HESI RN
HESI Fundamentals Quizlet
1. A client is to receive 10 mEq of KCl diluted in 250 ml of normal saline over 4 hours. At what rate should the nurse set the client's intravenous infusion pump?
- A. 13 ml/hour.
- B. 63 ml/hour.
- C. 80 ml/hour.
- D. 125 ml/hour.
Correct answer: B
Rationale: The correct calculation involves dividing the total volume by the total time. In this case, 250 ml/4 hours = 63 ml/hour. The dose of KCl is not used in the calculation as the focus is on the rate of infusion over the specified time period. Choice A (13 ml/hour) is incorrect as it does not result from the correct calculation. Choice C (80 ml/hour) and Choice D (125 ml/hour) are also incorrect calculations and do not match the correct rate of infusion required.
2. What instruction should be provided for a UAP caring for a client with MRSA who has an order for contact precautions?
- A. Do not allow visitors until precautions are discontinued
- B. Wear sterile gloves when handling the client’s body fluids
- C. Have the client wear a mask whenever someone enters the room
- D. Don a gown and gloves when entering the room
Correct answer: D
Rationale: The correct instruction for a UAP caring for a client with MRSA under contact precautions is to don a gown and gloves when entering the client's room. This precaution is essential to prevent the spread of MRSA and protect both the client and the healthcare worker from potential infection. Choice A is incorrect because visitors should not be restricted solely based on contact precautions. Choice B is incorrect as wearing sterile gloves is not necessary, standard precautions with regular gloves are sufficient. Choice C is incorrect because the client wearing a mask is not a standard practice for contact precautions; it is the healthcare worker who should take preventive measures.
3. The healthcare professional counts an adult's apical heartbeat at 110 beats per minute. The healthcare professional describes this as:
- A. Asystole
- B. Bigeminy
- C. Tachycardia
- D. Bradycardia
Correct answer: C
Rationale: Tachycardia is a heart rate greater than 100 beats per minute. In this case, an adult's heart rate of 110 beats per minute falls within the range of tachycardia. Tachycardia can be a common physiological response to various stresses on the body, leading to an increased heart rate. Asystole refers to the absence of cardiac activity, bigeminy is a specific heart rhythm pattern, and bradycardia is a heart rate below 60 beats per minute in adults.
4. During the assessment, a client receiving a continuous infusion of heparin for deep vein thrombosis (DVT) is found to have a nosebleed. Which finding requires immediate action?
- A. The client's activated partial thromboplastin time (aPTT) is 70 seconds.
- B. The client has developed a nosebleed.
- C. The client's blood pressure is 150/90 mm Hg.
- D. The client reports feeling lightheaded.
Correct answer: B
Rationale: A nosebleed (B) in a client receiving heparin is a sign of heparin toxicity and requires immediate action. It indicates that the client is at risk of excessive bleeding. While a prolonged aPTT of 70 seconds (A) is worth monitoring, active bleeding takes precedence. Elevated blood pressure (C) and lightheadedness (D) are potential side effects of heparin but are not as urgently concerning as active bleeding.
5. A client is admitted with a diagnosis of diabetic ketoacidosis (DKA). Which assessment finding should the nurse anticipate?
- A. Oliguria.
- B. Kussmaul respirations.
- C. Fruity odor on the breath.
- D. Blood glucose level of 250 mg/dL.
Correct answer: B
Rationale: Kussmaul respirations (B) are a deep and labored breathing pattern associated with diabetic ketoacidosis (DKA) and are expected in this condition. While oliguria (A), fruity odor on the breath (C), and elevated blood glucose level (D) are also signs of DKA, Kussmaul respirations are more specific and critical to the condition, indicating severe metabolic acidosis.
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