NCLEX-RN
NCLEX RN Predictor Exam
1. Which of the following tests would MOST LIKELY be performed on a patient who is being monitored for coagulation therapy?
- A. PT/INR
- B. CBC
- C. PTT
- D. WBC
Correct answer: A
Rationale: The correct answer is A: PT/INR. Prothrombin times (PT/INR) are commonly used to monitor patients on Coumadin (warfarin) therapy, an anticoagulant that slows the blood's ability to clot. Monitoring PT/INR levels helps ensure the patient is receiving the appropriate dosage of Coumadin. Choice B, CBC (Complete Blood Count), is a general test that provides information on red blood cells, white blood cells, and platelets but is not specific to monitoring coagulation therapy. Choice C, PTT (Partial Thromboplastin Time), is another coagulation test but is not as commonly used for monitoring Coumadin therapy. Choice D, WBC (White Blood Cell count), is unrelated to monitoring coagulation therapy and is used to assess immune system function.
2. Which of the following organs would be described as being located retroperitoneally?
- A. Kidneys
- B. Thymus
- C. Small Intestines
- D. Spleen
Correct answer: A
Rationale: The term 'retroperitoneal' refers to organs positioned behind the peritoneum. The kidneys are retroperitoneal organs, located outside the peritoneal cavity, against the posterior abdominal wall. This positioning provides them with additional protection from external forces due to the surrounding structures. The thymus, small intestines, and spleen are not retroperitoneal organs. The thymus is located in the mediastinum, the small intestines are intraperitoneal, and the spleen is intraperitoneal and located in the left upper quadrant of the abdomen.
3. Which complication of cardiac catheterization should the nurse monitor for in the initial 24 hours after the procedure?
- A. Angina at rest
- B. Thrombus formation
- C. Dizziness
- D. Falling blood pressure
Correct answer: B
Rationale: Thrombus formation is a critical complication of cardiac catheterization that the nurse should monitor for in the initial 24 hours after the procedure. A thrombus can form in the blood vessels, obstructing blood flow and potentially leading to serious consequences such as embolism or organ ischemia. While angina at rest, dizziness, and falling blood pressure are potential complications following cardiac catheterization, they are not typically associated with the immediate post-procedural period. Monitoring for thrombus formation is essential to ensure early detection and intervention, which can prevent serious complications.
4. When measuring a patient's body temperature, what factor should be considered that can influence the temperature?
- A. Constipation
- B. Diurnal cycle
- C. Nocturnal cycle
- D. Patient's emotional state
Correct answer: B
Rationale: When measuring body temperature, it is essential to consider factors that can influence it. The diurnal cycle, which refers to the body's natural temperature variations throughout a 24-hour period, can impact body temperature readings. Factors like exercise, age, and environment can also affect body temperature. Constipation does not directly influence body temperature. The 'nocturnal cycle' is not a recognized term in relation to body temperature. While a patient's emotional state can affect vital signs, it is not a primary factor in influencing body temperature measurements.
5. When checking for proper blood pressure cuff size, which guideline is correct?
- A. The standard cuff size is appropriate for all sizes.
- B. The length of the rubber bladder should equal 80% of the arm circumference.
- C. The width of the rubber bladder should equal 80% of the arm circumference.
- D. The width of the rubber bladder should equal 40% of the arm circumference.
Correct answer: D
Rationale: When selecting the correct blood pressure cuff size, it is essential to ensure that the width of the rubber bladder equals 40% of the circumference of the person's arm. This ensures proper fitting and accurate readings. The length of the bladder should actually equal 80% of the arm circumference, not 80% of the width, making choices B and C incorrect. Choice A stating that the standard cuff size is appropriate for all sizes is inaccurate, as using an incorrectly sized cuff can lead to inaccurate blood pressure readings.
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