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d. Phosphorus falling to 2.1 mg/dL - Answers✔d. Calcium has an inverse relationship with
phosphorus in the body. When phosphorus levels fall, calcium rises, and vice versa. Normal
phosphorus levels are 2.4-4.4 mg/dL.
.
You are caring for a patient admitted with heart failure. The morning laboratory results reveal a
serum potassium level of 2.9 mEq/L. Which classification of medications should you withhold
until consulting with the physician?
a. Antibiotics
b. Loop diuretics
c. Bronchodilators
d. Antihypertensives - Answers✔b. Loop diuretics cause the kidneys to excrete sodium and
potassium. Thus administration of this type of medication at this time would worsen the
hypokalemia, putting the patient at risk for dysrhythmias.
Instead, the prescribing physician should be consulted for potassium replacement therapy, and
the drug should be withheld until the potassium has returned to normal range.
You are caring for an older patient who is receiving IV fluids postoperatively. During the 8:00
AM assessment of this patient, you note that the IV solution, which was ordered to infuse at
125 mL/hr, has infused 950 mL since it was hung at 4:00 AM. What is the priority nursing
intervention?
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