HESI LPN
CAT Exam Practice Test
1. Following a gunshot wound, an adult client has a hemoglobin level of 4 grams/dl (40 mmol/L SI). The nurse prepares to administer a unit of blood for an emergency transfusion. The client has AB negative blood type and the blood bank sends a unit of type A Rh negative, reporting that there is not type AB negative blood currently available. Which intervention should the nurse implement?
- A. Transfuse Type A negative blood until type AB negative is available.
- B. Recheck the client’s hemoglobin, blood type, and Rh factor.
- C. Administer normal saline solution until type AB negative is available.
- D. Obtain additional consent for the administration of type A negative blood.
Correct answer: A
Rationale: In emergency situations where AB negative blood is unavailable, type A negative blood can be transfused to a patient with AB negative blood type. Type A negative blood is compatible with AB negative blood, making it a suitable option until the correct blood type becomes available. Transfusion of Type A negative blood is crucial to address the severe anemia promptly. Rechecking the client’s hemoglobin, blood type, and Rh factor (Choice B) may delay necessary treatment. Administering normal saline solution (Choice C) is not a substitute for blood transfusion in cases of severe anemia. Obtaining additional consent for the administration of type A negative blood (Choice D) is unnecessary as the situation is emergent and the blood type is compatible.
2. After undergoing an uncomplicated gastric bypass surgery, a client is experiencing difficulty managing their diet. What dietary instruction is most important for the nurse to explain to the client?
- A. Chew food slowly and thoroughly before attempting to swallow
- B. Plan volume-controlled evenly spaced meals throughout the day
- C. Sip fluid slowly with each meal and between meals
- D. Eliminate or reduce intake of fatty and gas-forming foods
Correct answer: A
Rationale: The correct answer is A. Thoroughly chewing food is crucial for clients who have undergone gastric bypass surgery to aid in digestion and prevent complications. Proper chewing helps break down food into smaller particles, making it easier for the digestive system to process. This instruction is essential to prevent issues such as food blockages or inadequate nutrient absorption. Choices B and C are also important for post-gastric bypass clients to maintain proper nutrition and hydration, but they are not as critical as ensuring thorough chewing. Choice D addresses dietary concerns but is not as immediately crucial as ensuring the client chews food properly to support digestion and prevent complications.
3. A female client with borderline personality disorder is being discharged today. During morning rounds, the client complains about the aloofness of the night shift nurse and expresses joy to see the nurse on duty. Which response is best for the nurse to provide to this client’s dichotomous tendency?
- A. I am glad you like me. Which nurse was acting aloof to you?
- B. Tomorrow I will talk to that nurse about how you were treated last night.
- C. What did the night nurse do that makes you think she is aloof?
- D. I am happy that you are getting better and will be able to go home.
Correct answer: A
Rationale: Choice A is the best response as it acknowledges the client's feelings while exploring their concerns. By asking which nurse was acting aloof, the nurse shows understanding and allows the client to express their feelings further. This response validates the client's emotions and fosters a therapeutic relationship. Choice B focuses on a future action without addressing the immediate concern at hand. Choice C seeks clarification on the night nurse's behavior, which is a good approach but lacks the personal touch of Choice A. Choice D shifts the focus away from the client's current feelings and concerns, missing the opportunity to address the dichotomous thinking displayed by the client.
4. A client who is newly diagnosed with type 2 diabetes mellitus (DM) receives a prescription for metformin (Glucophage) 500 mg PO twice daily. What information should the nurse include in this client’s teaching plan? (Select all that apply.)
- A. Take an additional dose for signs of hyperglycemia
- B. Recognize signs and symptoms of hypoglycemia.
- C. Report persistent polyuria to the healthcare provider.
- D. Use sliding scale insulin for finger stick glucose elevation.
Correct answer: D
Rationale: The correct answer is D. Metformin does not require additional doses for hyperglycemia, and sliding scale insulin is not typically used with metformin. It is important for the client to recognize signs and symptoms of hypoglycemia, report persistent polyuria to the healthcare provider, and take the medication with meals. Teaching the client to use sliding scale insulin for finger stick glucose elevation is not appropriate in this case because metformin is the prescribed medication, and its mechanism of action differs from insulin therapy. The client should be educated on the importance of taking metformin with meals to reduce gastrointestinal side effects and to report any persistent polyuria, which could indicate poor blood sugar control.
5. A young adult client was admitted 36 hours ago for a head injury that occurred as a result of a motorcycle accident. In the last 4 hours, the client’s urine output has increased to over 200 ml/hour. Before reporting the finding to the healthcare provider, which intervention should the nurse implement?
- A. Obtain capillary blood samples for glucose every 2 hours
- B. Measure oral secretions suctioned during the last 4 hours
- C. Evaluate the urine osmolality and serum osmolality values
- D. Obtain blood pressure and assess for dependent edema
Correct answer: C
Rationale: The correct answer is to evaluate the urine osmolality and serum osmolality values. The increased urine output following a head injury could indicate diabetes insipidus, a condition characterized by excessive urination and extreme thirst. Evaluating osmolality is crucial for diagnosing diabetes insipidus. Choice A is incorrect because obtaining capillary blood samples for glucose every 2 hours is not the priority in this situation. Choice B is irrelevant to the client's current symptom of increased urine output. Choice D is also not the most appropriate intervention as the focus should be on assessing for a potential endocrine issue related to the increased urine output.
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