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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?

Polyuria and hypertonic dehydration 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?

Nephrogenic Diabetes Insipidus Signup and view all the answers

What is the cause of polyuria in Nephrogenic Diabetes Insipidus?

Non-response of the DCT to ADH Signup and view all the answers

What is a cause of nephrogenic diabetes insipidus?

Lithium toxicity Signup and view all the answers

What is a potential complication of sickle cell anemia?

Sickle cell nephropathy Signup and view all the answers

What is a cause of gestational diabetes insipidus?

Placental production of vasopressinase Signup and view all the answers

What is a characteristic symptom of diabetes insipidus?

Polydipsia Signup and view all the answers

What is a common laboratory finding in diabetes insipidus?

Hypernatremia Signup and view all the answers

What is the main cause of diabetes insipidus?

Tumors at the hypothalamus or pituitary gland Signup and view all the answers

What is a risk factor for acute kidney injury?

All of the above Signup and view all the answers

What is the function of osmoreceptors in the body?

To detect water pressure in the body Signup and view all the answers

Which hormone is involved in milk production in mammary glands?

PRL Signup and view all the answers

What is another name for antidiuretic hormone?

Vasopressin Signup and view all the answers

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

The blood is concentrated and 'thick' Signup and view all the answers