The nurse is checking the patency of a new right arm arteriovenous fistula. What action does the nurse use to do this? Select all that apply

auscultate the right brachial pulse

palpate for thrill over the right arm fistula

measure the blood pressure in the right arm

auscultate the right radial pulse

auscultate bruit over the right arm fistula

palpate the right radial pulse

Answer and Explanation

Correct Answer : B,E

A.   Auscultating the brachial pulse is not typically used to assess the patency of an arteriovenous fistula.
B.   A thrill is a vibration felt over an arteriovenous fistula or graft and indicates proper blood flow. Palpation for thrill is a standard method to assess fistula patency.
C.   Blood pressure measurement does not directly assess the patency of an arteriovenous fistula.
D.   Auscultating the radial pulse is not typically used to assess the patency of an arteriovenous fistula.
E.   A bruit is a swooshing sound heard over an arteriovenous fistula or graft and indicates turbulent blood flow. Auscultating for bruit is another method to assess fistula patency.
F.   Palpate the right radial pulse: Palpating the radial pulse is not typically used to assess the patency of an arteriovenous fistula.

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Correct Answer is ["C","D","E"]

Explanation

A. Digoxin typically decreases the heart rate by increasing vagal tone and reducing conduction through the atrioventricular node.
B. Digoxin may have minimal effects on blood pressure, primarily by improving cardiac output in patients with heart failure, but its primary action is on cardiac contractility and rhythm.
C. Digoxin has a negative chronotropic effect, meaning it slows the heart rate by increasing parasympathetic tone and decreasing conduction through the atrioventricular node.
D. Digoxin has a positive inotropic effect, meaning it increases the force of cardiac contractions, which can be beneficial in patients with heart failure.
E. Digoxin can suppress ectopic beats (abnormal heart rhythms originating outside the sinoatrial node) by slowing conduction through the atrioventricular node and enhancing vagal tone

A. Post chemotherapy B. Diagnosed with sickle cell anemia C. Diagnosed with multiple myeloma D. Post-splenectomy patient

Correct Answer is D

Explanation

A. While patients receiving chemotherapy are at risk for infections due to immunosuppression, the risk of overwhelming infection, particularly from encapsulated bacteria, is higher in post-splenectomy patients due to impaired immune function without the spleen.
B. Patients with sickle cell anemia are at increased risk of infections, particularly from encapsulated bacteria, due to functional asplenia or hyposplenism, but the risk of overwhelming infection is highest in post-splenectomy patients.
C. Patients with multiple myeloma are immunocompromised and at increased risk of infections, but they do not have the same risk of overwhelming infection as post- splenectomy patients.
D. Post-splenectomy patients are at highest risk of overwhelming infection due to impaired immune function resulting from the absence of the spleen, which plays a crucial role in immune surveillance and defense against encapsulated bacteria.

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The nurse is checking the patency of a new right arm arteriovenous fistula. What action does the nurse use to do this? Select all that apply

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Naxlex Comprehensive Predictor Exams

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Explanation

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