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What is the condition where the pericardium, the sac surrounding the heart, becomes inflamed, leading to chest pain and other symptoms?
- A. Pericarditis
- B. Myocarditis
- C. Endocarditis
- D. Pulmonary hypertension
Correct Answer: A
Rationale: Rationale:
1. Pericarditis is the inflammation of the pericardium, causing chest pain.
2. Myocarditis is inflammation of the heart muscle, not the pericardium.
3. Endocarditis is inflammation of the inner lining of the heart chambers.
4. Pulmonary hypertension is high blood pressure in the lungs, unrelated to pericardial inflammation.
In conclusion, pericarditis is the correct answer as it specifically refers to the inflammation of the pericardium, leading to chest pain.
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The client on amiodarone reports shortness of breath. What is the nurse's best response?
- A. Notify the healthcare provider immediately.
- B. Reassure the client that this is a common side effect.
- C. Instruct the client to monitor their symptoms at home.
- D. Suggest the client reduce physical activity.
Correct Answer: A
Rationale: The correct answer is A: Notify the healthcare provider immediately. Shortness of breath in a client on amiodarone can indicate a serious side effect such as pulmonary toxicity or interstitial lung disease. The nurse should prioritize the client's safety by promptly informing the healthcare provider for further evaluation and management. This is crucial to prevent potential harm or worsening of the condition.
Summary:
- Choice B is incorrect because shortness of breath with amiodarone is not a common side effect to be reassured about.
- Choice C is incorrect as monitoring symptoms at home may delay necessary medical intervention.
- Choice D is incorrect as reducing physical activity does not address the potential serious side effect of amiodarone.
The client is on warfarin and has an INR of 1.5. What is the nurse's priority action?
- A. Increase the dose of warfarin.
- B. Hold the next dose of warfarin.
- C. Continue the current dose of warfarin.
- D. Monitor the client's INR closely.
Correct Answer: B
Rationale: The correct answer is B: Hold the next dose of warfarin. With an INR of 1.5, the client's blood is not adequately anticoagulated, increasing the risk of blood clots. Holding the next dose will prevent further thinning of blood and allow the INR to increase to the target range. Increasing the dose (A) could lead to over-anticoagulation, risking bleeding. Continuing the current dose (C) maintains inadequate anticoagulation. Monitoring (D) is important, but the immediate action should be to hold the next dose.
What is the amount of blood the heart pumps through the circulatory system in a minute?
- A. Cardiac output
- B. Stroke volume
- C. End-diastolic volume
- D. Ejection fraction
Correct Answer: A
Rationale: The correct answer is A: Cardiac output. Cardiac output is the total amount of blood pumped by the heart in a minute. It is calculated by multiplying the heart rate (beats per minute) by the stroke volume (amount of blood pumped per beat). This measurement gives an indication of how effectively the heart is functioning in delivering oxygenated blood to the body.
B: Stroke volume is the amount of blood pumped by the heart in each beat, not the total amount in a minute.
C: End-diastolic volume is the amount of blood in the ventricles before contraction, not the total amount pumped in a minute.
D: Ejection fraction is the percentage of blood pumped out of the ventricles with each contraction, not the total amount in a minute.
What is a condition where the heart is unable to pump blood effectively, leading to a buildup of fluid in the lungs and other parts of the body?
- A. Heart failure
- B. Cardiomyopathy
- C. Myocardial infarction
- D. Pulmonary edema
Correct Answer: A
Rationale: Rationale for Correct Answer (A): Heart failure is the correct answer because it is a condition where the heart is unable to pump blood effectively, leading to fluid buildup in the lungs and other parts of the body. This occurs due to the heart's inability to adequately circulate blood, causing congestion and fluid retention. Symptoms include shortness of breath, fatigue, and swelling. Treatment aims to improve heart function and manage symptoms.
Summary of Incorrect Choices:
B (Cardiomyopathy): Cardiomyopathy is a disease of the heart muscle, which can lead to heart failure, but it is not the specific condition described in the question.
C (Myocardial infarction): Myocardial infarction, commonly known as a heart attack, results from a blockage in a coronary artery causing damage to the heart muscle, but it does not directly lead to fluid buildup in the lungs and body.
D (Pulmonary edema): Pulmonary edema is a condition characterized by fluid
What type of imaging test uses X-rays to visualize the blood vessels after injecting them with a contrast dye?
- A. Angiography
- B. CT scan
- C. MRI
- D. Ultrasound
Correct Answer: A
Rationale: The correct answer is A: Angiography. Angiography is the imaging test that uses X-rays to visualize blood vessels by injecting contrast dye. This dye highlights the blood vessels, allowing for clear visualization on X-ray images. Angiography is specifically designed to provide detailed images of the blood vessels and identify any blockages or abnormalities.
B: CT scan uses X-rays but does not involve injecting contrast dye into blood vessels.
C: MRI uses magnetic fields and radio waves, not X-rays.
D: Ultrasound uses sound waves, not X-rays or contrast dye to visualize blood vessels.