Science Quiz / Water and Sodium Disorders

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Can you name the Water and Sodium Disorders?

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QuestionAnswerExtra Info
Condition where renal tubules do not respond normally to ADH
_______ secretion is stimulated in conditions of volume depletion or hypertonicity, causing water to be reabsorbed and a concentrated urine to be excreted
This type of hypotonic hyponatremia is a result of SIADH (syndrome of inappropriate secretion of ADH), or hypothyroidism
What is the treatment for central DI?nasal spray
Decreased ADH production due to a primary increase in water intake in psychogenic (primary) polydipsia induces
Where does demyelination occur in osmotic demyelination?
In diabetes insipidus this is the additional symptom in hypernatremia
This type of hypotonic hyponatremia is a result of contracted ECF volume from diarrhea, vomiting, etc
Loss of potassium from EFC causes movement of potassium___ of the ICF
Rapid correction of chronic hyponatremia may casue
A condition that reflects the inability of the kidneys to handle the excretion of free water to match oral intake
Hypernatremia is defined as plasma sodium above:
This type of hypotonic hyponatremia is a result of chronic congestive heart failure, portal hypertension or nephrotic syndrome
Acute hyponatremia can cause death from the effects of
Polyuria is defined as an output of > ____ L/day
Hyponatremia is a plasma sodium concentration of less than
The most common cause of acute hyponatremia is
CNS effects in hypernatremia are due to:
_______ is suppressed in conditions of hypotonicity, causing a dilute urine
Do not increase plasma sodium concentration more than _____ mEq/L/day
THis provides the ultimate protection against hypernatremia
Hypoosmolarity is a serum osmolarity of less than:mOsm/kg
In hypernatremia correct ___% of the water deficit in the first 12-24 hours
Thrist is stimulated when serum osmolarity rises above _______ mOsm/kg
What is the treatment for nephrogenic DI?
What is the mechanism for hypernatremia in diabetes insipidus?
This condition is usually the result of severe hyperglycemia, which causes a dillutional effect by shifting water out of the ICF
Ingestion of hypertonic NaCl or sodium bicarbonate can lead to this:
What is the treatment for psychogenic (primary) polydipsia?Manage psychiatric disorder and avoid drugs that cause dry mouth
An elderly patient with diminished mental status has an infection. What is their likely sodium status?

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