this heart chamber ejects blood into the lungs via the pulmonary artery
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Cardiovascular System Exam Questions And Answers

1. Which heart chamber ejects blood into the lungs via the pulmonary artery?

Correct answer: C

Rationale: The correct answer is C, the right ventricle. The right ventricle is responsible for pumping deoxygenated blood into the lungs through the pulmonary artery for oxygenation. Choices A, B, and D are incorrect because the right atrium receives deoxygenated blood from the body, the left atrium receives oxygenated blood from the lungs, and the left ventricle pumps oxygenated blood to the body, respectively.

2. What test measures the electrical activity of the heart and can detect heart rhythm problems?

Correct answer: A

Rationale: The correct answer is Electrocardiogram (ECG or EKG). An electrocardiogram is a test that measures the electrical activity of the heart and can detect irregularities in heart rhythm. Choices B, C, and D are incorrect because a chest X-ray, MRI, and CT scan do not specifically measure the electrical activity of the heart or detect heart rhythm problems.

3. What test uses high-frequency sound waves to create images of the heart, allowing doctors to assess its structure and function?

Correct answer: A

Rationale: The correct answer is an echocardiogram. An echocardiogram utilizes high-frequency sound waves (ultrasound) to create images of the heart, enabling doctors to evaluate its structure, function, and detect any abnormalities. MRI (Choice B) uses magnetic fields and radio waves to produce detailed images of the body's structures. CT scan (Choice C) combines X-rays and computer technology to create cross-sectional images of the body. X-ray (Choice D) uses electromagnetic radiation to produce images of the internal structures of the body, but it is not the most suitable for assessing the heart's structure and function.

4. What is a chronic condition where the heart is unable to pump blood efficiently, leading to fluid buildup in the lungs and other parts of the body?

Correct answer: A

Rationale: Heart failure is the correct answer. It is a chronic condition characterized by the heart's inability to pump blood efficiently, resulting in symptoms like fluid buildup in the lungs and other parts of the body, shortness of breath, fatigue, and fluid retention. Cardiomyopathy (choice B) refers to diseases of the heart muscle, but it is a broader category that includes various conditions affecting the heart muscle. Pericarditis (choice C) is the inflammation of the pericardium, the sac surrounding the heart, and aortic stenosis (choice D) is a condition where the aortic valve narrows, restricting blood flow from the heart.

5. This is a procedure where a small mesh tube is inserted into an artery to keep it open and improve blood flow.

Correct answer: A

Rationale: Stent placement is a procedure where a small mesh tube (stent) is inserted into an artery to keep it open and improve blood flow, often following angioplasty.

Similar Questions

Which condition is characterized by the lungs becoming scarred and stiff, leading to difficulty breathing and inadequate oxygen intake into the bloodstream?
Which term refers to the relaxation phase of the heart, during which the chambers fill with blood?
What is the term used to describe a condition where the blood flow to the brain is temporarily interrupted, often referred to as a 'mini-stroke'?
What is a type of pneumonia that is contracted by inhaling contaminated water droplets?
Which structure serves as the major chemoreceptor of the heart?

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