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WorksheetsWater and electrolytes
Total questions: 10
Worksheet time: 10mins
Aldosterone acts by promoting:
excretion of potassium
Reabsorption of potassium
Reabsorption of sodium
Excretion of sodium
Reabsorption of sodium and excretion of potassium
ANP is produced by the atrial wall in response to
Aldosterone
Decreased BP
Kinins
Increased intravascular volume
When compared to ECF, ICF has:
low osmolarity
less chloride
greater volume
more glucose
Which of the following is not a cause of hypokalemia?
Renal tubular acisos
Crush injuries
Cushing's syndrome
GI losses
Insulin administration
A patient with untreated Adrenal insufficiency is liable to have:
Hypomagnesemia
Hypokalemia
Hyponatremia
Hypocalcemia
Which disorder may be caused by insufficient water intake , insufficient sodium excretion due to hormone imbalance ,renal failure ,corticosteroids , increased water loss due to fever , hyperventilation, increased metabolism ,and dehydration due to sweating , vomiting or diarrhea
hypocalcemia
hypernatremia
hyponatremia
hypervolemia
A patient is diagnosed with small cell carcinoma of the the lung. He presents to the emergency room with confusion and lethargy. His serum electrolytes show hyponatremia and urine osmolality is 140 Osm/kg. Which of the following is the most likely diagnosis in this patient?
SIADH
Cushing's syndrome
Addison's disease
Hyperthyroidism
When treating hyperglycemia with insulin, potassium is administered concomitantly. What is the effect of insulin on potassium?
Keeps potassium from being excreted in the urine
neutralizes potassium
Moves potassium into the cells
Moves potassium out of the cell
A 50 year old man is started on a loop diuretic as a part of treatment of his congestive cardiac failure. Loop diuretics may cause:
Hyperkalemia
Hypokalemia
Hypernatremia
Hypermagnesemia
While planning care for elderly individuals, it is essential to remember that the elderly are at a higher risk for developing dehydration because they have a(n):
Higher total body water volume
Increased tendency towards developing edema
Increase in thirst
Decreased muscle mass
