The Heart Flashcards

1️⃣ Familiarise yourself with the flashcards:

  • Look through all the flashcards to see what's on both sides.
  • Make sure you understand the information on each card. If something's unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

  • Look at the question or prompt on each card and try to remember the answer before flipping it over.
  • Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

  • Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It's useful to remember specific examples to understand these concepts better.

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How many chambers does the human heart have?

Four: two atria (top) and two ventricles (bottom).

What is the job of the valves in the heart?

They stop blood flowing backwards and keep it moving one way.

Which side of the heart pumps blood to the lungs?

The right side. It pumps deoxygenated blood to the lungs.

Which side of the heart pumps blood to the rest of the body?

The left side. It pumps oxygenated blood to the body.

Why is the wall of the left ventricle thicker than the right?

It must create higher pressure to push blood around the whole body.

Which two major blood vessels link the heart and the body?

The aorta carries blood out to the body; the vena cava brings blood back.

Which blood vessels link the heart and the lungs?

The pulmonary artery takes blood to the lungs; the pulmonary vein brings it back.

What do the coronary arteries supply?

Oxygenated blood to the heart muscle itself.

What is coronary heart disease (CHD)?

Fatty deposits build up in coronary arteries, narrowing them and reducing blood flow.

How does a stent help in CHD?

It is a small mesh tube put in an artery to keep it open.

What do statins do?

They lower blood cholesterol, which slows the build-up of fatty deposits in arteries.

What is a pacemaker and where is the natural one?

A pacemaker controls heart rate. The natural pacemaker is in the right atrium.