Nursing Elites

1. Which atrioventricular heart block is also referred to as Mobitz II?

• A. Third-degree atrioventricular heart block
• B. Second-degree atrioventricular heart block
• C. First-degree atrioventricular heart block
• D. Complete heart block

Correct answer: B

Rationale: The correct answer is B. Second-degree atrioventricular heart block is also known as Mobitz II. In Mobitz II, some atrial impulses are blocked from reaching the ventricles, resulting in occasional dropped beats. Third-degree atrioventricular heart block is known as complete heart block, where no atrial impulses reach the ventricles. First-degree atrioventricular heart block is a condition where there is delayed conduction between the atria and ventricles but all atrial impulses are eventually conducted to the ventricles.

2. A patient's serum potassium level is 2.2 mEq/L. Which nursing action is the highest priority for this patient?

• A. Start oxygen at 2 L/min
• B. Initiate cardiac monitoring
• C. Initiate seizure precautions
• D. Keep the patient on bed rest

Correct answer: B

Rationale: The correct answer is to initiate cardiac monitoring. Severe hypokalemia can lead to life-threatening arrhythmias, making cardiac monitoring the priority to detect and manage any cardiac complications. Starting oxygen, seizure precautions, or bed rest are not the immediate priority actions for severe hypokalemia.

3. Which skin disorder most closely resembles and mimics dandruff?

• A. Lice infestation
• B. Scabies
• C. Dermatitis
• D. Acne vulgaris

Correct answer: C

Rationale: Dermatitis can closely resemble and mimic dandruff due to similar symptoms like flaking and itching. Lice infestation (choice A) is characterized by the presence of lice and their eggs attached to the hair shaft, different from dandruff. Scabies (choice B) is a contagious skin condition caused by mites, presenting as burrows, rashes, and intense itching, not typically resembling dandruff. Acne vulgaris (choice D) is a skin condition involving hair follicles and sebaceous glands, manifesting as pimples and inflammation, which is distinct from dandruff.

4. Which of the following methods of insulin administration would be used in the initial treatment of hyperglycemia in a client with diabetic ketoacidosis?

• A. Subcutaneous
• B. Intramuscular
• C. IV bolus only
• D. IV bolus, followed by continuous infusion

Correct answer: D

Rationale: The correct answer is D: IV bolus, followed by continuous infusion. In the initial treatment of hyperglycemia in a client with diabetic ketoacidosis, insulin is administered via IV bolus to quickly reduce blood glucose levels, followed by a continuous infusion to maintain control. Subcutaneous and intramuscular routes are not used in this situation as they are not rapid or predictable enough to address the acute hyperglycemia seen in diabetic ketoacidosis. IV bolus alone without the continuous infusion may not provide sustained control of blood glucose levels, making choice C incorrect.

5. A nurse in the emergency department is assessing a client who is unconscious following a motor-vehicle crash. The client requires immediate surgery. Which of the following actions should the nurse take?

• A. Transport the client to the operating room without verifying informed consent
• B. Ask the anesthesiologist to sign the consent
• C. Obtain telephone consent from the facility administrator before the surgery
• D. Delay the surgery until the nurse can obtain informed consent

Correct answer: A

Rationale: In emergency situations where a client is unconscious and requires immediate surgery, implied consent applies. Implied consent allows healthcare providers, including nurses, to proceed with necessary treatment or surgery without formally verifying informed consent. Choice A is correct because the priority in this scenario is to ensure the client receives timely medical intervention to address life-threatening conditions. Choices B, C, and D are incorrect because in emergencies, waiting to obtain formal consent can delay critical treatment, risking the client's health and well-being.

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