Magnesium in the Body

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What is the most severe consequence of hypermagnesemia levels greater than 12 mg/dL?

Decreased respiratory rate

Hypotension

Cardiac arrest and death (correct)

Muscle flaccid paralysis

Which of the following tests is NOT recommended for diagnosing hypermagnesemia?

Serum blood magnesium test

Chest X-ray (correct)

Urinary output monitoring

Basic metabolic panel (BMP) or comprehensive metabolic panel (CMP)

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 (correct)

Paralysis of the diaphragm

Increased deep tendon reflexes

Muscle spasms

What is the first step in treating a client with mild hypermagnesemia?

Eliminate intake of magnesium through sources such as supplements, laxatives, or antacids Signup and view all the answers

Which electrolyte disturbance may occur if a client with hypermagnesemia is receiving IV diuretics?

Hyponatremia Signup and view all the answers

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 Signup and view all the answers

Which of the following is a common symptom of hypermagnesemia that may be present?

Flushing Signup and view all the answers

Why is it important to perform repeat laboratory tests after treating a client for severe hypermagnesemia?

Both a and b Signup and view all the answers

What is the primary role of magnesium in the body?

To regulate nerve and muscle function Signup and view all the answers

Where is the majority of the body's magnesium stored?

In the bones Signup and view all the answers

How can magnesium be obtained in the diet?

Both A and B Signup and view all the answers

What is the recommended daily allowance (RDA) for magnesium intake for adult males?

400 to 420 mg/day Signup and view all the answers

What is considered a hypomagnesemic level of magnesium in the body?

Less than 1.3 mEq/L Signup and view all the answers

How is magnesium eliminated from the body?

Through urine and feces Signup and view all the answers

Which condition is NOT a potential cause of hypomagnesemia?

Hyperkalemia Signup and view all the answers

Which medication class is mentioned as potentially leading to magnesium loss?

Diuretics Signup and view all the answers

At what approximate magnesium level do clinical signs of hypomagnesemia typically begin to occur?

< 1.2 mg/dL Signup and view all the answers

Which food mentioned in the text is NOT a good source of magnesium?

Broccoli Signup and view all the answers

Which statement about hypermagnesemia is TRUE?

Kidney disease is the most common cause. Signup and view all the answers

Which neurological symptom may occur with severely elevated magnesium levels?

Blurred vision Signup and view all the answers

What is the most severe consequence of hypermagnesemia levels greater than 12 mg/dL?

Cardiac arrest and death Signup and view all the answers

Which statement about hypermagnesemia is TRUE?

Hypermagnesemia can be treated by decreasing magnesium intake and promoting urination. Signup and view all the answers

Which neurological symptom may occur with severely elevated magnesium levels?

Decreased deep tendon reflexes Signup and view all the answers

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 Signup and view all the answers

Which of the following is a common symptom of hypermagnesemia that may be present?

Constipation Signup and view all the answers

Which of the following tests is NOT recommended for diagnosing hypermagnesemia?

Liver function test Signup and view all the answers

Why is it important to perform repeat laboratory tests after treating a client for severe hypermagnesemia?

All of the above Signup and view all the answers

Which medication class is mentioned as potentially leading to magnesium loss?

Diuretics Signup and view all the answers

What is the first step in treating a client with mild hypermagnesemia?

Eliminate intake of magnesium sources Signup and view all the answers

Which of the following is NOT a potential cause of hypomagnesemia?

Hypermagnesemia Signup and view all the answers

What is the expected reference range for magnesium levels in the body?

1.3 to 2.1 mEq/L Signup and view all the answers

What percentage of the body's store of magnesium is typically found in the bones?

50% to 60% Signup and view all the answers

Which of the following is NOT a common method of magnesium intake as mentioned in the text?

Magnesium-rich water Signup and view all the answers

What is the RDA for daily intake of magnesium for adult women?

310 to 320 mg/day Signup and view all the answers

Which electrolyte disturbance occurs when magnesium levels fall below 1.3 mEq/L?

Hypomagnesemia Signup and view all the answers

In what range do critical values for magnesium levels fall as mentioned in the text?

< 0.5 mEq/L or > 3 mEq/L Signup and view all the answers

Which of the following is NOT a potential cause of hypomagnesemia mentioned in the text?

Dehydration Signup and view all the answers

What is the recommended treatment for a client experiencing moderate manifestations of hypomagnesemia?

Oral magnesium replacement Signup and view all the answers

Which of the following is a potential side effect of intravenous administration of magnesium?

Flushing and sweating Signup and view all the answers

What is the most common cause of hypermagnesemia?

Acute or chronic kidney disease Signup and view all the answers

At what approximate magnesium level do clinical signs of hypermagnesemia typically begin to occur?

Above 7 mg/dL Signup and view all the answers

Which of the following is a potential consequence of untreated severe hypermagnesemia (levels greater than 12 mg/dL)?

All of the above Signup and view all the answers

Which of the following foods is NOT a good source of dietary magnesium according to the text?

Tomatoes Signup and view all the answers

Which of the following medications is NOT mentioned in the text as potentially leading to magnesium loss?

Antidepressants Signup and view all the answers

What is the purpose of performing an ECG in a client with suspected hypermagnesemia?

To monitor for cardiac dysrhythmias Signup and view all the answers

Which of the following is a recommended approach for managing a client with severe hypermagnesemia?

Monitoring for and correcting any concurrent electrolyte imbalances Signup and view all the answers

Magnesium in the Body

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Questions and Answers

What is the most severe consequence of hypermagnesemia levels greater than 12 mg/dL?

Which of the following tests is NOT recommended for diagnosing hypermagnesemia?

What is the primary effect of high magnesium levels (10 mEq/L or greater) on the neuromuscular system?

What is the first step in treating a client with mild hypermagnesemia?

Which electrolyte disturbance may occur if a client with hypermagnesemia is receiving IV diuretics?

What is the purpose of cardiac monitoring for a client receiving treatment for severe hypermagnesemia?

Which of the following is a common symptom of hypermagnesemia that may be present?

Why is it important to perform repeat laboratory tests after treating a client for severe hypermagnesemia?

What is the primary role of magnesium in the body?

Where is the majority of the body's magnesium stored?

How can magnesium be obtained in the diet?

What is the recommended daily allowance (RDA) for magnesium intake for adult males?

What is considered a hypomagnesemic level of magnesium in the body?

How is magnesium eliminated from the body?

Which condition is NOT a potential cause of hypomagnesemia?

Which medication class is mentioned as potentially leading to magnesium loss?

At what approximate magnesium level do clinical signs of hypomagnesemia typically begin to occur?

Which food mentioned in the text is NOT a good source of magnesium?

Which statement about hypermagnesemia is TRUE?

Which neurological symptom may occur with severely elevated magnesium levels?

What is the most severe consequence of hypermagnesemia levels greater than 12 mg/dL?

Which statement about hypermagnesemia is TRUE?

Which neurological symptom may occur with severely elevated magnesium levels?

What is the primary effect of high magnesium levels (10 mEq/L or greater) on the neuromuscular system?

Which of the following is a common symptom of hypermagnesemia that may be present?

Which of the following tests is NOT recommended for diagnosing hypermagnesemia?

Why is it important to perform repeat laboratory tests after treating a client for severe hypermagnesemia?

Which medication class is mentioned as potentially leading to magnesium loss?

What is the first step in treating a client with mild hypermagnesemia?

Which of the following is NOT a potential cause of hypomagnesemia?

What is the expected reference range for magnesium levels in the body?

What percentage of the body's store of magnesium is typically found in the bones?

Which of the following is NOT a common method of magnesium intake as mentioned in the text?

What is the RDA for daily intake of magnesium for adult women?

Which electrolyte disturbance occurs when magnesium levels fall below 1.3 mEq/L?

In what range do critical values for magnesium levels fall as mentioned in the text?

Which of the following is NOT a potential cause of hypomagnesemia mentioned in the text?

What is the recommended treatment for a client experiencing moderate manifestations of hypomagnesemia?

Which of the following is a potential side effect of intravenous administration of magnesium?

What is the most common cause of hypermagnesemia?

At what approximate magnesium level do clinical signs of hypermagnesemia typically begin to occur?

Which of the following is a potential consequence of untreated severe hypermagnesemia (levels greater than 12 mg/dL)?

Which of the following foods is NOT a good source of dietary magnesium according to the text?

Which of the following medications is NOT mentioned in the text as potentially leading to magnesium loss?

What is the purpose of performing an ECG in a client with suspected hypermagnesemia?

Which of the following is a recommended approach for managing a client with severe hypermagnesemia?

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