Which electrolyte imbalance is most concerning for a patient on loop diuretics?

Correct Answer: A

Rationale: The correct answer is hypokalemia. Loop diuretics can cause potassium depletion leading to hypokalemia, which is particularly concerning as it can result in cardiac arrhythmias. Hyponatremia (choice B) is not typically associated with loop diuretics. Hyperkalemia (choice C) is less common in patients on loop diuretics. Hypercalcemia (choice D) is not a typical electrolyte imbalance associated with loop diuretics.

Correct Answer: A

Rationale: Naloxone is the correct answer. Naloxone is the standard medication for reversing opioid overdose by blocking opioid receptors. Choice B, Epinephrine, is used to treat severe allergic reactions (anaphylaxis) and cardiac arrest, not opioid overdose. Choice C, Lidocaine, is a local anesthetic used for numbing purposes and managing certain types of arrhythmias, not for opioid overdose. Choice D, Atropine, is used to treat bradycardia, organophosphate poisoning, and nerve agent toxicity, not opioid overdose.

Correct Answer: A

Rationale: The correct answer is to administer epinephrine. Epinephrine is the first-line treatment for a severe allergic reaction as it helps to constrict blood vessels, increase heart rate, and open airways, thereby improving breathing and circulation. Discontinuing the medication may not be sufficient to manage a severe allergic reaction as the allergen is already in the patient's system. Corticosteroids and antihistamines can be considered as complementary treatments but are not the primary immediate intervention required for a severe allergic reaction.

Correct Answer: A

Rationale: The correct answer is to administer oxygen. Post-surgery, confusion in a patient could be due to hypoxia, a condition where the body is deprived of an adequate oxygen supply. Administering oxygen helps address hypoxia promptly, improving oxygen levels in the body and potentially resolving the confusion. Repositioning the patient, checking oxygen saturation, and performing a neurological exam may be important interventions but addressing hypoxia with oxygen administration takes precedence as the priority action.

Correct Answer: A

Rationale: Administering analgesics is the most effective intervention for a patient experiencing acute pain as it directly targets the pain receptors and provides relief. Repositioning the patient may help in some cases, but it is not the primary intervention for managing acute pain. Non-pharmacological interventions can be beneficial as adjuncts to pain management but might not provide immediate relief. Administering IV fluids is not a standard intervention for acute pain unless dehydration is contributing to the pain.