If both Insulin glargine (Lantus) and insulin lispro (Humalog) are due simultaneously, the nurse can mix the two insulins in the same syringe and administer them as one injection.
True.
False.
The Correct Answer is B
Choice A rationale
Mixing insulin glargine and lispro in the same syringe is contraindicated due to their incompatible chemical formulations. Glargine’s acidic pH alters lispro’s effectiveness when mixed, impairing glycemic control. Separate administration preserves their individual pharmacokinetics and therapeutic actions.
Choice B rationale
Separate injections ensure each insulin maintains its unique action profile. Glargine provides basal control, while lispro manages rapid postprandial spikes. Their chemical incompatibility mandates separate administration, optimizing glycemic management and reducing potential adverse effects from mixed formulations.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D"]
Explanation
Choice A rationale
Keeping the patient NPO minimizes gastrointestinal motility and prevents further accumulation of intestinal contents, reducing the risk of perforation and worsening obstruction. Bowel rest is crucial in promoting resolution.
Choice B rationale
Nasogastric tube placement alleviates distention by decompressing the stomach and removing gastric contents, reducing vomiting and the risk of aspiration while improving patient comfort.
Choice C rationale
Rectal tubes are not effective in decompressing small bowel obstructions since the obstruction prevents material from reaching the rectum.
Choice D rationale
Frequent oral care prevents mucosal dryness and infection risk in patients who are NPO and receiving suction therapy, promoting overall oral hygiene.
Correct Answer is B
Explanation
Choice A rationale
Administering 1 mg of glucagon intramuscularly stimulates glycogenolysis in the liver, increasing blood glucose levels. However, it is slower in onset compared to IV dextrose, which is critical in a non-arousable patient with a dangerously low blood glucose level of 50 mg/dL. Time efficiency is vital in this emergency.
Choice B rationale
Administering 25 g of dextrose IV pushes glucose directly into the bloodstream, providing an immediate increase in blood glucose. This is the most appropriate action for a non-arousable, hypoglycemic patient. Normal blood glucose ranges between 70-100 mg/dL fasting, making this an emergency requiring prompt correction.
Choice C rationale
Encouraging the patient to eat may be effective in mild hypoglycemia, but not for a critically low level like 50 mg/dL in a non-arousable patient. This delay can result in prolonged neuroglycopenic effects, worsening the patient’s condition.
Choice D rationale
Administering 7 units of Humalog insulin would worsen the hypoglycemia by facilitating glucose uptake into cells, which is contraindicated in this situation. Instead, glucose administration is required to correct the hypoglycemia immediately.
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