NCLEX-RN
NCLEX RN Exam Preview Answers
1. The healthcare professional is preparing to percuss the abdomen of a patient. What characteristic of the underlying tissue does percussion assess?
- A. Turgor
- B. Texture
- C. Density
- D. Consistency
Correct answer: C
Rationale: Percussion is a technique used to assess the density of underlying organs by producing sounds that help determine their location and size. Turgor, texture, and consistency are primarily assessed through palpation, not percussion. Turgor refers to skin elasticity, texture pertains to the feel of the tissue surface, and consistency relates to the firmness or resistance of the tissue.
2. Mr. and Mrs. K have just adopted a newborn infant and are preparing to take him home from the hospital for the first time. Which safety measure is most appropriate for the clients in this situation?
- A. Turn the handles of pans on the stove inward
- B. Set up a baby gate at the top of the stairs
- C. Cover electrical outlets with child-proof plugs
- D. Install an approved car seat that is facing backward in the back seat
Correct answer: D
Rationale: Parents of newborn infants should use an approved car seat that has been installed facing backward in the back seat of the car. Securing infants in car seats, even from the first ride home from the hospital, promotes safety while transporting. While safety measures at home such as baby gates or outlet covers are important, they are not the priority safety measures until the baby is old enough to be mobile. The car seat is crucial for protecting the newborn during transportation, ensuring proper positioning and restraint in the event of sudden stops or accidents. Turning handles of pans on the stove inward, setting up a baby gate, and covering electrical outlets are important safety measures at home but are not as critical for the immediate safety of a newborn during transportation.
3. Following hospitalization for congestive heart failure, a client is discharged. The nurse teaching the family suggests they encourage the client to rest frequently in which of the following positions?
- A. High Fowler's
- B. Supine
- C. Left lateral
- D. Low Fowler's
Correct answer: A
Rationale: The correct answer is High Fowler's. Sitting in a chair or resting in a bed in the high Fowler's position helps decrease the cardiac workload and facilitates breathing in clients with congestive heart failure. This position helps reduce venous return and increases lung expansion, improving oxygenation. The supine position (choice B) may lead to increased pressure on the heart and lungs, making it less suitable for these clients. The left lateral position (choice C) is not as effective as High Fowler's in reducing cardiac workload and improving breathing. Low Fowler's position (choice D) does not provide the same benefits as the High Fowler's position for clients with congestive heart failure.
4. 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.
5. When assessing a patient's pulse, which of the following characteristics would the nurse also notice?
- A. Force
- B. Pallor
- C. Capillary refill time
- D. Timing in the cardiac cycle
Correct answer: A
Rationale: When assessing a patient's pulse, the nurse should observe characteristics such as rate, rhythm, and force. Force refers to the strength or amplitude of the pulse, which provides important information about cardiac output. Pallor is the paleness of the skin and is not directly related to pulse assessment. Capillary refill time is used to assess peripheral perfusion and is not specifically part of pulse assessment. Timing in the cardiac cycle is a broader concept and not a characteristic directly assessed during a pulse examination. Therefore, choice A, 'Force,' is the correct answer as it aligns with the standard parameters evaluated during pulse assessment.
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