a client with a history of rheumatic fever presents with signs of heart failure what is the likely underlying cause
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ATI RN

ATI Pathophysiology Exam

1. A client with a history of rheumatic fever presents with signs of heart failure. What is the likely underlying cause?

Correct answer: C

Rationale: The correct answer is C: Mitral valve stenosis. Rheumatic fever can lead to scarring and thickening of the heart valves, often affecting the mitral valve. This stenosis can impede blood flow from the left atrium to the left ventricle, eventually causing heart failure. Choice A, infective endocarditis, is an infection of the endocardium, the inner lining of the heart chambers and valves, and is not directly related to rheumatic fever. Choice B, coronary artery disease, involves the obstruction of coronary arteries supplying the heart muscle with blood, leading to ischemia and not typically associated with rheumatic fever. Choice D, aortic regurgitation, is the backflow of blood from the aorta to the left ventricle and is not a common consequence of rheumatic fever.

2. An infant is being administered an immunization. Which of the following provides an accurate description of an immunization?

Correct answer: B

Rationale: The correct answer is B. Immunization involves administering an antigen, such as a weakened or killed microorganism, to stimulate the immune system to produce an antibody response. This process helps the body recognize and remember specific pathogens, providing immunity against future infections. Choice A is incorrect because immunizations are administered to the infant directly, not to the pregnant woman before birth. Choice C is incorrect as there is no scientific evidence linking immunizations to autism. Choice D is incorrect as immunizations protect against infectious agents, not antibodies.

3. When a healthcare professional notices that a patient has type O blood, they realize that anti-_____ antibodies are present in the patient's body.

Correct answer: C

Rationale: Individuals with type O blood have both anti-A and anti-B antibodies in their body. This is because type O blood lacks A or B antigens on the surface of red blood cells, causing the body to produce antibodies against both A and B antigens. Therefore, the correct answer is C. Choice A and B only antibodies are incorrect because type O individuals have both anti-A and anti-B antibodies. Choice D is incorrect as O represents the blood type itself, not the antibodies present in the blood.

4. An older adult patient has asked her primary care provider for a prescription that will help to resolve her “warped toenails.” The care provider has diagnosed the woman with onychomycosis. The nurse should anticipate that this patient will be treated with what drug?

Correct answer: B

Rationale: The correct answer is B: Terbinafine (Lamisil). Terbinafine is commonly used to treat onychomycosis, a fungal infection of the toenails or fingernails. It works by stopping the growth of the fungus. Micafungin (Mycamine) is an antifungal medication used for different types of fungal infections but is not typically used to treat onychomycosis. Voriconazole (Vfend) is another antifungal medication used for specific fungal infections, but it is not a first-line treatment for onychomycosis. Fluconazole (Diflucan) is also an antifungal medication, but it is more commonly used for yeast infections and may not be as effective for treating onychomycosis compared to terbinafine.

5. A patient with a history of venous thromboembolism is being considered for hormone replacement therapy (HRT). What should the nurse discuss with the patient regarding the risks of HRT?

Correct answer: B

Rationale: The correct answer is B because hormone replacement therapy (HRT) is associated with an increased risk of cardiovascular events, including venous thromboembolism. Patients with a history of venous thromboembolism are at higher risk, so discussing this potential risk is crucial. Choice A, increased bone density, is not a major risk of HRT. Choice C, reduced risk of breast cancer, is not a common discussion point regarding HRT risks. Choice D, improved mood and energy levels, is more related to the benefits of HRT rather than its risks.

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