Cardiovascular System Pre / Post Quiz

What is the primary function of the heart?

• To digest food

• To filter blood

• To pump blood throughout the body

• To absorb nutrients

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DOK Level 1: Recall

Which chamber of the heart receives oxygen-poor blood from the body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

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DOK Level 1: Recall

Identify the valve located between the left atrium and left ventricle.

• Pulmonary valve

• Aortic valve

• Mitral valve

• Tricuspid valve

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DOK Level 1: Recall

What is the role of the aorta in the circulatory system?

• It carries oxygen-poor blood to the lungs

• It distributes oxygen-rich blood to the body

• It collects deoxygenated blood from the body

• It pumps blood into the right atrium

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DOK Level 1: Recall

Explain how the heart rate is increased during physical activity.

• Decrease in blood pressure

• Increase in blood pressure

• Release of adrenaline

• Decrease in adrenaline

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DOK Level 2: Skill/Concept

How does the heart ensure unidirectional blood flow?

• By the contraction of skeletal muscles

• Through the operation of heart valves

• By the fluctuation of blood pressure

• Through the relaxation of the diaphragm

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DOK Level 2: Skill/Concept

What is atherosclerosis and how does it affect heart function?

• A condition where lung capacity decreases, affecting oxygen intake

• A disease where the liver fails to filter toxins, affecting blood purity

• A condition involving the thickening of arterial walls, restricting blood flow

• A kidney disease that alters blood electrolyte levels, impacting heart rhythm

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DOK Level 2: Skill/Concept

Describe the sequence of blood flow through the heart starting from the vena cava.

• Vena cava → right atrium → right ventricle → pulmonary artery

• Vena cava → left atrium → left ventricle → aorta

• Vena cava → right ventricle → left atrium → left ventricle

• Vena cava → right atrium → left ventricle → pulmonary vein

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DOK Level 2: Skill/Concept

What is the significance of maintaining a healthy heart?

• It ensures efficient transportation of nutrients only

• It prevents digestive issues

• It supports overall body function and longevity

• It enhances brain function only

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DOK Level 2: Skill/Concept

Which cardiovascular disease is characterized by the heart's inability to pump sufficient blood?

• Arrhythmia

• Heart attack

• Congestive heart failure

• Hypertension

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DOK Level 2: Skill/Concept