NCLEX-RN
NCLEX RN Free Practice Questions Questions
Extract:
Question 1 of 5
Often children are monitored with pulse oximeter. The pulse oximeter measures the:
Correct Answer: B
Rationale: The O2 content of whole blood is determined by the partial pressure of oxygen (PO2) and the oxygen saturation. The pulse oximeter does not measure the PO2. The pulse oximeter is a noninvasive method of measuring the arterial oxygen saturation. The PO2 is the amount of O2 dissolved in plasma, which the pulse oximeter does not measure. The affinity of hemoglobin for O2 is the relationship between oxygen saturation and PO2 and is not measured by the pulse oximeter.
Question 2 of 5
The nurse is assessing an adult female client for hypovolemia.
Correct Answer: A
Rationale: Elevated hematocrit (55%) indicates hemoconcentration due to fluid loss in hypovolemia. Potassium (
B) and BUN (
D) are within normal ranges, and urine specific gravity (
C) is normal, not elevated as expected in hypovolemia.
Question 3 of 5
A registered nurse is trying to determine the appropriate care that she should provide for her obstetrical clients. Which of the following documents is considered the legal standard of practice?
Correct Answer: A
Rationale: The state nursing practice act determines the standard of care for the professional nurse. AWHONN Standards are published as recommendations and guidelines for maternal-newborn nursing. American Nurses' Association Standards are published as recommendations and guidelines for maternal-child health nursing. The International Council of Nurses' Code emphasizes the nurse's obligations to the client rather than to the physician. It is published as recommendations and guidelines by the international organization for professional nursing.
Question 4 of 5
The intensive care unit is full and the emergency room just called to report that a client with suspected carbon monoxide poisoning has arrived. Which clinical manifestation would the nurse expect if carbon monoxide poisoning has occurred?
Correct Answer: C
Rationale: Carbon monoxide binds hemoglobin, forming carboxyhemoglobin, causing cherry red mucous membranes. Pulse oximetry (
A) is unreliable, stridor (
B) suggests obstruction, and carbonaceous particles (
D) indicate smoke inhalation.
Question 5 of 5
A male client is scheduled for a liver biopsy. In preparing him for this test, the nurse should:
Correct Answer: D
Rationale: Post-liver biopsy, vital signs are monitored frequently to detect hemorrhage or shock, the most likely complications.