Nephrology: Causes of Nonresponse

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Questions and Answers

What is the primary cause of low ADH levels in Central Diabetes Insipidus?

  • Electrolyte imbalance in the body
  • Damage to the hypothalamus or pituitary gland (correct)
  • Dehydration due to lack of water intake
  • Inflammation of the distal convoluted tubule

What is the term for the process of re-absorbing substances into the body?

  • Resorption
  • Absorption
  • Reabsorption (correct)
  • Desorption

What is the term for the type of dehydration characterized by water loss and an increase in electrolytes?

  • Isotonic dehydration
  • Hypertonic dehydration (correct)
  • Hypotonic dehydration
  • Dehydration due to lack of water

What is the result of a lack of ADH production in the hypothalamus?

<p>Polyuria and hypertonic dehydration (B)</p> Signup and view all the answers

Which type of diabetes insipidus is characterized by the DCT not responding to ADH's instructions to reabsorb water?

<p>Nephrogenic Diabetes Insipidus (C)</p> Signup and view all the answers

What is the cause of polyuria in Nephrogenic Diabetes Insipidus?

<p>Non-response of the DCT to ADH (C)</p> Signup and view all the answers

What is a cause of nephrogenic diabetes insipidus?

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

What is a potential complication of sickle cell anemia?

<p>Sickle cell nephropathy (A)</p> Signup and view all the answers

What is a cause of gestational diabetes insipidus?

<p>Placental production of vasopressinase (A)</p> Signup and view all the answers

What is a characteristic symptom of diabetes insipidus?

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

What is a common laboratory finding in diabetes insipidus?

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

What is the main cause of diabetes insipidus?

<p>Tumors at the hypothalamus or pituitary gland (C)</p> Signup and view all the answers

What is a risk factor for acute kidney injury?

<p>All of the above (D)</p> Signup and view all the answers

What is the function of osmoreceptors in the body?

<p>To detect water pressure in the body (B)</p> Signup and view all the answers

Which hormone is involved in milk production in mammary glands?

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

What is another name for antidiuretic hormone?

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

What is the result of high blood osmolarity in the body?

<p>The blood is concentrated and 'thick' (B)</p> Signup and view all the answers

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