this is a rare genetic disorder that affects the lungs liver and skin causing the buildup of a specific protein that damages organs
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Cardiovascular System Exam Questions Pdf

1. Which of the following is a rare genetic disorder that affects the lungs, liver, and skin, causing the buildup of a specific protein that damages organs?

Correct answer: A

Rationale: The correct answer is Alpha-1 antitrypsin deficiency. This disorder leads to the accumulation of a specific protein that can harm the lungs, liver, and skin. Choice B, Cystic fibrosis, is incorrect because it primarily affects the lungs and digestive system due to a defective gene. Choice C, Wegener's granulomatosis, is an autoimmune disease that involves inflammation of blood vessels, not protein buildup. Choice D, Marfan syndrome, is a connective tissue disorder impacting the heart, blood vessels, bones, and eyes, but not involving protein accumulation that damages organs.

2. Which test measures the electrical activity of the heart and can detect arrhythmias and other heart conditions?

Correct answer: A

Rationale: The correct answer is A: Electrocardiogram (ECG or EKG). An electrocardiogram is a test that measures the electrical activity of the heart and can detect arrhythmias and other heart conditions by recording the heart's electrical impulses. Choices B, C, and D are incorrect because a chest X-ray is used to visualize the structures in the chest, an MRI (Magnetic Resonance Imaging) is used to provide detailed images of organs and tissues, and a CT scan (Computed Tomography) is a type of imaging that uses X-rays to create detailed cross-sectional images of the body.

3. What is a condition where the airways become inflamed and narrow, making breathing difficult?

Correct answer: A

Rationale: Asthma is the correct answer. It is a condition characterized by inflammation, narrowing, and swelling of the airways, leading to symptoms like wheezing, shortness of breath, and coughing. Bronchitis is the inflammation of the bronchial tubes; Pleurisy is inflammation of the tissues that line the lungs and chest cavity; Tuberculosis is a bacterial infection that mainly affects the lungs.

4. The nurse is administering enoxaparin (Lovenox) to a client. What is the most important lab value to monitor?

Correct answer: A

Rationale: The correct answer is A: Platelet count. When administering enoxaparin, it is crucial to monitor the platelet count because enoxaparin can lead to a rare but serious side effect known as thrombocytopenia, which is a decrease in platelet levels. Monitoring the platelet count helps in detecting this adverse effect early. Choices B, C, and D are incorrect because hemoglobin, white blood cell count, and aPTT are not the most important lab values to monitor specifically for enoxaparin administration.

5. What is the average cardiac output?

Correct answer: B

Rationale: The correct answer is B: Approximately 4 to 8 L per minute. Cardiac output is defined as the volume of blood the heart pumps per minute, typically ranging between 4 to 8 liters. Choices A, C, and D provide ranges that are either too narrow or outside the standard average values for cardiac output, making them incorrect.

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