Understanding Diabetes Mechanism

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Questions and Answers

What is the primary cause of Type 1 diabetes?

  • Insulin resistance at the cell level
  • Autoimmune destruction of beta cells (correct)
  • Decreased insulin secretion by alpha cells
  • Overproduction of glucagon

How does insulin deficiency in diabetes affect glucose levels in the blood?

  • Has no effect on plasma glucose levels
  • Reduces plasma glucose levels
  • Causes elevated plasma glucose levels (correct)
  • Causes erratic fluctuations in plasma glucose levels

What happens to excess glucose in diabetes?

  • Passes through the renal glomeruli and raises osmotic pressure (correct)
  • Is converted into fat and stored in adipose tissue
  • Is excreted through the lungs
  • Gets stored in the liver and muscles as glycogen

What is the primary cause of Type 2 diabetes?

<p>Combination of insulin resistance and relative insulin deficiency (C)</p> Signup and view all the answers

How does insulin normally affect glucose uptake into cells?

<p>Stimulates uptake of glucose into liver, muscle, and adipose tissue (A)</p> Signup and view all the answers

Which condition can result from a thrombus in the coronary artery?

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

What can cause the development of a thrombus in a vein?

<p>Period of incapacity, such as following surgery (D)</p> Signup and view all the answers

What is the result of thromboembolism?

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

What may contribute to the formation of a thrombus within an intact blood vessel?

<p>Fatty deposits stuck to the inside of arterial walls (C)</p> Signup and view all the answers

In which condition does a thrombus reduce the oxygenated blood flow to part of the brain?

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

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