NCLEX-RN
NCLEX RN Predictor Exam
1. Each small square on the EKG paper is:
- A. 0.04 seconds long and 5mm tall
- B. 0.2 seconds long and 5mm tall
- C. 0.04 seconds long and 20mm tall
- D. 0.04 seconds long and 1mm tall
Correct answer: D
Rationale: Each small square on an EKG paper represents 0.04 seconds long and 1mm tall. This standardization is essential for accurate measurements. One large square on EKG paper consists of 5 small squares in length and 5 small squares in height, which equals 0.2 seconds long and 5mm tall (0.5 mV). Choice A is incorrect because while the duration is correct, the height mentioned is not accurate. Choice B is incorrect as it provides the correct height but the duration is inaccurate. Choice C is incorrect as the height mentioned is exaggerated, and the duration is correct but the height is not. Therefore, the correct answer is 0.04 seconds long and 1mm tall.
2. A healthcare professional is preparing to administer an enteral feeding through a gastrostomy tube. Before administering the feeding, the healthcare professional aspirates some stomach contents and checks the pH. The result is 3.9. What is the next action of the healthcare professional?
- A. Administer the feeding as ordered
- B. Pull the feeding tube out approximately 3 cm
- C. Flush the feeding tube with 60 cc of water
- D. Contact the physician
Correct answer: A
Rationale: When the pH of the aspirated stomach contents is 4 or less, it indicates that the gastrostomy tube is in the stomach, confirming correct placement. A pH of 3.9 falls within this range, so the healthcare professional can proceed with administering the enteral feeding. There is no need to adjust the tube placement, flush with water, or contact the physician in this situation as the tube is appropriately positioned for feeding.
3. Which technique of assessment will the healthcare provider use to determine the presence of crepitus, swelling, and pulsations?
- A. Palpation
- B. Inspection
- C. Percussion
- D. Auscultation
Correct answer: A
Rationale: Palpation involves using the sense of touch to assess various characteristics such as texture, temperature, moisture, organ location and size, as well as detecting swelling, pulsations, vibrations, rigidity, crepitus, lumps, masses, and tenderness or pain. In this scenario, the healthcare provider would utilize palpation to physically feel for crepitus, swelling, and pulsations. Inspection primarily relies on visual assessment, percussion involves assessing through palpable vibrations and audible sounds, and auscultation uses the sense of hearing. Therefore, the correct answer is palpation for assessing the presence of crepitus, swelling, and pulsations.
4. For a healthcare worker under normal conditions with unsoiled hands, effective hand hygiene between patients requires which of the following?
- A. At least a 15-second scrub with plain soap and water
- B. At least a 23-minute scrub with an antimicrobial soap
- C. Use of an alcohol-based antiseptic hand-rub
- D. Wearing a mask when scrubbing
Correct answer: C
Rationale: Effective hand hygiene between patients for a healthcare worker with unsoiled hands involves using an alcohol-based antiseptic hand rub. This method is sufficient for cleaning hands that are not visibly soiled. The use of an antimicrobial soap or a prolonged scrubbing time is unnecessary and not recommended in this scenario. Wearing a mask is not required for routine hand hygiene and does not contribute to effective hand cleaning.
5. Your patient has finished a 12-ounce can of iced tea and 8 ounces of fresh orange juice. What will you record on the Intake and Output form for this patient's intake?
- A. 20 cc
- B. 20 cm
- C. 600 cc
- D. 600 cm
Correct answer: C
Rationale: You will record 600 cc of fluid intake. There are 600 cc in 20 ounces (12 ounces of iced tea + 8 ounces of orange juice) of fluid intake. Choice A and B are incorrect as they do not reflect the correct conversion of fluid intake from ounces to cubic centimeters. Choice D is incorrect as it provides the measurement in cubic centimeters but does not account for the total fluid intake accurately.
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