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WorksheetsJenna W - Unit 4 Review - 4th bk
Total questions: 12
Worksheet time: 6mins
The Pericardium consists of which two layers?
Myocardium layer
Parietal layer
Pericardium layer
Visceral layer
Heart valves....
Ensure pumping of blood
Communicate electrical signals
Go against gravity
Ensure unidirectional flow of blood
What brings clean blood back to the body?
Pulmonary arteries
Aorta
Pulmonary veins
Capillaries
What do the papillary muscles in the heart do?
Pump blood
Clean the blood
Hold chordae tendineae
Spread electrical signals
The Pulmonary circuit consists of....
Right Arium - tricuspid valve
Left atrium - left ventrical
Aorta - Vena Cava
Right atrium - left ventricle
What is valvular stenosis?
Incompetent valves
Back flow of clean blood
Stiff heart valves
Overused heart valves
Where does the heart get its electricity?
By the food we eat
Generates own (SA)
The brain
By getting shocked
Depolarize is to ____.
Diastole
Re-polarize
Relax
Contract
Where does the electricity go after the AV Bundles?
Bundle of His
Perkinjie fibers
Right and left bundles
SA node
Which segment does the heart actually beat?
T wave
QT segment
ST segment
QRS complex
What does the PR segment represent?
Half way through heart
Beginning of ventricle depolarization
One atria cycle
Heart pumping
What is fibrillation?
Arrhythmias
Rapid irregular heart beat
Heart attacks
Uncoordinated - but with pattern beats
