What is the priority action for a patient experiencing chest pain from acute coronary syndrome?

Correct Answer: A

Rationale: The correct answer is to administer sublingual nitroglycerin. Nitroglycerin helps relieve chest pain by dilating blood vessels and improving blood flow to the heart, which is crucial in managing acute coronary syndrome. While obtaining IV access and checking cardiac enzymes are important steps in the assessment and management of acute coronary syndrome, administering nitroglycerin takes precedence to alleviate symptoms and reduce cardiac tissue damage. Administering aspirin is also essential in the treatment of acute coronary syndrome, but it is not the immediate priority in this scenario.

Correct Answer: A

Rationale: Monitoring blood glucose levels is crucial in patients receiving insulin who are at risk for hypoglycemia. Insulin can lower blood sugar levels, potentially leading to hypoglycemia, which can be harmful if not promptly recognized and managed. Checking blood glucose levels allows for early detection of low blood sugar levels, enabling timely interventions to prevent complications. Choices B, C, and D are incorrect as they do not directly relate to monitoring for hypoglycemia in patients receiving insulin.

Correct Answer: A

Rationale: The correct answer is A: Flattened T waves and prominent U waves. In hypokalemia, there is a decrease in potassium levels, which can lead to ECG changes such as flattened T waves and prominent U waves. These changes are classic findings associated with hypokalemia. Choices B (Elevated ST segments and wide QRS complexes), C (Tall T waves and flattened QRS complexes), and D (Widened QRS complexes and decreased P wave amplitude) are all incorrect. Elevated ST segments and wide QRS complexes are not typically seen in hypokalemia. Tall T waves and flattened QRS complexes, as well as widened QRS complexes and decreased P wave amplitude, do not represent the typical ECG changes seen in hypokalemia.

Correct Answer: A

Rationale: The correct answer is A: CD4 T-cell count below 180 cells/mm3. Monitoring the CD4 T-cell count is crucial in patients with HIV as it serves as a key indicator of immune function. A count below 180 cells/mm3 indicates severe immunocompromise and an increased risk of opportunistic infections. Choice B, serum albumin levels, though important for assessing nutritional status, is not the priority lab value for HIV monitoring. Choice C, white blood cell count, is a nonspecific measure of immune function and may not accurately reflect the status of the immune system in HIV patients. Choice D, hemoglobin levels, are essential for evaluating anemia but are not the primary lab value for monitoring HIV.

Correct Answer: A

Rationale: The correct answer is A, Albuterol via nebulizer. Albuterol is the first-line treatment for wheezing caused by an allergic reaction because it acts quickly to open the airways by relaxing the muscles in the air passages. Cromolyn (Choice B) is used for asthma prevention rather than acute wheezing. Methylprednisolone (Choice C) and Aminophylline (Choice D) are not the first-line treatments for acute wheezing in the setting of an allergic reaction.