DSSSB -28 August 2019 (Shift-2)
Medical Surgical Nursing
Easy

Identify a microvascular complication of diabetes mellitus from the following.

Appeared in: DSSSB -28 August 2019 (Shift-2)

Explanation

  • Diabetic complications are categorized as either microvascular (affecting small blood vessels) or macrovascular (affecting large blood vessels).
  • Nephropathy, which is damage to the kidneys' filtering units (glomeruli), is a primary microvascular complication of diabetes.
  • Chronic hyperglycemia damages the delicate capillaries within the glomeruli, leading to impaired kidney function.
  • The other options listed are all examples of macrovascular complications.

Why Other Options Were Wrong

  • Option A: Stroke is a macrovascular complication. It results from atherosclerosis in the large arteries supplying the brain (cerebrovascular disease), not the small vessels.
  • Option B: Peripheral vascular atherosclerosis is a macrovascular complication. It involves the hardening and narrowing of large arteries that supply blood to the limbs.
  • Option D: Coronary atherosclerosis is a macrovascular complication. It is the narrowing of the large coronary arteries that supply blood to the heart muscle, leading to coronary artery disease.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of diabetic complications (Microvascular vs. Macrovascular) as background academic context rather than a clinical decision trigger.
  • Nurses play a crucial role in screening for and managing diabetic complications. For nephropathy, this includes monitoring urine for albumin (UACR) and checking serum creatinine/eGFR annually.
  • Patient education is key. Nurses must teach patients about the importance of tight glycemic control (A1c targets), blood pressure management (target less than 130/80 mmHg), and lifestyle modifications to slow the progression of all complications.
  • A critical safety point is advising patients with nephropathy to avoid nephrotoxic drugs, especially NSAIDs (like ibuprofen and naproxen), which can acutely worsen kidney function.
How to Approach the Question
  • First, identify the key terms in the question: 'microvascular complication' and 'diabetes mellitus'.
  • Recall or deduce the meaning of 'micro' (small) and 'macro' (large) in the context of blood vessels.
  • Mentally categorize the major long-term complications of diabetes into these two groups.
  • Microvascular complications classically include the 'triopathy': retinopathy, nephropathy, and neuropathy.
  • Macrovascular complications involve atherosclerosis in large arteries, leading to cardiovascular, cerebrovascular, and peripheral vascular disease.
  • Evaluate each option against this classification. 'Nephropathy' fits the microvascular category, while the others fit the macrovascular category.
Concept Tested & Keywords
  • Concept Tested: Classification of diabetic complications (Microvascular vs. Macrovascular)
  • Stem keywords: microvascular complication, diabetes mellitus
  • Lead-in keywords: Identify
  • Negative lead-in flag: false

Question ID

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Reference Book

E6 Medicine Harrison 22e Part 2 p. 1126-1128

E6 PATHOLOGY QUICK REVIEWBased on Harsh Mohan Textbook of PATHOLOGY p. 247-249

E6 Nutrition Kumud Khanna 2e p. 344-346

Practise the full DSSSB -28 August 2019 (Shift-2)

Attempt every question from this paper in a timed mock, then review the full solution for each one.

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