NCLEX-RN
NCLEX RN Exam Preview Answers
1. The healthcare provider is preparing to use an otoscope for an examination. Which statement is true regarding the otoscope?
- A. Often used to direct light into the sinuses
- B. Used to examine the structures of the internal ear
- C. Uses a short, broad speculum to help visualize the ear
- D. Directs light into the ear canal and onto the tympanic membrane
Correct answer: D
Rationale: The otoscope is a tool used to examine the ear canal and tympanic membrane, which separates the external and middle ear. It is not intended to direct light into the sinuses or examine the internal structures of the ear. The otoscope typically uses a short, narrow speculum to aid in visualizing the ear canal and tympanic membrane, not a short, broad speculum as mentioned in choice C.
2. During the evaluation of the quality of home care for a client with Alzheimer's disease, the priority for the nurse is to reinforce which statement by a family member?
- A. "At least two (2) full meals a day are eaten."?
- B. "We go to a group discussion every week at our community center."?
- C. "We have safety bars installed in the bathroom and have 24-hour alarms on the doors."?
- D. "The medication is not a problem to have taken three (3) times a day."?
Correct answer: C
Rationale: The correct answer is, '"We have safety bars installed in the bathroom and have 24-hour alarms on the doors."?' Ensuring the safety of a client with Alzheimer's disease is crucial in home care. Installing safety features like bars in the bathroom and alarms on doors help prevent accidents and injuries. This contributes to creating a safe environment that promotes independence and autonomy for the client. Choices A, B, and D are incorrect because while they are important aspects of care, ensuring safety in the home environment takes precedence in caring for a client with Alzheimer's disease.
3. Which of the following is a fat-soluble vitamin?
- A. Vitamin C
- B. Vitamin D
- C. Vitamin B-6
- D. Riboflavin
Correct answer: B
Rationale: The correct answer is Vitamin D. Fat-soluble vitamins are those that can be stored in the body, allowing excess amounts to be stored for later use. While this storage ability can help prevent deficiencies, it also poses a risk of toxicity. The fat-soluble vitamins are A, E, D, and K. Choice A, Vitamin C, is water-soluble, not fat-soluble. Choice C, Vitamin B-6, and Choice D, Riboflavin, are also water-soluble vitamins and not fat-soluble.
4. When a patient refuses to believe a terminal diagnosis, they are exhibiting:
- A. Regression
- B. Mourning
- C. Denial
- D. Rationalization
Correct answer: C
Rationale: Denial is a defense mechanism where a patient rejects a reality that is too painful or difficult to accept. In the context of a terminal diagnosis, the patient may refuse to believe it in order to avoid facing the harsh truth. Regression (choice A) involves reverting to earlier, more childlike behaviors and is not applicable in this scenario. Mourning (choice B) is the process of grieving a loss, which typically occurs after acceptance of the diagnosis. Rationalization (choice D) is creating logical explanations to justify unacceptable behaviors, which is not the case when a patient denies a terminal diagnosis.
5. When assessing the pulse of a 6-year-old patient, the nurse notices that the heart rate varies with the respiratory cycle, speeding up at the peak of inspiration and slowing to normal with expiration. What action would the nurse take next?
- A. Notify the physician.
- B. Record this finding as normal.
- C. Check the child's blood pressure and note any variation with respiration.
- D. Document that this child has bradycardia and continue with the assessment.
Correct answer: B
Rationale: The correct action for the nurse to take next is to record this finding as normal. Sinus dysrhythmia, characterized by heart rate variation with the respiratory cycle, is commonly found in children and young adults. The heart rate speeds up at the peak of inspiration and slows to normal with expiration. This phenomenon is a normal variant and does not require any intervention. There is no need to notify the physician as this finding is within the expected range for this age group. Checking the child's blood pressure for variations with respiration or documenting the child as having bradycardia would not be appropriate in this case, as sinus dysrhythmia is a normal physiological response.
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