NCLEX-RN
Free NCLEX RN Practice Questions Questions
Extract:
Question 1 of 5
The nurse is reviewing the lab results of a client's arterial blood gases. The $\mathrm{PaCO}_2$ indicates effective functioning of the:
Correct Answer: C
Rationale: PaCO2 reflects lung function, as the lungs regulate carbon dioxide levels through ventilation; abnormal levels indicate respiratory issues.
Question 2 of 5
A client is taking nebulizer treatments for asthma, and the nurse is instructing the client in the correct method for measuring peak expiratory flow rates (PEFR) after treatment. The nurse prepares the meter with the indicator at the base of the scale. Place the following steps (Roman numerals) in the correct order from first to last.
Order the Items
Source Container
Correct Answer: A,D,B,C
Rationale: PEFR sequence: Sit/stand (I), take deep breath (IV), place meter in mouth (II), expel air forcefully (III).
Question 3 of 5
The nurse is caring for a postcholecystectomy client who had the T-tube removed this AM. Two hours after removal of the T-tube, the nurse notes that the 4x4 dressing covering the stab site is saturated with dark, greenish-yellow drainage. It is MOST appropriate for the nurse to take which of the following actions?
Correct Answer: A
Rationale: expected that a stab wound will continue to drain until the wound seals; nurse should keep wound clean and dry
Question 4 of 5
The nurse is teaching a client with limited mobility about preventing blood clots. Which statement by the nurse is correct?
Correct Answer: A
Rationale: Crossing legs can impede venous return, increasing clot risk, so avoiding this is correct. Long car rides are a risk but not limited to two hours, and pillows under knees can worsen circulation.
Question 5 of 5
The physician has ordered a blood test for H. pylori. The nurse should prepare the client by:
Correct Answer: B
Rationale: A blood test for H. pylori requires no special preparation, such as fasting or administration of substances.