Magnesium is located primarily in the bones an inside cells. It is responsible for neuromuscular function. Normal magnesium (Mg+) level is
0.5-1.5mEq/L
1.3-2.1 mEq/L
2.5-3.5 mEq/L
1.0-3.0 mEq/L
The Correct Answer is B
B. This range represents the normal serum magnesium level. It is important for maintaining neuromuscular function and other vital processes in the body.
A. This range is too low for normal serum magnesium levels. Magnesium levels below this range can indicate hypomagnesemia, which can lead to symptoms such as muscle cramps, tremors, and cardiac arrhythmias.
C. This range is too high for normal serum magnesium levels. Elevated magnesium levels (hypermagnesemia) can occur in conditions such as renal failure or excessive magnesium intake, leading to symptoms like weakness, decreased reflexes, and in severe cases, cardiac arrest.
D. While this range is broader and includes the correct normal range (1.3-2.1 mEq/L), it also includes values that are below and above normal. Values below 1.3 mEq/L can indicate hypomagnesemia, while values above 2.1 mEq/L can indicate hypermagnesemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
C. This method is recommended because it is less painful, as the sides of the fingertips have fewer nerve endings compared to the pads or 'balls' of the fingers.
A. Avoiding the use of the thumbs is not necessary unless they are calloused or used frequently for other tasks that could affect sensitivity.
B. Avoiding the use of the dominant hand's fingers are not necessary unless they are calloused or used frequently for other tasks that could affect sensitivity.
D. Using the ball of the finger is not recommended for blood glucose monitoring because it can be more painful and may lead to less blood flow, resulting in difficulty obtaining an adequate blood sample.
Correct Answer is B
Explanation
B. Before administering any medication, especially antibiotics like amoxicillin, the nurse must assess the patient for allergies or previous adverse reactions to amoxicillin or other beta-lactam antibiotics. Allergic reactions can range from mild rashes to severe anaphylactic reactions, so it's essential to confirm the
patient's allergy status and assess for any signs or symptoms of allergic reaction before proceeding with administration.
A. Flushing the IV site with normal saline is typically not required specifically before administering IV amoxicillin unless it is part of the institution's standard practice to flush all IV lines before and after medication administration.
C. While monitoring intake and output (I&O) is important for assessing fluid balance and kidney function, it is not directly necessary before administering IV amoxicillin unless there are specific concerns related to the patient's fluid status or renal function. However, it is good practice to have a general understanding of the patient's recent fluid intake and output patterns.
D. Creatinine clearance is a measure of kidney function. Checking the latest creatinine clearance result is important for assessing renal function, especially before administering medications excreted by the kidneys. However, amoxicillin is primarily excreted by the kidneys in its unchanged form, so knowing the patient's renal function status can help in determining the appropriate dosage or adjusting the dosing interval if necessary.
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