In juvenile diabetes, there is:

IGNOU PB Bsc Nsg.Entrance-2026

Medical & Surgical Nursing

Easy

Appeared in: IGNOU PB Bsc Nsg.Entrance-2026

Explanation

Juvenile diabetes, or Type 1 Diabetes, is an autoimmune disease where the body's immune system attacks and destroys the insulin-producing beta cells in the pancreas.
This destruction results in an absolute or near-absolute deficiency of insulin, which is essential for glucose to enter cells for energy.
Consequently, glucose accumulates in the blood (hyperglycemia), and the body breaks down fat for energy, leading to potential complications like Diabetic Ketoacidosis (DKA).
Therefore, the defining characteristic of Type 1 diabetes is the absence or deficiency of insulin.

Option A: Insulin resistance is the primary pathophysiological defect in Type 2 Diabetes, not Type 1. In Type 2, the body's cells fail to respond effectively to the insulin that is being produced.
Option B: Excess insulin production (hyperinsulinemia) is not a feature of Type 1 diabetes. In fact, the opposite is true.
Option D: While the lack of production is technically an 'abnormal' state, this term is too vague and not as precise as 'absence or deficiency'. The key issue is the quantity of insulin, which is severely lacking or completely gone.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pathophysiology of Type 1 Diabetes Mellitus (Juvenile Diabetes) as background academic context rather than a clinical decision trigger.
Understanding that Type 1 Diabetes is a disease of insulin absence is fundamental for nurses, as it dictates that insulin replacement therapy is life-saving and non-negotiable.
This knowledge guides patient education, emphasizing the importance of insulin administration, blood glucose monitoring, and carbohydrate counting, as opposed to the oral medications and lifestyle changes that are the first line of treatment for Type 2 Diabetes.
What if? If a known Type 1 diabetic patient presents with confusion, rapid breathing, and fruity-smelling breath, the nurse must immediately suspect Diabetic Ketoacidosis (DKA) due to insulin deficiency, not hypoglycemia. The priority is to check blood glucose and ketones and prepare for IV insulin and fluid resuscitation.

How to Approach the Question

First, identify the key term in the question: 'juvenile diabetes'.
Recall that 'juvenile diabetes' is the common name for Type 1 Diabetes Mellitus.
Access your knowledge of the core pathophysiology of Type 1 Diabetes, which is the autoimmune destruction of pancreatic beta cells.
Consider the direct consequence of beta cell destruction: the inability to produce insulin.
Evaluate the given options. 'Insulin resistance' and 'excess production of insulin' are characteristic of Type 2 Diabetes, so they can be eliminated.
Compare 'absence or deficiency of insulin' and 'abnormal production of insulin'. The former is a precise and accurate description of the state in Type 1 Diabetes, while the latter is too vague.

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