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Questions and Answers
Which valve separates the left atrium from the left ventricle?
Which valve separates the left atrium from the left ventricle?
- Aortic valve
- Mitral valve (correct)
- Tricuspid valve
- Pulmonary valve
What is the function of the sinoatrial (SA) node?
What is the function of the sinoatrial (SA) node?
- It acts as the pacemaker of the heart (correct)
- It pumps blood out of the heart
- It regulates the contraction of the ventricles
- It controls the opening and closing of the atrioventricular valves
Which neurotransmitter slows down the heart rate?
Which neurotransmitter slows down the heart rate?
- Norepinephrine
- Acetylcholine (correct)
- Epinephrine
- Dopamine
What is the purpose of an electrocardiogram (ECG)?
What is the purpose of an electrocardiogram (ECG)?
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Which type of lipoprotein carries cholesterol away from the arteries, reducing the risk of heart disease?
Which type of lipoprotein carries cholesterol away from the arteries, reducing the risk of heart disease?
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What is the primary symptom of peripheral arterial disease?
What is the primary symptom of peripheral arterial disease?
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What is the difference between a fusiform and a saccular aortic aneurysm?
What is the difference between a fusiform and a saccular aortic aneurysm?
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What is the primary cause of arteriosclerosis?
What is the primary cause of arteriosclerosis?
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What is the normal range for systolic blood pressure in adults?
What is the normal range for systolic blood pressure in adults?
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What is the term used to describe the contraction phase of the heart chambers?
What is the term used to describe the contraction phase of the heart chambers?
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