HESI LPN
HESI CAT Exam Quizlet
1. A client receives a prescription for acetylcysteine (Mucomyst) 1.4 grams per nasogastric tube q4 hours. Acetylcysteine is available as a 10% solution (10 grams/100ml). How many ml of the 10% solution should the nurse administer per dose?
- A. 7
- B. 10
- C. 14
- D. 1.4 grams of acetylcysteine is equivalent to 14 ml of a 10% solution.
Correct answer: D
Rationale: To determine the amount of the 10% acetylcysteine solution to administer, convert the 1.4 grams to milligrams (1.4 grams = 1400 mg). Then, as the 10% solution contains 10 grams (10,000 mg) per 100 ml, it means there are 1000 mg of acetylcysteine in every 10 ml of the solution (10,000 mg / 100 ml = 100 mg/ml). Therefore, to administer 1400 mg (1.4 grams) of acetylcysteine, the nurse should give 14 ml of the 10% solution. Choices A, B, and C are incorrect as they do not accurately convert the amount of acetylcysteine to the corresponding volume of the 10% solution.
2. After receiving a report on an inpatient acute care unit, which client should the nurse assess first?
- A. The client with bowel obstruction due to a volvulus who is experiencing abdominal rigidity
- B. The client who had surgery yesterday and is experiencing a paralytic ileus with absent bowel sounds
- C. The client with an obstruction of the large intestine who is experiencing abdominal distention
- D. The client with a small bowel obstruction who has a nasogastric tube that is draining greenish fluid
Correct answer: A
Rationale: The correct answer is A. Abdominal rigidity in a client with bowel obstruction due to a volvulus indicates possible complications and requires immediate assessment. Choice B is incorrect because although a paralytic ileus with absent bowel sounds is concerning, abdominal rigidity in a client with a volvulus takes priority. Choice C is incorrect as abdominal distention, though indicative of an obstruction, is not as urgent as the sign of abdominal rigidity. Choice D is incorrect as the drainage of greenish fluid from a nasogastric tube in a client with a small bowel obstruction, while concerning, does not present as immediate a threat as the abdominal rigidity in a client with a volvulus.
3. Before leaving the room of a confused client, the nurse notes that a half bow knot was used to attach the client's wrist restraints to the movable portion of the client's bed frame. What action should the nurse take before leaving the room?
- A. Ensure that the knot can be quickly released.
- B. Tie the knot with a double turn or square knot.
- C. Move the ties so the restraints are secured to the side rails.
- D. Ensure that the restraints are snug against the client's wrist.
Correct answer: A
Rationale: The correct action for the nurse to take before leaving the room is to ensure that the knot can be quickly released. Using a half bow knot to attach the client's wrist restraints allows for quick release in case of an emergency. This is crucial for ensuring the safety of the client and complying with restraint policies. Tying the knot with a double turn or square knot (Choice B) would make it difficult to release quickly when needed. Moving the ties so the restraints are secured to the side rails (Choice C) does not address the immediate need for a quick release. Ensuring that the restraints are snug against the client's wrist (Choice D) may not be appropriate if the restraints need to be quickly removed for the client's safety.
4. The nurse is assessing a client with pulmonary edema who is reporting two-pillow orthopnea and paroxysmal nocturnal dyspnea. The nurse identifies rapid shallow respirations and the use of accessory muscles. Which action should the nurse include in the client’s plan of care?
- A. Administer the prescribed amiodarone (Cordarone) immediately
- B. Institute a daily fluid restriction while the client is in the hospital
- C. Perform a blood draw for serum Troponin, CK, and CK-MB levels
- D. Place the client in the Trendelenburg position to facilitate perfusion
Correct answer: A
Rationale: Administering amiodarone is appropriate if arrhythmias are present in the context of pulmonary edema, as it helps manage irregular heart rhythms. In this case, the client is experiencing symptoms related to respiratory distress, and amiodarone can address potential arrhythmias contributing to the condition. Options B and D are not directly related to managing symptoms of pulmonary edema and do not address the underlying cause of the client's distress. Option C, performing blood tests for cardiac enzymes, is important for assessing possible myocardial damage but does not directly address the immediate respiratory distress associated with pulmonary edema.
5. A client diagnosed with a deep vein thrombus (DVT) followed by a diagnosis of pulmonary embolism (PE) is receiving heparin via an infusion pump at a rate of 1400 u/hour. The client tells the nurse, “I wish this medicine would hurry up and dissolve this clot in my lung so that I can go home”. What response is best for the nurse to provide?
- A. Heparin prevents further clot formation, but your risk of bleeding needs to be monitored closely
- B. You seem to be concerned about the length of time it takes for Heparin to dissolve this clot
- C. Let me contact your healthcare provider to discuss the possibility of receiving IV heparin therapy at home
- D. Why are you so anxious to leave the hospital when you know you are not well enough yet?
Correct answer: A
Rationale: The correct response is A: 'Heparin prevents further clot formation, but your risk of bleeding needs to be monitored closely.' Heparin is an anticoagulant that prevents further clot formation, but it does not quickly dissolve existing clots. It is crucial for the nurse to educate the client about the purpose of heparin and the necessity for close monitoring of bleeding risks. Choice B is incorrect as it does not address the misunderstanding about heparin's mechanism of action. Choice C is incorrect as home administration of IV heparin therapy requires careful consideration and should not be suggested without a thorough assessment. Choice D is incorrect as it does not address the client's misconception about heparin's role in dissolving clots and instead focuses on the client's desire to leave the hospital.
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