Correct Answer: A

Rationale: The correct answer is A: Administer epinephrine. Epinephrine is the first-line treatment for severe allergic reactions as it helps to reverse the symptoms quickly and prevent further complications. Administering corticosteroids (B) may be considered later for long-term management, but epinephrine is the immediate priority. Administering oxygen (C) may help with respiratory distress but does not address the underlying allergic reaction. Applying a cold compress (D) may provide temporary relief for local reactions but is not effective for a severe systemic allergic reaction.

Correct Answer: C

Rationale: The correct answer is C: Apply an airtight dressing. This is the first priority because it helps prevent air from entering the chest cavity, which can cause a tension pneumothorax. A tension pneumothorax can rapidly lead to respiratory distress and cardiac arrest. Applying an airtight dressing helps stabilize the condition until further medical intervention can be provided. Incorrect choices: A: Performing needle decompression is not the first priority as it is indicated for a tension pneumothorax once it has developed, not as a preventive measure. B: Applying a sterile dressing is important but not the first priority when dealing with a gunshot wound to the chest as sealing the wound to prevent air entry is more critical. D: Monitoring the client's ECG is not the first priority in this situation as addressing the potential tension pneumothorax takes precedence over monitoring the client's heart rhythm.

Correct Answer: C

Rationale: The correct answer is C: Monitor for transfusion reactions. When a client receiving a blood transfusion develops chills, it may indicate a transfusion reaction, such as a febrile non-hemolytic reaction. The nurse's first priority is to monitor the client closely for other signs of a reaction, such as fever, rash, or shortness of breath. Stopping the transfusion may be necessary, but monitoring for reactions is crucial to identify and manage any adverse effects promptly. Vital signs should be monitored as part of assessing for reactions. Performing a lumbar puncture is not indicated in this situation and is unrelated to managing a transfusion reaction.

Correct Answer: B

Rationale: The correct answer is B because building trust with patients is crucial for effective communication and promoting patient cooperation. Trust takes time to develop and is essential in gaining accurate information about a patient's health. Patients may not disclose all information if they do not trust the nurse. Choice A is incorrect because patients may withhold information for various reasons. Choice C is incorrect as not all patients seeking care may fully understand the Canadian health care system. Choice D is incorrect because not all patients may recognize the importance of answering all questions, especially if they are uncomfortable or lack trust in the healthcare provider.

Correct Answer: A

Rationale: The correct answer is A: Administer bronchodilators. The first step in managing an asthma attack is to address the underlying cause, which is airway constriction. Bronchodilators help relax the muscles around the airways, making it easier for the client to breathe. Providing oxygen therapy (B) can be helpful but addressing airway constriction is the priority. Administering analgesics (C) or pain medication (D) is not appropriate as asthma attacks are not typically associated with pain.