Podcast
Questions and Answers
What is the primary goal of diet management in diabetes treatment?
What is the primary goal of diet management in diabetes treatment?
Which percentage of a diabetic patient's diet should consist of carbohydrates?
Which percentage of a diabetic patient's diet should consist of carbohydrates?
What is an important consideration before starting an exercise program for diabetic patients?
What is an important consideration before starting an exercise program for diabetic patients?
What type of insulin has an onset time of ½ to 1 hour?
What type of insulin has an onset time of ½ to 1 hour?
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What is a key benefit of exercise for individuals with diabetes?
What is a key benefit of exercise for individuals with diabetes?
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Which of the following is not a common type of insulin mentioned?
Which of the following is not a common type of insulin mentioned?
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What should diabetic patients always have available during exercise?
What should diabetic patients always have available during exercise?
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What is the primary characteristic of diabetes mellitus?
What is the primary characteristic of diabetes mellitus?
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What component of diabetes management does not typically include lifestyle changes?
What component of diabetes management does not typically include lifestyle changes?
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Which of the following is NOT a long-term complication of diabetes?
Which of the following is NOT a long-term complication of diabetes?
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What age is recognized as a risk factor for developing diabetes mellitus?
What age is recognized as a risk factor for developing diabetes mellitus?
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How does type 1 diabetes differ from type 2 diabetes?
How does type 1 diabetes differ from type 2 diabetes?
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Which risk factor is indicated by a blood pressure reading of ≥140/90 mm Hg?
Which risk factor is indicated by a blood pressure reading of ≥140/90 mm Hg?
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Which statement is true regarding the incidence of type 1 diabetes?
Which statement is true regarding the incidence of type 1 diabetes?
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What percentage of people with diabetes have type 1 diabetes?
What percentage of people with diabetes have type 1 diabetes?
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Which factor is NOT listed among the common risk factors of diabetes mellitus?
Which factor is NOT listed among the common risk factors of diabetes mellitus?
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What is the primary purpose of self-monitoring of blood glucose (SMBG) levels for diabetic patients?
What is the primary purpose of self-monitoring of blood glucose (SMBG) levels for diabetic patients?
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Which of the following is NOT a common cause of hypoglycemia in diabetic patients?
Which of the following is NOT a common cause of hypoglycemia in diabetic patients?
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What is a significant complication associated with high doses of insulin therapy?
What is a significant complication associated with high doses of insulin therapy?
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Which of the following symptoms is a late sign of hypoglycemia?
Which of the following symptoms is a late sign of hypoglycemia?
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In managing diabetes, what must patients learn to prevent acute fluctuations in blood glucose?
In managing diabetes, what must patients learn to prevent acute fluctuations in blood glucose?
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What is the definition of hypoglycemia in terms of blood glucose levels?
What is the definition of hypoglycemia in terms of blood glucose levels?
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Which of these factors can negatively impact diabetic control?
Which of these factors can negatively impact diabetic control?
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What is an allergic reaction to insulin known as?
What is an allergic reaction to insulin known as?
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What is a key nursing diagnosis related to elevated blood glucose levels?
What is a key nursing diagnosis related to elevated blood glucose levels?
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What blood glucose level is considered a potential indicator of diabetes?
What blood glucose level is considered a potential indicator of diabetes?
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Which of the following is NOT a recommended intervention for a patient with reduced sensation in their feet?
Which of the following is NOT a recommended intervention for a patient with reduced sensation in their feet?
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What should a patient do first if they experience hypoglycemia at home and are able to swallow?
What should a patient do first if they experience hypoglycemia at home and are able to swallow?
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What does the hemoglobin A1c test measure?
What does the hemoglobin A1c test measure?
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What is considered a normal A1c level for individuals without diabetes?
What is considered a normal A1c level for individuals without diabetes?
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Which items are appropriate fast-acting sources of sugar for treating hypoglycemia?
Which items are appropriate fast-acting sources of sugar for treating hypoglycemia?
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What is a recommended practice for proper skin and foot care in diabetic patients?
What is a recommended practice for proper skin and foot care in diabetic patients?
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Which of the following is NOT a usual symptom of diabetes?
Which of the following is NOT a usual symptom of diabetes?
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What is the target A1c level for individuals diagnosed with diabetes?
What is the target A1c level for individuals diagnosed with diabetes?
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How should insulin be administered safely?
How should insulin be administered safely?
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Which practice should be avoided when washing feet?
Which practice should be avoided when washing feet?
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How often should individuals with diabetes have their hemoglobin A1c tested?
How often should individuals with diabetes have their hemoglobin A1c tested?
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What does a hemoglobin A1c level of 6.5% or higher indicate?
What does a hemoglobin A1c level of 6.5% or higher indicate?
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When checking for foot abnormalities, which area should be particularly inspected?
When checking for foot abnormalities, which area should be particularly inspected?
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What role does hemoglobin play in the body?
What role does hemoglobin play in the body?
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What is a common range for blood glucose levels in severe cases related to hyperosmolar hyperglycemic state?
What is a common range for blood glucose levels in severe cases related to hyperosmolar hyperglycemic state?
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Which of the following is a primary goal of medical management in HHNS?
Which of the following is a primary goal of medical management in HHNS?
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What condition is associated with a significantly increased risk of cardiovascular disease in individuals with diabetes?
What condition is associated with a significantly increased risk of cardiovascular disease in individuals with diabetes?
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What should be closely monitored in patients with hyperosmolar hyperglycemic state to prevent renal failure?
What should be closely monitored in patients with hyperosmolar hyperglycemic state to prevent renal failure?
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Which of the following symptoms is NOT typically associated with cerebral dehydration from extreme hyperosmolality?
Which of the following symptoms is NOT typically associated with cerebral dehydration from extreme hyperosmolality?
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What is the significance of monitoring blood glucose in patients with diabetes mellitus?
What is the significance of monitoring blood glucose in patients with diabetes mellitus?
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What electrolyte disturbance is commonly found in patients experiencing severe dehydration?
What electrolyte disturbance is commonly found in patients experiencing severe dehydration?
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Which nursing action is essential to ensure patient safety in the presence of altered sensorium due to a hyperosmolar hyperglycemic state?
Which nursing action is essential to ensure patient safety in the presence of altered sensorium due to a hyperosmolar hyperglycemic state?
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Study Notes
Diabetes Mellitus
- Diabetes mellitus (DM) is a chronic, multisystem disease related to abnormal insulin production, impaired insulin utilization, or both.
- It's a serious health problem globally, with prevalence rapidly increasing.
- DM is the seventh leading cause of death worldwide.
Complications
- Long-term complications include adult blindness, end-stage kidney disease, and non-traumatic lower limb amputations.
- It's a major factor contributing to heart disease and stroke.
- Adults with diabetes have heart disease death rates 2 to 4 times higher than those without.
- Stroke risk is also 2 to 4 times higher for people with diabetes.
- Approximately 67% of adults with diabetes have hypertension.
Risk Factors
- Genetic: Family history of diabetes (parents or siblings).
- Metabolic: Obesity, emotional and physical stress.
- Microbiological: Viral infection (in some types).
- Immunological: Age ≥45 years, hypertension (≥140/90 mm Hg), low HDL cholesterol level, triglyceride.
- History of gestational diabetes or delivery of babies over 9 lbs
Classification of Diabetes
-
Type 1 (IDDM): Juvenile-onset or insulin-dependent diabetes.
- Accounts for approximately 5% of all people with diabetes.
- Primarily affects people under 40, with 40% developing it before age 20.
- Incidence has increased slightly in recent decades, occurring more frequently in younger children.
-
Type 2 (NIDDM): Adult-onset or non-insulin-dependent diabetes.
- Most prevalent type, accounting for 90-95% of cases.
- Risk factors include being overweight/obese, older age, and a family history of type 2 diabetes.
- Increasing incidence due to childhood obesity.
-
Gestational: Occurs during pregnancy.
-
Secondary: Associated with other conditions like pancreatitis.
Physiology and Pathophysiology of Diabetes
-
Insulin: Secreted by beta cells in the islets of Langerhans in
the pancreas.
- Insulin is an anabolic (storage) hormone.
- Released when a person eats a meal to move glucose from the blood into muscle, liver and fat cells.
-
Glucose Metabolism: Insulin facilitates glucose transport and
storage, inhibiting the breakdown of stored glucose
- In fasting states, the pancreas secretes basal insulin. Glucagon is released when blood glucose drops; it stimulates the liver to release stored glucose.
- The liver also produces glucose through the breakdown of glycogen (glycogenolysis). After 8 to 12 hours without food, the liver forms glucose from amino acids (gluconeogenesis).
Type 1 Diabetes Pathophysiology
- Destruction of beta cells results in reduced insulin production and unchecked (high) glucose produced by the liver
- Glucose can't be stored in the liver, leading to elevated postprandial (after meals) hyperglycemia.
- If blood glucose exceeds renal threshold, glucose appears in the urine (glucosuria), resulting in osmotic diuresis (fluid loss).
- Fat breakdown increases, producing excessive ketone bodies which contribute to hyperglycemia.
Type 2 Diabetes Pathophysiology
- Key problems are insulin resistance and impaired insulin secretion.
- Insulin resistance reduces tissue sensitivity to insulin.
- Glucose uptake by tissues and regulation of glucose release are diminished.
- Genetic factors likely play a role.
- Increased amounts of insulin are secreted to offset resistance, but beta cells may not be able to keep up, leading to high glucose levels.
- Uncontrolled Type 2 diabetes may lead to HHNS (hyperglycemic hyperosmolar non-ketotic syndrome). Ketone body production doesn't occur to the same extent in Type 2, so DKA is less common.
Management of Type 1 and Type 2 Diabetes
- Diet: Crucial for management.
- Exercise: Essential.
-
Pharmacologic Therapy:
- Insulin therapy (Type 1 and some Type 2)
- Oral hypoglycemic agents (mostly Type 2)
- Monitoring: Frequent blood glucose monitoring.
- Education: Critical to self-management.
Gestational Diabetes
- Any degree of glucose intolerance during pregnancy.
- Risk factors include age 25+ or obesity, family history of diabetes or ethnicity with high prevalence.
Complications of Diabetes Mellitus
- Acute complications: Diabetic ketoacidosis (DKA), hyperglycemic hyperosmolar nonketotic syndrome (HHNS).
- Chronic complications: Cardiovascular disease (CVD), peripheral vascular disease, nephropathy, retinopathy, neuropathy.
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Description
Test your knowledge on the key aspects of diabetes management, including diet, insulin types, exercise considerations, and complications. Understand the differences between type 1 and type 2 diabetes, as well as essential protocols for diabetic patients.