NCLEX-RN
NCLEX RN Predictor Exam Questions
Extract:
Question 1 of 5
A client tells the doctor that she is about 20 weeks pregnant. The most definitive sign of pregnancy is:
Correct Answer: B
Rationale: Fetal heart tones detectable by Doppler around 10-12 weeks and consistently by 20 weeks are the most definitive sign of pregnancy. HCG uterine enlargement and breast changes are presumptive or probable signs.
Question 2 of 5
A client with a history of a thyroidectomy is being discharged. The nurse should teach the client to:
Correct Answer: A
Rationale: Hypocalcemia post-thyroidectomy (due to parathyroid damage) causes symptoms like tingling or tetany, requiring monitoring. Iodine foods, bedtime dosing, and fluid limits are not primary concerns.
Question 3 of 5
The most commonly known vectors of Lyme disease are:
Correct Answer: C
Rationale: Mites are not the common vector of Lyme disease. Fleas are not the common vector of Lyme disease. Ticks are the common vector of Lyme disease. Mosquitoes are not the common vector of Lyme disease.
Question 4 of 5
When administering total parenteral nutrition, the nurse should assess the client for signs of rebound hypoglycemia. The nurse knows that rebound hypoglycemia occurs when:
Correct Answer: B
Rationale: Rebound hypoglycemia occurs when TPN is stopped abruptly, causing a rapid drop in blood glucose due to persistent insulin release. Tapering the infusion prevents this.
Question 5 of 5
Which statement is true regarding a patient with a Sengstaken-Blakemore tube?
Correct Answer: D
Rationale: A Sengstaken-Blakemore tube is used for esophageal variceal bleeding. Scissors must be kept at the bedside to cut the tube in case of airway obstruction from balloon migration. The gastric balloon (not esophageal) controls bleeding the tube has three lumens and esophageal balloon pressure is typically 20-25 mmHg.