NCLEX-RN
NCLEX RN Exam Preview Answers
1. Which theory reflects the view that illness is caused by an imbalance or disharmony in the forces of nature?
- A. Germ theory
- B. Naturalistic theory
- C. Magicoreligious theory
- D. Biomedical or scientific theory
Correct answer: B
Rationale: The naturalistic theory posits that illness results from an imbalance or disharmony in the forces of nature. According to this theory, maintaining a natural balance or harmony is essential to prevent illness. Conversely, germ theory and biomedical or scientific theory attribute illness to microorganisms, while magicoreligious theory attributes illness to supernatural forces such as deities or spirits. Therefore, the most appropriate theory reflecting the belief that illness arises from a disruption in natural forces is the naturalistic theory.
2. When taking blood pressures on a variety of people at a health fair, what should the nurse keep in mind?
- A. After menopause, blood pressure readings in women are usually higher than those taken in men.
- B. The blood pressure of an African-American adult is usually higher than that of a non-Hispanic White adult of the same age.
- C. Blood pressure measurements in people who are overweight are usually higher than those of people who are at a normal weight.
- D. A teenager's blood pressure reading may be lower than that of an adult.
Correct answer: B
Rationale: When assessing blood pressures, it is important to consider that the blood pressure of African-American adults is typically higher than that of non-Hispanic White adults of the same age. This is significant as Black individuals in the United States have a higher prevalence of hypertension compared to other groups. Blood pressure readings in women are generally higher than in men after menopause. Additionally, blood pressure measurements in overweight individuals are typically higher than those in individuals of normal weight. While teenagers may have lower blood pressure readings than adults, it is crucial to recognize the trend of a gradual rise in blood pressure throughout childhood and into adulthood. Therefore, the correct choice is B. Choices A, C, and D are incorrect as they do not reflect the typical blood pressure differences observed in various populations.
3. A patient is asked to abduct her arms. Which of the following accurately describes her arm movement?
- A. She moves her arms away from her trunk
- B. She moves her arms toward her trunk
- C. She rotates her arms at the wrists while holding them away from her body
- D. She crosses her arms over her abdomen
Correct answer: A
Rationale: Abduction refers to moving a body part away from the midline of the body. In this case, when the patient abducts her arms, she is moving them away from her trunk. Choice A is correct. Choices B, C, and D are incorrect. Choice B describes adduction, which is the movement of a body part toward the midline. Choice C describes wrist rotation, not arm abduction. Choice D describes crossing the arms over the abdomen, which is not the movement associated with abduction.
4. When considering the concepts related to blood pressure, which statement best describes the concept of mean arterial pressure (MAP)?
- A. MAP is the pressure of the arterial pulse.
- B. MAP reflects the stroke volume of the heart.
- C. MAP is the pressure forcing blood into the tissues, averaged over the cardiac cycle.
- D. MAP is an average of the systolic and diastolic blood pressures and reflects tissue perfusion.
Correct answer: C
Rationale: Mean Arterial Pressure (MAP) is the pressure that forces blood into the tissues, averaged over the cardiac cycle. It is not the pressure of the arterial pulse (Choice A), nor does it directly reflect the stroke volume of the heart (Choice B). While MAP involves systolic and diastolic pressures, it is not simply an average of these two values as diastole lasts longer. Instead, MAP is closer to diastolic pressure plus one third of the pulse pressure. The best description of MAP is that it represents the pressure forcing blood into the tissues, averaged over the cardiac cycle.
5. During a work shift, how can a nurse best demonstrate the dynamic nature of the nursing process?
- A. Collaborating with the client to establish healthcare goals
- B. Reviewing the client's medical record history
- C. Explaining the purpose of administered medications to the client
- D. Rapidly resetting priorities for client care based on changes in the client's condition
Correct answer: D
Rationale: The nursing process is dynamic as it involves adapting to the changing health status of the client. Rapidly resetting priorities for client care based on changes in the client's condition exemplifies this dynamic nature by responding promptly to evolving circumstances. Collaborating with the client to establish healthcare goals (Option A), reviewing the client's medical record history (Option B), and explaining the purpose of administered medications to the client (Option C) are all essential nursing actions but do not directly showcase the dynamic nature of the nursing process.
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