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. A client recovering from abdominal surgery is on a clear liquid diet. The nurse should identify which of the following as the most appropriate food choice for this diet?
- A. Chicken noodle soup
- B. Grape juice
- C. Cream of wheat
- D. Vanilla pudding
Correct answer: B
Rationale: Grape juice is the most appropriate choice for a clear liquid diet as it is a transparent fluid that is easily digested. Clear liquid diets aim to provide fluids and electrolytes while being easy on the digestive system. Choices A, C, and D are not suitable for a clear liquid diet as they are not in liquid form or do not meet the criteria of being easily digestible for someone recovering from abdominal surgery. Chicken noodle soup, cream of wheat, and vanilla pudding are not considered clear liquids and may not be well-tolerated by a client who has undergone abdominal surgery.
3. A male client with hypertension, who received new antihypertensive prescriptions at his last visit returns to the clinic two weeks later to evaluate his blood pressure (BP). His BP is 158/106 mmHg and he admits that he has not been taking the prescribed medication because the drugs make him feel bad. In explaining the need for hypertension control, the nurse should stress that an elevated BP places the client at risk for which pathophysiological condition?
- A. Stroke secondary to hemorrhage
- B. Acute kidney injury due to glomerular damage
- C. Heart block due to myocardial damage
- D. Blindness secondary to cataracts
Correct answer: A
Rationale: The correct answer is A: Stroke secondary to hemorrhage. Hypertension increases the risk of stroke due to the stress and damage it causes to blood vessels, which can lead to hemorrhage. Choice B is incorrect because acute kidney injury is more commonly associated with chronic uncontrolled hypertension, not acute elevations. Choice C is incorrect as heart block is not a direct consequence of hypertension. Choice D is incorrect as hypertension does not directly cause cataracts leading to blindness.
4. The nurse is demonstrating wound care to a client following abdominal surgery. In what order should the nurse teach the technique?
- A. Remove old dressing using clean gloves. Discard gloves with old dressing
- B. Moisten sterile gauze with normal saline. Clean wound from least contaminated area to most contaminated area
- C. Apply sterile gauze dressing to wound area
- D. Secure dressing with tape
Correct answer: A
Rationale: The correct order ensures proper aseptic technique and wound care to prevent infection. The first step is to remove the old dressing using clean gloves to prevent contamination. Discarding the gloves with the old dressing helps maintain cleanliness. Choices B, C, and D are incorrect because cleaning the wound, applying a new dressing, and securing it should come after removing the old dressing to maintain asepsis and prevent infection.
5. A man calls the hospital and asks to talk with the nurse about his girlfriend who was extremely intoxicated on admission and is receiving services for detoxification. He knows that she is in the facility and asks the nurse about her condition. What is the nurse's best response?
- A. ''I can only report that the client is in satisfactory condition.''
- B. ''Let me give you the telephone number for her room.''
- C. ''I cannot acknowledge if a client is here or not.''
- D. ''I will have the nurse who is working with her call you.''
Correct answer: C
Rationale: The nurse must adhere to confidentiality rules and cannot confirm the presence or condition of the client. Choice A is incorrect because disclosing the client's condition breaches confidentiality. Choice B is wrong as it reveals the client's room number, which is also a breach of confidentiality. Choice D is not the best response as it involves sharing information about the client without verifying the caller's identity or relationship to the client.
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