A nurse administers NPH insulin to a post-op patient (2 days post-appendectomy) at 8:00 am. At 2:00 pm, the patient is found guarding his right lower abdomen, extremely lethargic but conscious, diaphoretic, and slightly combative.
The patient’s vital signs are: T=99.1, HR=80, BP=109/62, RR=18, SPO2=97%. What should the nurse do first?
Assess the patient’s blood sugar using a bedside finger stick blood glucose test.
Administer the next dose of insulin STAT.
Administer Narcan (Naloxone) STAT.
Administer 2L O2 via nasal cannula.
The Correct Answer is A
Choice A rationale:
Hypoglycemia is a critical consideration: The patient's symptoms of lethargy, diaphoresis, and combativeness, along with recent insulin administration, raise a strong suspicion of hypoglycemia (low blood sugar). Hypoglycemia can quickly progress to coma and seizures if not promptly treated, making it a high priority to assess and address.
Bedside glucose testing is rapid and reliable: A bedside finger stick blood glucose test is a quick, non-invasive, and accurate way to determine the patient's blood sugar level. It provides immediate results, allowing for prompt intervention if hypoglycemia is confirmed.
Other assessments and interventions can follow: Once hypoglycemia is ruled out or confirmed, the nurse can proceed with other assessments and interventions as needed.
Choice B rationale:
Insulin administration without blood sugar confirmation is dangerous: Administering insulin without first checking the patient's blood sugar could worsen hypoglycemia if it is already present. This could lead to severe complications, including neurological damage or even death.
Insulin timing is not a priority: While the next dose of insulin may be due, its administration is not the most urgent priority in this situation. Addressing the patient's immediate symptoms and potential hypoglycemia takes precedence.
Choice C rationale:
Naloxone is not indicated for hypoglycemia: Naloxone is an opioid antagonist used to reverse opioid overdose. It has no effect on hypoglycemia and would not be appropriate in this case.
Choice D rationale:
Oxygen therapy may not address the underlying issue: While oxygen therapy can be beneficial for patients with respiratory distress, it does not address the potential hypoglycemia in this case. If the patient's lethargy and combativeness are due to low blood sugar, oxygen therapy alone would not be sufficient treatment.
Oxygen saturation is already within normal limits: The patient's oxygen saturation (SPO2) is 97%, indicating that their oxygenation is currently adequate. Oxygen therapy would not be indicated unless there were signs of hypoxia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Incorrect. Insulin pumps should be removed before bathing or swimming to prevent damage to the device. Water can enter the pump through the infusion set or through the battery compartment, causing it to malfunction. This can lead to inaccurate insulin delivery, which can result in hyperglycemia or hypoglycemia.
Additionally, the adhesive that holds the infusion set in place may not stick well to wet skin, which can increase the risk of the infusion set falling out.
It is important to note that some insulin pumps are now waterproof and can be worn while bathing or swimming. However, it is still important to check the manufacturer's instructions before doing so.
Choice B rationale:
Correct. Even though insulin pumps deliver insulin continuously, people who use them still need to monitor their blood glucose levels regularly. This is because many factors can affect blood glucose levels, such as food intake, exercise, stress, and illness.
Monitoring blood glucose levels allows people to adjust their insulin doses as needed to keep their blood glucose levels within a target range.
Recommended frequency of blood glucose monitoring:
Before meals and snacks Two hours after meals At bedtime
Before and after exercise During times of illness or stress
Whenever they feel symptoms of hypoglycemia or hyperglycemia
Choice C rationale:
Incorrect. People who use insulin pumps still need to count carbohydrates. This is because the amount of insulin that is needed to cover a meal depends on the amount of carbohydrates in the meal.
The insulin pump can be programmed to deliver different amounts of insulin for different meals, snacks, and corrections based on carbohydrate intake. This allows for more precise insulin dosing and better blood glucose control.
Choice D rationale:
Incorrect. Insulin pumps are not designed to help people lose weight. They are designed to help people manage their blood glucose levels.
While some people may lose weight when they start using an insulin pump, this is usually due to improved blood glucose control rather than the pump itself.
Correct Answer is A
Explanation
Choice A rationale:
Glucagon directly addresses the underlying issue of severe hypoglycemia: In a patient with Type 1 diabetes mellitus, a blood glucose level of 40 mg/dL signifies a critical condition known as severe hypoglycemia. This condition occurs when blood sugar levels drop dangerously low, depriving the brain and other vital organs of glucose, their primary source of energy. Glucagon, a hormone that acts opposite to insulin, is the most effective and rapid treatment for severe hypoglycemia. It works by stimulating the liver to release stored glucose into the bloodstream, quickly raising blood sugar levels and restoring normal brain function.
Rationale for other choices:
Choice B: Give orange juice: While orange juice contains carbohydrates that can raise blood sugar, it is not ideal for treating severe hypoglycemia due to its slower absorption rate compared to glucagon. In an unconscious patient, there's also a risk of aspiration if given orally.
Choice C: Perform CPR: CPR is not indicated in this scenario as the patient has a pulse. CPR is a lifesaving technique that is only used when a person's heart has stopped beating.
Choice D: Give insulin: Insulin, which lowers blood glucose, would be contraindicated in this situation as the patient is already experiencing severe hypoglycemia. Administering insulin would further decrease blood sugar levels, worsening the patient's condition.
Key points to remember:
Severe hypoglycemia is a medical emergency that requires prompt treatment with glucagon.
Glucagon is the only medication that can effectively and quickly raise blood glucose levels in severe hypoglycemia. It's crucial to administer glucagon as soon as possible to prevent irreversible brain damage or even death.
Healthcare professionals should be proficient in recognizing the signs and symptoms of severe hypoglycemia and administering glucagon appropriately.
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