NCLEX-RN
NCLEX RN Practice Questions Quizlet Questions
Extract:
Question 1 of 5
The nurse is precepting a student nurse on the postsurgical floor. The student nurse needs to draw a potassium level. Which of the following statements by the student nurse is correct regarding blood draws from venous catheters?
Correct Answer: B
Rationale: Flushing with 10–20 mL of saline after drawing blood from a catheter prevents clotting and maintains patency. Peripheral catheters are not ideal for blood draws, central lines carry risks, and large needles can cause hemolysis.
Question 2 of 5
A woman with hypothyroidism has been taking levothyroxine (Synthroid) for 5 years. She has just been prescribed warfarin (Coumadin). The nurse immediately calls the health care provider to review these orders and anticipates the physician will
Correct Answer: A
Rationale: Levothyroxine increases warfarin’s anticoagulant effect, raising bleeding risk. The physician will likely order lab work (e.g., INR) to monitor and adjust warfarin dosing.
Question 3 of 5
The client returns to the unit from surgery with a blood pressure of 90/50, pulse 132, respirations 30. Which action by the nurse should receive priority?
Correct Answer: B
Rationale: Hypotension and tachycardia suggest shock, requiring immediate physician notification.
Question 4 of 5
Which set of vital signs would best indicate an increase in intracranial pressure?
Correct Answer: A
Rationale: Increased intracranial pressure (ICP) is indicated by Cushing's triad: widened pulse pressure (e.g., BP 180/70), bradycardia (pulse 50), and irregular respirations. Temperature elevation may occur but is less specific.
Question 5 of 5
A client has developed diabetes insipidus after removal of a pituitary tumor. Which finding would the nurse expect?
Correct Answer: A
Rationale: Diabetes insipidus causes excessive water loss due to low ADH, leading to polyuria. The other symptoms are unrelated.