ATI LPN
ATI LPN Med Surg Lv 3 Electrolytes Imbalance Questions
Extract:
Question 1 of 5
A nurse is collecting data from a client who has acute gastroenteritis. Which of the following data collection findings should the nurse identify as the priority?
Correct Answer: A
Rationale: A potassium level of 2.5 mEq/L is critically low and can cause life-threatening cardiac dysrhythmias, requiring immediate intervention.
Question 2 of 5
The nurse is using Chvostek sign to assess for hypocalcemia. Which statement correctly describes this test?
Correct Answer: A
Rationale: Tapping the face below and in front of the ear tests for Chvostek's sign, where facial muscle twitching indicates hypocalcemia.
Question 3 of 5
At 0330, a nurse is caring for a client who is postoperative. The client's IV fluids are infusing at 120 mL/hr. How many mL of IV fluid should infuse by 0600? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: B
Rationale: From 0330 to 0600 is 2.5 hours; 120 mL/hr × 2.5 hr = 300 mL.
Question 4 of 5
A nurse is collecting data from a client who has a sodium level of 155 mEq/L (136-145 mEq/L). Which of the following manifestations should the nurse expect?
Correct Answer: B
Rationale: Hypernatremia causes cellular dehydration, leading to neurological symptoms like decreased level of consciousness.
Question 5 of 5
A nurse is assisting with care of a client who has a prescription for 3,000 mL of intravenous fluids over the next 24 hr. The nurse should set the IV pump to deliver how many mL/hr? (Round to the nearest whole number)
Correct Answer: B
Rationale: Dividing total volume by time, 3000 mL / 24 hr = 125 mL/hr.