each small square on the ekg paper is
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Nursing Elites

NCLEX-RN

NCLEX RN Predictor Exam

1. Each small square on the EKG paper is:

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. What is the BEST blood collection location for a newborn?

Correct answer: C

Rationale: When collecting blood from newborns, it is safest and most commonly done by collecting blood from the lateral or medial aspect of the baby's heel. This location is preferred due to the accessibility of the veins and the minimal discomfort caused to the newborn. Veins in the forehead are not commonly used for blood collection in newborns. The fingertips are not optimal for blood collection in newborns due to their small size and the potential for causing discomfort. The AC (antecubital) area, typically used in adults for blood collection, is not recommended for newborns due to the size of their veins and the potential risk of injury.

3. A patient who is displaying the defense mechanism of Compensation would:

Correct answer: C

Rationale: The correct answer is 'Overemphasize behaviors which accommodate for perceived weaknesses.' Compensation involves overemphasizing or exaggerating a particular behavior or trait to make up for or cover up perceived weaknesses in oneself. This defense mechanism allows individuals to focus on their strengths rather than acknowledging their shortcomings. Choices A, B, and D are incorrect. Refusing to hear unwanted information relates more to denial, transferring feelings of negativity to someone else is projection, and placing blame on others is an example of the defense mechanism known as externalization.

4. During an examination, a nurse notices a draining ulceration on a patient's lower leg. What is the most appropriate action in this situation?

Correct answer: C

Rationale: In this scenario, the most appropriate action is to wash hands, put on gloves, and then continue examining the ulceration. Wearing gloves is crucial when there is a possibility of contact with body fluids, as in the case of a draining ulceration. Contacting the physician is not necessary at this point; the immediate focus should be on proper infection control by washing hands and wearing gloves. Changing the order of the examination is not recommended as it is important to follow a systematic approach to avoid missing any crucial assessments.

5. After instructing the client on crutch walking technique, the nurse should evaluate the client's understanding by using which of the following methods?

Correct answer: A

Rationale: After teaching the client on crutch walking technique, assessing the client's understanding is crucial. The most effective method to evaluate the client's comprehension of a hands-on skill like crutch walking technique is through a return demonstration. This allows the nurse to observe the client performing the technique, ensuring they have grasped the instructions correctly and can execute the skill safely. While providing an explanation can help clarify doubts, it may not confirm the client's ability to perform the skill. Achieving a high score on a written test assesses cognitive understanding but not necessarily the practical application of the skill. Having the client explain the procedure to the family does not directly assess their ability to perform the skill themselves; it tests their ability to communicate the information to others.

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