NCLEX-RN
NCLEX RN Exam Review Answers
1. As you are assessing the fetus during labor, you are determining the fetal lie, presentation, attitude, station, and position. Your client asks you what all these assessments are. Among other things, how should you respond to the mother?
- A. You should explain that fetal lie is where the fetus's presenting part is within the birth canal during labor, among other information about the other assessments.
- B. You should explain that fetal presentation is the relationship of the fetus's spine to the mother's spine, among other information about the other assessments.
- C. You should explain that fetal attitude is the relationship of the fetus's presenting part to the anterior, posterior, right, or left side of the mother's pelvis, among other information about the other assessments.
- D. You should explain that fetal station is the level of the fetus's presenting part in relationship to the mother's ischial spines, among other information about the other assessments.
Correct answer: D
Rationale: You should explain that fetal station is the level of the fetus's presenting part in relationship to the mother's ischial spines. Fetal station is measured in terms of the number of centimeters above or below the mother's ischial spines. When the fetus is 1 to 5 centimeters above the ischial spines, the fetal station is -1 to -5, and when the fetus is 1 to 5 centimeters below the level of the maternal ischial spines, the fetal station is +1 to +5. Choices A, B, and C provide incorrect information about fetal lie, presentation, and attitude, respectively, which do not align with the definitions of these terms in obstetrics.
2. While caring for a client in labor, a nurse attaches an electronic fetal monitor to the client's abdomen to assess the baby's heart rate. The nurse observes that the baby's heart rate slows down during each contraction and does not return to normal limits until after the contraction is complete. What type of fetal heart rate change does this pattern describe?
- A. Variable decelerations
- B. Late decelerations
- C. Early decelerations
- D. Accelerations
Correct answer: B
Rationale: Late decelerations are characterized by the baby's heart rate declining in utero during contractions. The heart rate drops below baseline and stays low until after the contraction ends. Late decelerations are concerning as they indicate uteroplacental insufficiency, which can compromise fetal oxygenation. This pattern is a non-reassuring sign and requires immediate intervention. Variable decelerations are typically abrupt decreases in heart rate, often associated with cord compression. Early decelerations, on the other hand, mirror the contractions and are considered benign, resulting from fetal head compression. Accelerations are reassuring signs of fetal well-being, indicating a responsive and healthy fetal nervous system.
3. Which of the following tasks may be delegated to unlicensed assistive personnel?
- A. Cleansing a wound with peroxide
- B. Irrigating a colostomy
- C. Assisting with performing incentive spirometry
- D. Removing a saline-lock IV
Correct answer: C
Rationale: Certain tasks can be safely delegated to unlicensed assistive personnel to assist nurses in their workload. Tasks that involve routine activities like incentive spirometry can be delegated. Unlicensed assistive personnel can assist clients with incentive spirometry, helping in promoting lung expansion and preventing respiratory complications. Cleansing a wound with peroxide (Choice A) and irrigating a colostomy (Choice B) involve more complex procedures that should be performed by licensed healthcare providers due to the risk of infection and potential complications. Removing a saline-lock IV (Choice D) requires specialized training and should only be performed by licensed personnel to prevent complications and ensure patient safety. The nurse remains responsible for delegating tasks appropriately and overseeing the care provided by unlicensed assistive personnel.
4. A patient who has been diagnosed with vasospastic disorder (Raynaud's disease) complains of cold and stiffness in the fingers. Which of the following descriptions is most likely to fit the patient?
- A. An adolescent male
- B. An elderly woman
- C. A young woman
- D. An elderly man
Correct answer: C
Rationale: The correct answer is 'A young woman.' Raynaud's disease is most common in young women and is often associated with rheumatologic disorders like lupus and rheumatoid arthritis. This disorder involves vasospasm of the arteries, leading to reduced blood flow to the fingers and toes. Typically, Raynaud's affects the fingers, and in some cases, it can affect the toes. Only rarely does it involve other body parts such as the nose, ears, nipples, and lips. Choices B, C, and D are less likely as Raynaud's disease predominantly affects young women, although it can occur in other demographic groups as well.
5. A healthcare professional is preparing to draw a blood specimen from an adult client's central line. All of the following actions for this procedure are correct EXCEPT:
- A. Disconnect the current infusion
- B. Clean the cap with alcohol and attach a 5 cc syringe
- C. Draw 5 cc of a blood sample to discard
- D. Flush with saline after the sample
Correct answer: B
Rationale: When drawing a blood specimen from a central line, the healthcare professional should disconnect any infusions that are currently running and that could contaminate the specimen. It is important to use a minimum size of a 10 cc syringe when using a central line to avoid placing too much pressure on the catheter. Cleaning the cap with alcohol and attaching a 5 cc syringe is not appropriate as a larger syringe size should be used for this procedure. Drawing 5 cc of a blood sample to discard and flushing with saline after the sample are correct steps in the process of drawing a blood specimen from a central line.
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