a nurse is caring for a client who has a prescription for 5 units of regular insulin and 10 units of nph insulin to mix together and administer subcut
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HESI LPN

HESI Fundamentals Test Bank

1. A client has a prescription for 5 units of regular insulin and 10 units of NPH insulin to mix together and administer subcutaneously. Determine the correct order of steps for this procedure.

Correct answer: B

Rationale: The correct order of steps for this procedure is to first inject air into the NPH insulin bottle to prevent vacuum formation. After injecting air into the NPH insulin, the next step is to withdraw the correct dose of regular insulin from its bottle. This sequence ensures that the regular insulin is drawn after the NPH insulin, preventing contamination and ensuring accurate dosing. Therefore, choice B is correct. Choices A, C, and D are incorrect because air should be injected into the NPH insulin first, not the regular insulin, and the doses should be withdrawn in the appropriate order to maintain the integrity and potency of each insulin type.

2. The nurse is caring for a client with a newly placed colostomy. Which statement by the client indicates a need for additional teaching?

Correct answer: A

Rationale: The correct answer is A. Changing the colostomy bag every day is not necessary; it should be changed as needed, usually every 3-7 days. This statement indicates a need for additional teaching as frequent changes can irritate the skin and are not typically required. Choices B, C, and D are all correct statements regarding colostomy care. Avoiding gas-producing foods, emptying the bag when it is one-third to one-half full, and taking care of the skin around the stoma are all essential aspects of colostomy care to prevent complications and maintain skin integrity.

3. A nurse on a medical-surgical unit is caring for a group of clients. The nurse should identify that which of the following clients is at risk for hypovolemia?

Correct answer: A

Rationale: The correct answer is A. Nasogastric suctioning can lead to hypovolemia due to the loss of gastric fluids. Chronic constipation and syndrome of inappropriate antidiuretic hormone (SIADH) are not typically associated with hypovolemia. A toxic dose of sodium bicarbonate antacids may lead to metabolic alkalosis, not hypovolemia.

4. The nurse is planning care for a 12-year-old child with sickle cell disease in a vaso-occlusive crisis affecting the elbow. Which one of the following should be the priority?

Correct answer: B

Rationale: During a vaso-occlusive crisis in sickle cell disease, the priority intervention is effective pain management. Client-controlled analgesia allows the child to self-administer pain relief as needed, promoting comfort and reducing stress. Limiting fluids (choice A) is not appropriate in this scenario as hydration is essential to prevent complications. Cold compresses (choice C) may provide some comfort but do not address the underlying pain. Passive range of motion exercises (choice D) are contraindicated during a vaso-occlusive crisis due to the risk of further pain and tissue damage.

5. The LPN/LVN is caring for a client with chronic obstructive pulmonary disease (COPD) who is receiving oxygen therapy. Which observation indicates that the client is experiencing oxygen toxicity?

Correct answer: C

Rationale: The correct answer is 'C: Sore throat.' Oxygen toxicity can manifest with symptoms like a sore throat, cough, chest pain, difficulty breathing, and fatigue. However, a sore throat can be an early indicator of oxygen toxicity and should prompt immediate attention. Nasal congestion, cough, and fatigue are not specific indicators of oxygen toxicity but could be related to other factors in a client with COPD receiving oxygen therapy.

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