A nurse is caring for a client who is receiving IV fluids to correct dehydration. Which of the following laboratory values should indicate to the nurse that the client is effectively responding to treatment?

Choice A Reason: This is correct because almonds are a rich source of magnesium, which is a mineral that is essential for nerve and muscle function, blood pressure regulation, and bone health. A serum magnesium level of 1.4 mg/dL indicates hypomagnesemia, which is a low level of magnesium in the blood. Hypomagnesemia can cause muscle weakness, cramps, tremors, seizures, and cardiac arrhythmias. The nurse should encourage the patient to eat foods high in magnesium, such as almonds, which contain about 80 mg of magnesium per ounce.

Choice B Reason: This is incorrect because white rice is a poor source of magnesium, as most of the magnesium is lost during the refining process. White rice contains only about 19 mg of magnesium per cup, which is not enough to meet the daily requirement of 310 to 420 mg for adults. The nurse should advise the patient to choose whole grains instead of refined grains, as they have more magnesium and other nutrients.

Choice C Reason: This is incorrect because seafood is a moderate source of magnesium, but not as high as almonds or other nuts and seeds. Seafood contains about 30 to 50 mg of magnesium per 3-ounce serving, depending on the

type and preparation method. The nurse should inform the patient that seafood can be part of a balanced diet, but it

is not the best choice for increasing magnesium intake.

Choice D Reason: This is incorrect because lean red meat is a low source of magnesium, as most of the magnesium is found in the bones and organs of animals. Lean red meat contains only about 20 mg of magnesium per 3-ounce serving, which is less than 10% of the daily requirement. The nurse should caution the patient that lean red meat can also be high in saturated fat and cholesterol, which can increase the risk of cardiovascular disease.

Choice E Reason: This is incorrect because romaine letuce is a very low source of magnesium, as most leafy greens have low mineral content due to their high water content. Romaine letuce contains only about 7 mg of magnesium per cup, which is negligible compared to the daily requirement. The nurse should suggest the patient to add other vegetables that are higher in magnesium, such as spinach, broccoli, or potatoes, to their salads.

Choice A: Kussmaul respirations are a sign of metabolic acidosis, which is a condition that occurs when the body produces too much acid or loses too much bicarbonate. This can happen in patients with diabetes mellitus who develop diabetic ketoacidosis (DKA), a serious complication that results from insufficient insulin and high blood glucose levels. Kussmaul respirations are deep, rapid, and labored breathing that helps to eliminate excess carbon dioxide and acid from the blood.

Choice B: Cold, clammy skin is not a sign of metabolic acidosis, but rather of hypoglycemia, which is a condition that occurs when the blood glucose level is too low. This can happen in patients with diabetes mellitus who take too much insulin or oral hypoglycemic agents, skip meals, or exercise excessively. Cold, clammy skin is caused by vasoconstriction and sweating that occur as the body tries to increase blood glucose levels.

Choice C: Dysrhythmias are a sign of metabolic acidosis, because acidosis affects the electrical activity of the heart and can cause irregular heartbeats. Dysrhythmias can also result from electrolyte imbalances, such as hyperkalemia, which is a condition that occurs when the blood potassium level is too high. This can happen in patients with metabolic acidosis who have impaired renal function and cannot excrete excess potassium.

Choice D: Tachycardia is a sign of metabolic acidosis, because acidosis stimulates the sympathetic nervous system and increases the heart rate. Tachycardia can also result from dehydration, which is a common complication of DKA due to excessive fluid loss from vomiting, diarrhea, and polyuria.

Choice E: Weakness is a sign of metabolic acidosis because acidosis reduces the availability of oxygen and nutrients to the tissues and muscles. Weakness can also result from hypovolemia, which is a condition that occurs when the blood volume is too low. This can happen in patients with metabolic acidosis who have severe fluid loss and hypotension.