Which of the following is a symptom of hyperglycemia?

Appeared in: NORCET 1 - 2020

Explanation

Increased thirst, or polydipsia, is a hallmark symptom of hyperglycemia (high blood sugar).
It occurs because high glucose levels in the blood overwhelm the kidneys, causing glucose to spill into the urine.
This process, known as osmotic diuresis, pulls large amounts of water out of the body, leading to dehydration and triggering an intense feeling of thirst.
This is one of the '3 Ps' of hyperglycemia: Polydipsia (thirst), Polyuria (urination), and Polyphagia (hunger).

Option A: Shakiness, or tremors, is a classic adrenergic symptom of hypoglycemia (low blood sugar), not hyperglycemia.
Option B: Sweating (diaphoresis) is a common cholinergic symptom of hypoglycemia, resulting from the autonomic nervous system's response to low glucose.
Option D: Confusion is a neuroglycopenic symptom of hypoglycemia, occurring when the brain is deprived of sufficient glucose, its primary energy source.

Clinical Relevance

Nursing practice connection: Knowing Differentiating symptoms of hyperglycemia from hypoglycemia helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
A nurse's ability to quickly differentiate between hyperglycemic and hypoglycemic symptoms is critical for patient safety, as the treatments are opposite and a mistake can be life-threatening.
Patient education is a key nursing role. Teaching patients and families to recognize these specific symptoms empowers them to manage blood sugar levels and seek timely help.
What if? If a diabetic patient is found unconscious, a nurse should immediately check their blood glucose. You cannot rely on symptoms alone, and treating for the wrong condition (e.g., giving sugar to a hyperglycemic patient) can be harmful. The immediate priority is to get a blood glucose reading.

How to Approach the Question

First, identify the key term in the question: 'hyperglycemia,' which means high blood sugar.
Recall the classic signs of hyperglycemia, often remembered as the '3 Ps': Polydipsia (increased thirst), Polyuria (increased urination), and Polyphagia (increased hunger).
Scan the options to see if any of the classic signs are present. 'Increased thirst' directly matches Polydipsia.
Mentally review the other options (Shakiness, Sweating, Confusion) and recognize them as classic signs of the opposite condition, hypoglycemia, to confirm your choice.

Concept Tested & Keywords

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Practise the full NORCET 1 - 2020

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