46 Questions
What is the most severe consequence of hypermagnesemia levels greater than 12 mg/dL?
Cardiac arrest and death
Which of the following tests is NOT recommended for diagnosing hypermagnesemia?
Chest X-ray
What is the primary effect of high magnesium levels (10 mEq/L or greater) on the neuromuscular system?
Muscle weakness and loss of deep tendon reflexes
What is the first step in treating a client with mild hypermagnesemia?
Eliminate intake of magnesium through sources such as supplements, laxatives, or antacids
Which electrolyte disturbance may occur if a client with hypermagnesemia is receiving IV diuretics?
Hyponatremia
What is the purpose of cardiac monitoring for a client receiving treatment for severe hypermagnesemia?
To detect any changes in the client's heart rhythm due to the hypermagnesemia
Which of the following is a common symptom of hypermagnesemia that may be present?
Flushing
Why is it important to perform repeat laboratory tests after treating a client for severe hypermagnesemia?
Both a and b
What is the primary role of magnesium in the body?
To regulate nerve and muscle function
Where is the majority of the body's magnesium stored?
In the bones
How can magnesium be obtained in the diet?
Both A and B
What is the recommended daily allowance (RDA) for magnesium intake for adult males?
400 to 420 mg/day
What is considered a hypomagnesemic level of magnesium in the body?
Less than 1.3 mEq/L
How is magnesium eliminated from the body?
Through urine and feces
Which condition is NOT a potential cause of hypomagnesemia?
Hyperkalemia
Which medication class is mentioned as potentially leading to magnesium loss?
Diuretics
At what approximate magnesium level do clinical signs of hypomagnesemia typically begin to occur?
< 1.2 mg/dL
Which food mentioned in the text is NOT a good source of magnesium?
Broccoli
Which statement about hypermagnesemia is TRUE?
Kidney disease is the most common cause.
Which neurological symptom may occur with severely elevated magnesium levels?
Blurred vision
What is the most severe consequence of hypermagnesemia levels greater than 12 mg/dL?
Cardiac arrest and death
Which statement about hypermagnesemia is TRUE?
Hypermagnesemia can be treated by decreasing magnesium intake and promoting urination.
Which neurological symptom may occur with severely elevated magnesium levels?
Decreased deep tendon reflexes
What is the primary effect of high magnesium levels (10 mEq/L or greater) on the neuromuscular system?
Decreased deep tendon reflexes and muscle weakness
Which of the following is a common symptom of hypermagnesemia that may be present?
Constipation
Which of the following tests is NOT recommended for diagnosing hypermagnesemia?
Liver function test
Why is it important to perform repeat laboratory tests after treating a client for severe hypermagnesemia?
All of the above
Which medication class is mentioned as potentially leading to magnesium loss?
Diuretics
What is the first step in treating a client with mild hypermagnesemia?
Eliminate intake of magnesium sources
Which of the following is NOT a potential cause of hypomagnesemia?
Hypermagnesemia
What is the expected reference range for magnesium levels in the body?
1.3 to 2.1 mEq/L
What percentage of the body's store of magnesium is typically found in the bones?
50% to 60%
Which of the following is NOT a common method of magnesium intake as mentioned in the text?
Magnesium-rich water
What is the RDA for daily intake of magnesium for adult women?
310 to 320 mg/day
Which electrolyte disturbance occurs when magnesium levels fall below 1.3 mEq/L?
Hypomagnesemia
In what range do critical values for magnesium levels fall as mentioned in the text?
< 0.5 mEq/L or > 3 mEq/L
Which of the following is NOT a potential cause of hypomagnesemia mentioned in the text?
Dehydration
What is the recommended treatment for a client experiencing moderate manifestations of hypomagnesemia?
Oral magnesium replacement
Which of the following is a potential side effect of intravenous administration of magnesium?
Flushing and sweating
What is the most common cause of hypermagnesemia?
Acute or chronic kidney disease
At what approximate magnesium level do clinical signs of hypermagnesemia typically begin to occur?
Above 7 mg/dL
Which of the following is a potential consequence of untreated severe hypermagnesemia (levels greater than 12 mg/dL)?
All of the above
Which of the following foods is NOT a good source of dietary magnesium according to the text?
Tomatoes
Which of the following medications is NOT mentioned in the text as potentially leading to magnesium loss?
Antidepressants
What is the purpose of performing an ECG in a client with suspected hypermagnesemia?
To monitor for cardiac dysrhythmias
Which of the following is a recommended approach for managing a client with severe hypermagnesemia?
Monitoring for and correcting any concurrent electrolyte imbalances
Learn about the importance of magnesium in the body, its role in nerve and muscle function, bone health, and more. Understand how magnesium is absorbed through digestion of whole foods and its impact on blood pressure and glucose levels.
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