15 Questions
What are the signs and symptoms of hypernatremia?
Thirst, CNS deterioration, increased interstitial fluid
In hypovolemic hyponatremia, what can lead to the patient becoming dehydrated?
Vomiting, diarrhea
What distinguishes hypervolemic hyponatremia from hypovolemic hyponatremia?
Fluid overload and sodium dilution
Which condition is NOT associated with hyponatremia?
Thirst
What is a common cause of hypernatremia according to the text?
Excessive infusion of saline
Which electrolyte controls the electrical signal of the myocardium to ensure proper heart function?
Potassium
What is a potential consequence of hyperkalemia in the body?
Ventricular fibrillation
Which electrolyte enters the cells of the heart and arteries, causing them to constrict or contract?
Calcium
What is a potential symptom of hypocalcemia related to neuromuscular function?
Muscle twitching
Which condition is associated with loss of deep tendon reflexes and depression of CNS due to electrolyte imbalance?
Hypermagnesemia
What is the primary intracellular cation responsible for conducting nerve impulses and muscle functions?
Potassium
In what body system does calcium primarily cause cells to constrict or contract?
Cardiovascular system
Which electrolyte imbalance can lead to seizures and coma resulting in irreversible brain damage?
Hypernatremia
What treatment approach is recommended for hypomagnesemia?
Magnesium replacement
What is a key consideration when administering IV potassium replacement therapy?
Avoid administration without dilution or agitation
This quiz covers the concepts of electrolytes, including homeostasis and imbalances. It also discusses electrolyte disorders, signs, and symptoms such as hypernatremia and hyponatremia.
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