fetal circulation & adult circulation?
- Foramen ovale
- Ductus arteriosis
- Ductus venosus
Most oxygenated blood from the placenta enters the _______ via the ______
Right atrium, Umbilical cord
Alveoli count in a normal newborn?
Approximate tidal volume in a normal newborn
Medical term for red blood cells?
Medical term for white blood cells?
Three primary functions of the blood?
Carry O2, Nutrients, & defend aginst infection
What happens in the heart during the P wave?
What happens in the heart during the QRS complex?
What happens in the heart during the T wave?
What is the normal duration of the PR interval?
.12 to .20 sec.
- SV=stroke volume
- HR=heart rate
- CO=cardiac output
- SVR=systemic vascular resistance
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