Diabetes Quiz - Causes and Characteristics

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Questions and Answers

Which medication is most likely to have contributed to the client's hyperglycemia?

  • Allopurinol
  • Prednisone (correct)
  • Phenelzine
  • Atenolol

What is a common characteristic of Type 1 Diabetes Mellitus?

  • Only seen during pregnancy
  • Insulin resistance
  • Decreased insulin secretion (correct)
  • Occurs predominantly in adults

Which of the following is NOT a common type of diabetes?

  • Type 1 Diabetes
  • Type 2 Diabetes
  • Hypertension-related Diabetes (correct)
  • Secondary Diabetes

What triggers glycogen glucose release during the fasting state?

<p>Glucagon (B)</p> Signup and view all the answers

During the fasting state, what metabolic processes occur when glucose is unavailable?

<p>Lipolysis and proteolysis (C)</p> Signup and view all the answers

What is the main difference between endogenous and exogenous insulin?

<p>Endogenous insulin is produced by the body, while exogenous insulin is injected. (D)</p> Signup and view all the answers

How does stress or surgery affect the insulin needs of a diabetic patient?

<p>It increases insulin resistance and may raise the insulin requirements. (A)</p> Signup and view all the answers

What is the main purpose of the hemoglobin A1C test in diabetes management?

<p>To monitor long-term blood glucose control. (C)</p> Signup and view all the answers

Which of the following is a common sign or symptom of type 2 diabetes?

<p>Frequent urination and increased thirst. (B)</p> Signup and view all the answers

During a fasting state, the body primarily obtains energy through which process?

<p>Gluconeogenesis. (A)</p> Signup and view all the answers

What distinguishes type 1 diabetes from type 2 diabetes?

<p>Type 1 diabetes is characterized by autoimmune destruction of insulin-producing cells. (D)</p> Signup and view all the answers

Which route of administration is NOT effective for insulin?

<p>Oral. (A)</p> Signup and view all the answers

Why is intensive insulin therapy considered the preferred regimen for managing diabetes?

<p>It helps achieve tighter blood glucose control. (B)</p> Signup and view all the answers

What is the primary cause of Type 1 Diabetes Mellitus?

<p>Genetic predisposition combined with environmental factors (D)</p> Signup and view all the answers

Which symptom is NOT commonly associated with the onset of Type 1 Diabetes Mellitus?

<p>Weight gain (D)</p> Signup and view all the answers

What percentage of normal beta-cell function is typically reduced before symptoms of Type 1 Diabetes Mellitus appear?

<p>80% to 90% (D)</p> Signup and view all the answers

In Type 1 Diabetes, which of the following clinical manifestations would most likely indicate the condition?

<p>Excessive thirst and frequent urination (B)</p> Signup and view all the answers

Which statement correctly describes the preclinical phase of Type 1 Diabetes Mellitus?

<p>A long preclinical period is characterized by the presence of antibodies. (B)</p> Signup and view all the answers

What is the primary role of insulin in the body?

<p>Stimulates glucose transport into cells (B)</p> Signup and view all the answers

What happens to insulin levels after carbohydrate absorption from the gastrointestinal tract is complete?

<p>They consistently decline toward preprandial values (B)</p> Signup and view all the answers

Which hormone primarily opposes the effects of insulin?

<p>Glucagon (A)</p> Signup and view all the answers

What is the effect of insulin on glucose storage in the liver and muscle?

<p>Stimulates glucose storage as glycogen (B)</p> Signup and view all the answers

Which of the following hormones is considered a counterregulatory hormone?

<p>Glucagon (A)</p> Signup and view all the answers

What happens during overnight fasting with respect to insulin levels?

<p>Insulin levels drop significantly (A)</p> Signup and view all the answers

What is the effect of insulin on fat deposition?

<p>Enhances fat deposition (C)</p> Signup and view all the answers

What triggers the pancreas to secrete insulin?

<p>A rise in blood glucose levels (A)</p> Signup and view all the answers

Which adipokine is associated with the regulation of glucose and fat metabolism?

<p>Leptin (C), Adiponectin (D)</p> Signup and view all the answers

What characterizes metabolic syndrome?

<p>Insulin resistance and abnormal fat distribution (A)</p> Signup and view all the answers

At what stage of pregnancy does gestational diabetes typically develop?

<p>24 to 28 weeks of gestation (C)</p> Signup and view all the answers

Which of the following is NOT a common cause for secondary diabetes?

<p>Genetic predisposition (C)</p> Signup and view all the answers

What symptom is most commonly associated with type 1 diabetes mellitus?

<p>Polydipsia (B)</p> Signup and view all the answers

What is a typical characteristic of clinical manifestations of type 2 diabetes mellitus?

<p>Recurrent infections (A)</p> Signup and view all the answers

Individuals with type 2 diabetes may experience all of the following symptoms except:

<p>Weight gain from excessive fat burning (A)</p> Signup and view all the answers

What can be a serious complication of untreated type 2 diabetes due to severe hyperglycemia?

<p>Hyperosmolar coma (B)</p> Signup and view all the answers

What is the minimum fasting plasma glucose level for diagnosing diabetes mellitus?

<p>7.0 mmol/L (B)</p> Signup and view all the answers

Which of the following is not a clinical manifestation of hyperglycemia?

<p>Bradycardia (D)</p> Signup and view all the answers

Which diagnostic test is used to determine glycemic levels over the past three months?

<p>Hemoglobin A1C test (A)</p> Signup and view all the answers

What is the ideal goal for A1C levels in diabetes management?

<p>7.0% (C)</p> Signup and view all the answers

Which factor is crucial before conducting a fasting plasma glucose test?

<p>No caloric intake for at least 8 hours (B)</p> Signup and view all the answers

Which of the following statements about glycated hemoglobin (A1C) is true?

<p>It reflects glucose attached to hemoglobin over approximately 120 days. (B)</p> Signup and view all the answers

What might cause rebound hypoglycemia in patients during a meal schedule?

<p>Skipping snacks entirely (A)</p> Signup and view all the answers

Which of the following symptoms is commonly associated with hypoglycemia?

<p>Weakness (C), Confusion (D)</p> Signup and view all the answers

Flashcards

Diabetes Mellitus (DM)

A chronic disease affecting how the body uses sugar (glucose).

Endogenous Insulin

Insulin produced by your own body.

Exogenous Insulin

Insulin injected into the body.

Type 1 Diabetes

An autoimmune disease where the body attacks the insulin-producing cells.

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Type 2 Diabetes

A condition where the body doesn't use insulin effectively or doesn't produce enough.

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Hemoglobin A1C

A test measuring average blood sugar levels over several months.

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Counterregulatory Hormones

Hormones that work against insulin's effects-including glucagon.

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Self-Monitoring of Blood Glucose (SMBG)

Checking blood sugar levels regularly at home to manage diabetes.

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Insulin's role in glucose

Insulin facilitates glucose transport into cells, reducing blood glucose levels.

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Insulin and glycogen storage

Insulin promotes the storage of glucose as glycogen in the liver and muscles.

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Gluconeogenesis inhibition

Insulin prevents the creation of glucose from other substances (gluconeogenesis).

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Counterregulatory hormones

Hormones that oppose insulin's effects, raising blood glucose levels.

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Blood glucose regulation

Insulin and glucagon work together to maintain a balanced level of blood glucose.

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Insulin secretion (bolus)

Rapid increase in insulin secretion after a meal, peaking about an hour later.

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Insulin secretion (basal)

Constant, lower level of insulin secretion between meals and during the night.

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Negative Feedback (glucose)

Rising blood glucose triggers insulin release, falling glucose triggers glucagon release.

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Hyperglycemia Cause

A medication (prednisone) can cause elevated fasting blood glucose.

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Type 1 Diabetes

Type 1 diabetes is an autoimmune condition affecting insulin secretion.

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Type 2 Diabetes

Type 2 diabetes, characterized by reduced insulin sensitivity or secretion.

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Fasting Blood Glucose Elevation

Elevated blood sugar levels when fasting (no food intake) can indicate disrupted glucose regulation.

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Counterregulatory Hormones

Hormones that oppose insulin's action, including glucagon, to regulate glucose.

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Type 1 Diabetes Onset

Type 1 diabetes develops gradually, with antibodies present in the body for months or years before symptoms appear. Symptoms often develop suddenly.

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Type 1 Diabetes Symptoms

Classic signs include excessive thirst (polydipsia), frequent urination (polyuria), and increased hunger (polyphagia). Weight loss is also common.

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Type 1 Diabetes Cause

Type 1 diabetes is an autoimmune disease where the body's immune system attacks and destroys insulin-producing cells in the pancreas. Genetics and viral exposure are possible contributing factors aside from the primary attack.

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Type 1 Diabetes Clinical Findings

A nurse caring for a patient with type 1 diabetes will likely observe excessive thirst, frequent urination, and increased hunger, along with weight loss.

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Type 1 Diabetes Early Manifestations

Symptoms include significant weight loss, excessive thirst, increased urination, and persistent hunger.

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Gestational Diabetes

Diabetes that develops during pregnancy often detected between 24-28 weeks.

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Type 2 Diabetes Onset

Gradual onset, person may go years with undetected high blood sugar.

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Type 1 Diabetes Symptoms

Classic symptoms include frequent urination, excessive thirst, and hunger. Also includes weight loss, weakness, and fatigue.

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Type 2 Diabetes Symptoms

Nonspecific; may include fatigue, weakness, recurring infections, yeast infections, slow wound healing, or vision changes.

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Metabolic Syndrome

Cluster of risk factors increasing diabetes and heart disease risk characterized by insulin resistance.

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Secondary Diabetes

Diabetes resulting from another medical condition like schizophrenia or Cushing's syndrome.

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Adipokines in Diabetes

Hormones produced by fat cells impacting glucose and fat metabolism and contributing to type 2 diabetes.

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Type 2 Diabetes Exclusion

A patient with type 2 diabetes would likely have ketones in the urine, whereas ketones are less likely in type 2 than 1

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Diabetes Diagnosis: FPG

Fasting plasma glucose (FPG) above 7.0 mmol/L is one way to diagnose diabetes. Fasting means no food for 8 hours or more.

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Diabetes Diagnosis: A1C

A1C, or glycated hemoglobin, measures average blood sugar over 3 months. A value of 6.5% or higher in adults usually indicates diabetes.

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Diabetes Diagnosis: 2hPG

2-hour post-75g oral glucose tolerance test (OGTT) blood sugar level of 11.1 mmol/L or higher can be a sign of diabetes.

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Random Blood Glucose

A random blood sugar measurement taken any time of day, regardless of when the last meal was.

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Hemoglobin A1C (HbA1c)

A test that measures the amount of glucose attached to hemoglobin in red blood cells over a 3 month period, reflecting average blood sugar control.

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Normal HbA1c range

An HbA1c range of 4 mmol/L usually indicates healthy blood sugar levels.

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Hypoglycemia Symptoms

Hypoglycemia (low blood sugar) can cause symptoms like palpitations, clammy skin, tremors, or bradycardia.

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Hyperglycemia Symptoms

Hyperglycemia (high blood sugar) symptoms can be abdominal cramps, blurred vision, headaches, increased urination, nausea, and vomiting.

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