A process of cleansing the blood of accumulated waste products in patients with renal failure is known as \ \… - AIIMS Raipur NO- 2019 (shift 3rd)

AIIMS Raipur NO- 2019 (shift 3rd)

Medical & Surgical Nursing

Easy

Appeared in: AIIMS Raipur NO- 2019 (shift 3rd)

Explanation

Hemodialysis is a form of renal replacement therapy that removes waste products (like urea) and excess fluid from the blood when the kidneys are unable to.
The process relies on diffusion of solutes from the blood into a dialysate solution across a semipermeable membrane within a dialyzer (artificial kidney).
It is the most common treatment for end-stage renal disease (ESRD) and is also used for acute kidney injury (AKI).
The primary goal is to replace the excretory functions of the failed kidneys, thereby preventing the toxic buildup of waste in the body.

Option A: Ultrafiltration is only one component of hemodialysis, specifically responsible for removing excess fluid (water), not the overall process of clearing waste solutes.
Option B: Nephrectomy is the surgical removal of a kidney. It is a treatment for diseases of the kidney itself (e.g., cancer) but does not perform the function of cleansing the blood.
Option D: Transfusion is the process of adding blood or blood components to the circulation, which is the opposite of removing waste products from the blood.

Clinical Relevance

Nursing practice connection: Knowing Renal Failure Treatment and Blood Purification helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses play a critical role in managing patients on hemodialysis, including pre-, intra-, and post-dialysis care. This involves assessing the vascular access site (fistula or graft) for patency (checking for a thrill and bruit), monitoring for complications like hypotension, and managing fluid and dietary restrictions.
Patient safety is paramount. A common complication during hemodialysis is hypotension due to rapid fluid removal. Nurses must monitor blood pressure frequently and be prepared to intervene by adjusting the ultrafiltration rate or administering fluids as ordered.
What if? If a patient on hemodialysis develops a fever and redness at their catheter site, the priority shifts from routine monitoring to assessing for a line infection (sepsis), a life-threatening complication. The nurse would immediately notify the physician, anticipate orders for blood cultures, and prepare to administer antibiotics.

How to Approach the Question

First, analyze the question to identify the core concept. The question asks for the name of a process that 'cleanses the blood' for patients with 'renal failure'.
This is a definition-based recall question. You need to match the description to the correct medical term.
Evaluate each option: 'Ultrafiltration' is related but is a specific part of the process. 'Nephrectomy' is a surgical removal. 'Transfusion' is adding blood. 'Hemodialysis' literally means 'blood-separation' and fits the description of cleaning blood.
Eliminate the options that are clearly incorrect. Nephrectomy and transfusion are unrelated to blood cleansing.
Differentiate between the remaining options. Ultrafiltration is the removal of water, while hemodialysis is the comprehensive term for removing waste solutes and water.
Select Hemodialysis as it is the most accurate and comprehensive term for the process described.

Concept Tested & Keywords

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