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Biology for Secondary Schools
Prevention and management resistant to its insulin, it cannot use its
Preventing hypoglycemia requires careful insulin effectively. Other contributing
management of diet, medication, and factors include poor dietary choices,
lifestyle choices. Individuals with diabetes obesity, physical inactivity, hormonal
should monitor blood sugar levels regularly imbalances, certain medications, infections,
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and follow a well-balanced meal plan that and psychological stress. Excessive
includes complex carbohydrates, proteins, consumption of refined carbohydrates
and healthy fats to maintain stable glucose and sugary foods leads to spikes in
levels. Avoiding long gaps between meals, blood glucose levels, while obesity and
eating before engaging in strenuous a sedentary lifestyle contribute to insulin
activities, and moderating alcohol intake resistance. Hormonal disorders such as
are also crucial preventive measures. Cushing’s syndrome, as well as medications
People on insulin or other glucose-lowering like corticosteroids, can further exacerbate
medications should work closely with hyperglycemia. Additionally, illness,
healthcare providers to adjust dosages infections, and chronic stress can trigger
appropriately. Education on recognizing and hormonal responses that elevate blood sugar
managing early symptoms of hypoglycemia levels.
is essential for both patients and caregivers.
Symptoms
Hyperglyacemia Symptoms of hyperglycemia develop
Hyperglycemia is a condition characterized gradually and can be subtle in the early
by elevated blood glucose levels, typically stages. Common symptoms include
exceeding 126 mg/dL when fasting. It is frequent urination (polyuria), excessive
most commonly associated with diabetes thirst (polydipsia), and increased hunger
mellitus but can also arise due to various (polyphagia). Other signs include fatigue,
lifestyle and medical factors. The regulation blurred vision, dry mouth, slow healing
of blood sugar is essential for overall of wounds, and unexplained weight loss,
health. Persistent hyperglycemia can lead particularly in individuals with Type 1
to severe complications if left untreated. diabetes. As hyperglycemia progresses,
Understanding its causes, symptoms, individuals may experience numbness or
effects, prevention, and treatment is tingling in their extremities due to nerve
therefore crucial for effective management damage, and recurrent infections such as
and improved well-being. yeast infections and skin rashes becomes
more prevalent.
Causes
The primary cause of hyperglycemia is Effects
diabetes mellitus, a metabolic disorder Hyperglycemia can have severe
in which the body either fails to produce consequences on multiple organ systems.
sufficient insulin or becomes resistant to Chronic high blood sugar levels increase the
its insulin effects. As the body becomes risk of cardiovascular diseases, including
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BIOLOGY FORM 3 FINAL EDITED 16.09.2025.indd 124 23/10/2025 11:52:49 KAMISHNA
KAMISHNA

