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Question 1 of 10
1. Question
How does the right ventricle different from the left ventricle?
Correct
The blood ejected from the heart into a circulatory system. The blood from the right ventricle will flow into the pulmonary circulation, while the blood from the left ventricle will flow into the systemic circulation.
Incorrect
The blood ejected from the heart into a circulatory system. The blood from the right ventricle will flow into the pulmonary circulation, while the blood from the left ventricle will flow into the systemic circulation.
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Question 2 of 10
2. Question
What causes the contraction and relaxation of the heart?
Correct
The contraction and relaxation of the heart are caused by the back and forth sliding movement of the thick and thin myofibrils over each other.
Incorrect
The contraction and relaxation of the heart are caused by the back and forth sliding movement of the thick and thin myofibrils over each other.
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Question 3 of 10
3. Question
What role does calcium have in the contraction and relaxation of the cardiac muscle cell?
Correct
It is essential to note that calcium serves as the basis for several therapies related to cardiac muscle as it initiates and regulates the depolarization and repolarization of the sarcomere.
Incorrect
It is essential to note that calcium serves as the basis for several therapies related to cardiac muscle as it initiates and regulates the depolarization and repolarization of the sarcomere.
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Question 4 of 10
4. Question
What are the three ways of how chemical elements exchange across the semipermeable cell membranes?
Correct
The exchange in chemical elements across the cell membrane happens in three ways namely: filtration, osmosis, and diffusion (active or passive).
Incorrect
The exchange in chemical elements across the cell membrane happens in three ways namely: filtration, osmosis, and diffusion (active or passive).
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Question 5 of 10
5. Question
When all valves in the heart are moving in multiple directions, which of the following least likely happened to the person?
Correct
All the valves provide a unidirectional forward flow of blood through the heart. When all valves in the heart are moving in multiple directions, the person’s heart might not operate normally, the heart might have overworked and is not functioning properly or the person is suffering from heart disease.
Incorrect
All the valves provide a unidirectional forward flow of blood through the heart. When all valves in the heart are moving in multiple directions, the person’s heart might not operate normally, the heart might have overworked and is not functioning properly or the person is suffering from heart disease.
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Question 6 of 10
6. Question
Which of the following is NOT true about the semilunar valves?
Correct
Pulmonary and aortic valves are the semilunar valves of the heart and each of these valves consists of three symmetrical valve cusps which provide a complete opening without stretching the valve.
Incorrect
Pulmonary and aortic valves are the semilunar valves of the heart and each of these valves consists of three symmetrical valve cusps which provide a complete opening without stretching the valve.
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Question 7 of 10
7. Question
What most likely happens during a ventricular failure?
Correct
Whenever there is a ventricular failure, there is an increase in the pressure that builds in the ventricles and atrium. The high pressure from the atrium may force the blood into the ventricles with considerable force causing a significantly abnormal sound in the heart.
Incorrect
Whenever there is a ventricular failure, there is an increase in the pressure that builds in the ventricles and atrium. The high pressure from the atrium may force the blood into the ventricles with considerable force causing a significantly abnormal sound in the heart.
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Question 8 of 10
8. Question
What type of clinical condition when a split in the heart sound caused by the dysfunctioning of the valves?
Correct
When a patient has an electrical conduction defect, the valves fail to function in unison and creates a split in the heart sound.
Incorrect
When a patient has an electrical conduction defect, the valves fail to function in unison and creates a split in the heart sound.
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Question 9 of 10
9. Question
What are the two circulatory systems of the body?
Correct
The pulmonary circulatory system and the systemic circulatory system are the two circulatory systems of the body.
Incorrect
The pulmonary circulatory system and the systemic circulatory system are the two circulatory systems of the body.
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Question 10 of 10
10. Question
Which of the following is considered the normal blood vessel path?
Correct
The normal blood vessel path flows from the arteries into the arterioles then into the capillaries down into the venules and finally into the veins.
Incorrect
The normal blood vessel path flows from the arteries into the arterioles then into the capillaries down into the venules and finally into the veins.