HESI LPN
Adult Health 2 Final Exam
1. A client is admitted with a diagnosis of diabetic ketoacidosis (DKA). Which laboratory finding is most indicative of this condition?
- A. Serum glucose of 180 mg/dL
- B. Blood pH of 7.30
- C. Positive urine ketones
- D. Serum bicarbonate of 25 mEq/L
Correct answer: C
Rationale: The correct answer is C: Positive urine ketones. In diabetic ketoacidosis (DKA), the body breaks down fat for energy due to a lack of insulin, leading to ketone production. Positive urine ketones are a hallmark laboratory finding in DKA as they directly reflect the presence of ketosis. Choice A, serum glucose of 180 mg/dL, may be elevated in DKA, but it is not specific to this condition. Choice B, blood pH of 7.30, often shows acidosis in DKA, but urine ketones are more specific to the presence of ketosis. Choice D, serum bicarbonate of 25 mEq/L, would typically be low in DKA due to acidosis rather than elevated.
2. What are the final factors that contribute to blood pressure? (Select all that apply)
- A. Heart rate
- B. Stroke volume
- C. Peripheral resistance
- D. Neuroendocrine hormones
Correct answer: D
Rationale: Neuroendocrine hormones play a crucial role in regulating blood pressure by influencing factors like fluid balance, blood volume, and vessel constriction. While heart rate, stroke volume, and peripheral resistance are important factors affecting blood pressure, the final parameters that directly produce blood pressure are influenced by neuroendocrine hormones. Therefore, choice D is the correct answer. Choices A, B, and C are involved in the regulation of blood pressure but are not the final parameters that directly produce it.
3. The unlicensed assistive personnel (UAP) reports to the nurse that a client refused to bathe for the third consecutive day. What action is best for the nurse to take?
- A. Ask the client why the bath was refused
- B. Ask family members to encourage the client to bathe
- C. Explain the importance of good hygiene to the client
- D. Reschedule the bath for the following day
Correct answer: A
Rationale: The correct action for the nurse to take is to ask the client why the bath was refused. Understanding the client's reasons for refusal can guide appropriate interventions, respecting client autonomy while addressing any underlying issues. Choice B is not the best course of action as involving family members may not address the client's specific concerns. Choice C, while important, may not directly address the immediate refusal to bathe. Choice D does not address the underlying reasons for the refusal and may not lead to a resolution.
4. A client with a diagnosis of hypothyroidism is prescribed levothyroxine (Synthroid). What is the most important instruction the nurse should provide?
- A. Take the medication in the morning on an empty stomach
- B. Take the medication with food
- C. Report any symptoms of hyperthyroidism
- D. Do not discontinue the medication abruptly
Correct answer: C
Rationale: The correct answer is C: 'Report any symptoms of hyperthyroidism.' Symptoms of hyperthyroidism, such as palpitations or tremors, may indicate an excessive dose of levothyroxine and should be reported to the healthcare provider for proper adjustment of the medication. Choice A is incorrect because levothyroxine is usually taken in the morning on an empty stomach to maximize absorption. Choice B is incorrect because taking levothyroxine with food can interfere with its absorption. Choice D is incorrect because discontinuing levothyroxine abruptly can lead to a worsening of hypothyroidism symptoms.
5. A client with a urinary tract infection is prescribed antibiotics. What should the nurse inform the client about antibiotic therapy?
- A. It may interfere with oral contraceptive effectiveness
- B. It can cause drowsiness
- C. It should be taken with meals
- D. Completing the full course is crucial
Correct answer: D
Rationale: Completing the full course of antibiotics is crucial to fully eradicate the infection and prevent the development of antibiotic resistance. Informing the client about the importance of finishing the prescribed course helps in ensuring the effectiveness of the treatment and reduces the risk of recurrence. Choice A is incorrect because antibiotics do not generally interfere with oral contraceptive effectiveness. Choice B is incorrect because drowsiness is not a common side effect of antibiotics. Choice C is incorrect because while some antibiotics may need to be taken with meals, it is not a universal rule for all antibiotics.
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