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Introducing new Paper mode
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10 questions
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- Multiple ChoicePlease save your changes before editing any questions.
Which of the chambers has the highest pressure?
Right verticle
Left atrium
Left verticle
- Multiple ChoicePlease save your changes before editing any questions.
Which blood vessel carries the deoxygenated blood to the right atrium?
Vena cava
Pulmonary vein
Pulmonary artery
All of them
- Multiple ChoicePlease save your changes before editing any questions.
Which blood vessels carries oxygenated blood from the heart to the whole body?
Vena cava
Aorta
Pulmonary vein
- Multiple ChoicePlease save your changes before editing any questions.
What happen when the ventricles of the heart contract?
The semilunar valve close
The semilunar valve open
The atrioventricular valve open
- Multiple ChoicePlease save your changes before editing any questions.
Which valve action results from an increase in pressure in the atrial of the heart?
The opening of the semilunar valve
The closing of the atrioventricular valve
The opening of the atrioventricular valve
- Multiple ChoicePlease save your changes before editing any questions.
Where does the sino-atrial node, which generates the electrical impulses that coordinate heart-muscle contracted is located in?
Left atrium
Right atrium
Septum
- Multiple ChoicePlease save your changes before editing any questions.
Right atrium and ventricle are separated from the left atrium and ventricle by______________
AV node
SA node
Septum
- Multiple ChoicePlease save your changes before editing any questions.
Where do aorta pump oxygenated blood?
Lungs
Whole body
Brain
- Multiple ChoicePlease save your changes before editing any questions.
What is the function of SA node?
Spread impulse to both atrium
Generate electrical impulse
Spread impulse to AV node
- Multiple ChoicePlease save your changes before editing any questions.
How long does impulse delayed at AV node
0.01s
0.1s
1.0s
0.001s