ATI RN
ATI Nur 221 Med Surg unit 4 Exam Questions
Extract:
Question 1 of 5
A nurse is reviewing IV solutions to identify which solution falls under which category.
Correct Answer: A,B,C,D
Rationale: 0.45% Sodium Chloride is hypotonic, causing fluid to shift into cells. 0.9% Sodium Chloride and Lactated Ringers are isotonic, maintaining intravascular volume. Albumin is hypertonic, pulling fluid into the bloodstream.
Question 2 of 5
The nurse notices an abnormal movement in the client's hand and wrist while taking they blood pressure. What action should the nurse take?
Correct Answer: C
Rationale: Carpopedal spasm (Trousseau's sign) during BP measurement suggests hypocalcemia. The nurse should check serum calcium levels to confirm.
Question 3 of 5
The nurse is reviewing the client's following arterial blood gases: pH 7.33, PaCo2 47, HCO3 24. Which manifestation would the nurse expect the client to be experiencing with this imbalance?
Correct Answer: A
Rationale: Respiratory acidosis (low pH, high PaCO2) causes confusion due to decreased brain oxygenation.
Question 4 of 5
A nurse is caring for a client who will have blood sampling for a serum creatinine level and asks what this test shows. Which of the following responses should the nurse make?
Correct Answer: B
Rationale: Serum creatinine is a key indicator of kidney function, showing how well kidneys filter waste.
Question 5 of 5
A client is to have hemodialysis. What must the nurse do before this treatment?
Correct Answer: C
Rationale: Pre-dialysis weight is crucial to determine fluid removal needs during dialysis.