A client with acute renal failure is receiving continuous renal replacement therapy (CRRT). What is the primary advantage of CRRT compared to intermittent hemodialysis?
CRRT allows for more rapid removal of waste products and excess fluids.
CRRT requires less frequent sessions, providing greater convenience for the client.
CRRT does not require the use of anticoagulants to prevent blood clotting in the machine.
CRRT is less expensive and more cost-effective than intermittent hemodialysis.
The Correct Answer is C
A. Incorrect. Continuous renal replacement therapy (CRRT) provides gradual and continuous removal of waste products and excess fluids from the blood, but it may not be as rapid as intermittent hemodialysis.
B. Incorrect. CRRT typically requires continuous sessions, which may last 24 hours or more. Intermittent hemodialysis involves shorter but more frequent sessions.
C. Correct. One of the primary advantages of CRRT is that it does not require the use of anticoagulants to prevent blood clotting in the machine. This reduces the risk of bleeding and other complications associated with anticoagulant use during hemodialysis.
D. Incorrect. The cost of CRRT and intermittent hemodialysis can vary based on the healthcare setting and the client's needs. The cost-effectiveness depends on individual factors and resource availability.
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Related Questions
Correct Answer is C
Explanation
A. Incorrect. Decreased blood volume and hypovolemia may contribute to prerenal acute renal failure, but they are not the primary pathophysiological processes that lead to edema in acute renal failure.
B. Incorrect. Increased vascular permeability and leakage of fluid into tissues are not the primary mechanisms of edema in acute renal failure.
C. Correct. In acute renal failure, the impaired filtration and reduced excretion of fluid by the kidneys lead to fluid retention and edema in various parts of the body.
D. Incorrect. Excessive fluid intake and fluid overload may contribute to fluid retention and edema in prerenal acute renal failure, but they are not the primary pathophysiological process in acute renal failure.
Correct Answer is A
Explanation
A. Correct. A renal ultrasound is an imaging test that uses sound waves to create images of the kidneys. It can help identify kidney stones, obstructions, and other structural abnormalities in the urinary tract.
B. Incorrect. The renal ultrasound does not directly measure the glomerular filtration rate (GFR), which is typically assessed through blood tests.
C. Incorrect. A renal ultrasound does not provide information about the number and types of blood cells in the bloodstream.
D. Incorrect. While a renal ultrasound can visualize the blood vessels in the kidneys, its primary purpose is to assess kidney structure, not blood flow.
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