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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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What is a condition where blood clots form in the deep veins, usually in the legs, and can travel to the lungs, causing serious complications?
- A. Deep vein thrombosis (DVT)
- B. Pulmonary embolism
- C. Varicose veins
- D. Peripheral artery disease
Correct Answer: A
Rationale: The correct answer is A: Deep vein thrombosis (DVT). DVT is a condition where blood clots form in the deep veins, typically in the legs. These clots can dislodge and travel to the lungs, leading to a pulmonary embolism. Choice B, pulmonary embolism, is a complication of DVT, not the initial condition. Varicose veins (C) are enlarged, twisted veins usually visible on the skin surface, not deep veins. Peripheral artery disease (D) involves narrowed arteries, not blood clots in veins.
The client is on dobutamine. Adverse effects of Dobutrex (dobutamine) include the following: Select all that apply.
- A. Heart failure
- B. Bradycardia
- C. Tachycardia
- D. Respiratory distress
Correct Answer: C
Rationale: Step-by-step rationale:
1. Dobutamine is a beta-1 adrenergic agonist, which increases heart rate.
2. Tachycardia is a common adverse effect due to increased heart rate.
3. Bradycardia is the opposite effect and not expected with dobutamine.
4. Heart failure is a condition that dobutamine is used to treat, not cause.
5. Respiratory distress is not a typical adverse effect of dobutamine.
Summary:
Choice C (Tachycardia) is correct because dobutamine increases heart rate. Choices A, B, and D are incorrect because dobutamine does not cause heart failure, bradycardia, or respiratory distress.
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.
Which test uses sound waves to create images of the heart, allowing doctors to assess its structure and function?
- A. Echocardiogram
- B. MRI
- C. CT scan
- D. X-ray
Correct Answer: A
Rationale: The correct answer is A: Echocardiogram. An echocardiogram uses sound waves to create images of the heart, providing detailed information about its structure and function in real time. It is a non-invasive and safe imaging technique commonly used to diagnose heart conditions. MRI (B) uses magnetic fields, CT scan (C) uses X-rays, and X-ray (D) uses electromagnetic radiation, but these techniques do not specifically use sound waves to image the heart.
A patient recently had a cardiac catheterization via right-radial approach and now has a compression device in place. The patient reports numbness and pain in the right hand. The cardiac-vascular nurse notes a diminished pulse, with a cool and cyanotic hand. The nurse:
- A. calls the physician.
- B. performs an Allen test.
- C. reduces the pressure on the puncture site.
- D. uses the Doppler ultrasound to assess for pulse signals.
Correct Answer: C
Rationale: Reducing pressure on the puncture site is necessary to restore blood flow to the hand.