Fluid & Electrolytes Quiz

Fluid & Electrolytes Quiz

by Ginny Bayes

​What about dextrose-containing fluids?

Multiple Choice

A patient has a calcium level of 7.2 mg/dL. What assessment finding below is indicative of this lab value?

• Muscle flaccidity

• Hypoactive bowel sounds

• Elevated blood pressure

• Prolonged QTc interval

Multiple Choice

A patient has a sodium level of 119 mEq/L. Which of the following etiologies is

NOT related to this finding?

• Oversecretion of ADH (antidiuretic hormone)

• Low salt diet

• Inadequate water intake

• Hypotonic fluid infusion (overload)

Multiple Choice

A patient’s blood tests show they have a critically low parathyroid hormone (PTH). What effect would this have on phosphate and calcium levels in the blood?

• Phosphate levels high, calcium levels low

• Phosphate and calcium levels high

• Phosphate and calcium levels low

• Phosphate levels low, calcium levels high

Multiple Choice

A patient with a magnesium level of 4.6 may exhibit all of the following

signs and symptoms except:

• Hypotension

• Lethargy

• Respiratory depression

• Brisk DTRs

Multiple Choice

Which patient is at risk for hyperkalemia?

• Patient taking torsemide BID

• Patient with Cushing’s Syndrome

• Patient with Addison’s Disease

• Patient with nasogastric suction

Multiple Choice

A patient has a chloride level of 70 mEq/L.

Which condition below can cause this finding?

• Cystic Fibrosis

• Metabolic acidosis

• Hypertonic fluids

• Insulinoma of the pancreas

Multiple Choice

Which IV solution is contraindicated in a patient with cerebral edema?

• D5LR

• 3% hypertonic saline

• D5 0.45% NS

• D5 0.9% NS

Multiple Choice

A patient is admitted with the following findings: heart rate of 119, blood pressure of 80/62, 0.3 ml/kg/hr urinary output, and sodium level of 160. What order would you expect for this patient?

• Restrict fluid intake and monitor daily weights

• Administer 5% Dextrose 0.45% Sodium Chloride and monitor serum sodium level every 4 hours

• Administer hypotonic IV fluid and administer sodium tablets BID

• Ringer’s lactate infusion: IV fluid rate to match hourly urine output

Multiple Choice

What is the cause of the cascade in the pictogram?

• Clostridium difficile infection with excessive diarrhea

• Heart failure exacerbation

• Cerebral salt wasting syndrome

• Diabetes insipidus

Multiple Choice

On admission, a patient's blood alcohol level is greater than 400 mg/dL. The patient reports drinking a 12 pack of beer on a daily basis. Which of the following conditions is this patient MOST at risk for?

• Hypomagnesemia

• Hypermagnesemia

• Hyponatremia

• Hypernatremia