HESI LPN
HESI PN Exit Exam 2023
1. Which vitamin deficiency is most associated with night blindness?
- A. Vitamin A
- B. Vitamin B12
- C. Vitamin C
- D. Vitamin D
Correct answer: A
Rationale: The correct answer is Vitamin A. Vitamin A deficiency leads to night blindness because this vitamin is crucial for the formation of rhodopsin, a photopigment in the retina. Rhodopsin is essential for vision in low-light conditions. Vitamin B12 deficiency can lead to anemia and neurological issues but is not directly related to night blindness. Vitamin C deficiency can cause scurvy, affecting connective tissues, but not night vision. Vitamin D deficiency can lead to bone disorders but is not primarily associated with night blindness.
2. When administering IV fluids to a client with a history of congestive heart failure (CHF), what is the nurse's primary concern?
- A. Monitoring for signs of fluid overload.
- B. Ensuring the client receives enough fluids to prevent dehydration.
- C. Preventing electrolyte imbalances.
- D. Maintaining the prescribed rate of fluid administration.
Correct answer: A
Rationale: The primary concern when administering IV fluids to a client with a history of congestive heart failure (CHF) is monitoring for signs of fluid overload. Clients with CHF are particularly vulnerable to fluid overload, which can exacerbate their condition. Signs of fluid overload include edema and difficulty breathing. Therefore, the nurse must closely monitor these signs to prevent worsening of the client's condition. Choices B, C, and D are incorrect because while ensuring hydration, preventing electrolyte imbalances, and maintaining the prescribed rate of fluid administration are important, they are secondary concerns compared to the critical task of monitoring for fluid overload in a client with CHF.
3. The nurse is teaching a pregnant client how to distinguish prelabor contractions from true labor contractions. Which statement about prelabor contractions is accurate?
- A. They are irregular
- B. They are usually felt in the abdomen
- C. They start in the back and radiate to the abdomen
- D. They become more intense during walking
Correct answer: B
Rationale: The correct statement about prelabor contractions (Braxton Hicks contractions) is that they are usually felt in the abdomen. They are irregular in nature and do not intensify with movement. Choice A is incorrect because prelabor contractions are irregular, not regular. Choice C is incorrect as prelabor contractions do not start in the back and radiate to the abdomen. Choice D is incorrect as prelabor contractions do not become more intense during walking.
4. A dispersion consists of a solute dispersed through a dispersing vehicle. Which of the following dispersions is a liquid for topical application that contains insoluble solids or liquids?
- A. Ointment
- B. Lotion
- C. Paste
- D. Gel
Correct answer: B
Rationale: The correct answer is B, 'Lotion.' A lotion is a liquid dispersion that contains insoluble solids or liquids for topical application. Ointments are more semi-solid and occlusive, pastes are thicker and contain higher concentrations of solids, and gels have a jelly-like consistency due to their three-dimensional network structure. Therefore, among the options, a lotion is the most suitable choice for containing insoluble solids or liquids for topical application.
5. In which stage of Maslow's hierarchy of needs is a young adult attempting to achieve when deciding to change his work hours to devote more time to his community?
- A. Self-Actualization
- B. Intimacy vs. Isolation
- C. Altruism
- D. Purposefulness
Correct answer: A
Rationale: The correct answer is A: Self-Actualization. The young adult is striving for self-actualization, the highest level in Maslow's hierarchy of needs. Self-actualization is characterized by individuals seeking personal growth, self-fulfillment, and the ability to contribute to society. Choice B, Intimacy vs. Isolation, focuses on relationships and occurs at a different stage. Choice C, Altruism, although related to community contribution, does not specifically address personal growth and fulfillment as in self-actualization. Choice D, Purposefulness, is not a stage in Maslow's hierarchy of needs and is not directly relevant to the scenario described.
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