Correct Answer: B

Rationale: Diabetic ketoacidosis often results in the presence of ketone bodies in the urine, along with hyperglycemia.

Correct Answer: D

Rationale: The nurse faces a dilemma between respecting autonomy (the patient’s choice to smoke) and preventing harm (nonmaleficence).

Correct Answer: A

Rationale: E. coli is the most common pathogen responsible for urinary tract infections.

Correct Answer: B

Rationale: Diabetic ketoacidosis often results in the presence of ketone bodies in the urine, along with hyperglycemia.

Correct Answer: B

Rationale: Supportive care with anti-nausea and anti-vertigo medication is appropriate for vestibular neuritis.