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Test: Heart - Year 11 MCQ


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10 Questions MCQ Test - Test: Heart

Test: Heart for Year 11 2024 is part of Year 11 preparation. The Test: Heart questions and answers have been prepared according to the Year 11 exam syllabus.The Test: Heart MCQs are made for Year 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Heart below.
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Test: Heart - Question 1

In a diagram of the heart, what does the left side of the diagram actually represent?

Detailed Solution for Test: Heart - Question 1
In diagrams, the orientation is such that the left side of the diagram represents the right side of the heart and vice versa.
Test: Heart - Question 2

Which valve prevents backflow of blood from the right ventricle into the right atrium?

Detailed Solution for Test: Heart - Question 2
The tricuspid valve is located between the right atrium and right ventricle and prevents backflow of blood into the atrium when the ventricle contracts.
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Test: Heart - Question 3

What is the main function of the coronary arteries?

Detailed Solution for Test: Heart - Question 3
The coronary arteries supply the heart muscle itself with oxygen and nutrients necessary for its continuous function.
Test: Heart - Question 4
What happens to the heart rate during physical exercise?
Detailed Solution for Test: Heart - Question 4
During physical exercise, the heart rate increases to meet the heightened demand for oxygen and nutrients by the muscles.
Test: Heart - Question 5
Which chamber of the heart has the thickest muscular wall and why?
Detailed Solution for Test: Heart - Question 5
The left ventricle has the thickest muscular wall because it needs to generate high pressure to pump blood throughout the entire body.
Test: Heart - Question 6
How does the septum contribute to heart function?
Detailed Solution for Test: Heart - Question 6
The septum is a muscular wall that divides the heart into the right and left sides, preventing the mixing of oxygenated and deoxygenated blood.
Test: Heart - Question 7
What role do semilunar valves play in the heart?
Detailed Solution for Test: Heart - Question 7
Semilunar valves, located in the major arteries, ensure that blood flows in one direction from the ventricles to the arteries, preventing backflow.
Test: Heart - Question 8
What is the significance of measuring heart rate before, during, and after exercise?
Detailed Solution for Test: Heart - Question 8
Measuring heart rate before, during, and after exercise helps assess the efficiency of the cardiovascular system and how well it responds to physical activity.
Test: Heart - Question 9
How does the heart's electrical conduction system affect heartbeats?
Detailed Solution for Test: Heart - Question 9
The heart's electrical conduction system coordinates heartbeats, ensuring synchronized contractions for efficient pumping of blood.
Test: Heart - Question 10
What condition is characterized by severe chest pain due to reduced blood flow in the coronary arteries?
Detailed Solution for Test: Heart - Question 10
Angina is characterized by severe chest pain resulting from reduced blood flow to the heart muscle due to partial blockage in the coronary arteries.
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