HESI LPN
HESI PN Exit Exam 2024 Quizlet
1. What disorder closely matches Suzy's symptoms?
- A. Antisocial personality disorder
- B. Borderline personality disorder
- C. Schizoid personality disorder
- D. Dissociative Identity Disorder
Correct answer: B
Rationale: Suzy's symptoms are characteristic of Borderline Personality Disorder (BPD). BPD includes instability in relationships, self-image, and emotions, as well as impulsivity and self-harm. Choice A, Antisocial personality disorder, is characterized by a disregard for others' rights and lack of empathy, which does not align with Suzy's symptoms. Schizoid personality disorder, choice C, is characterized by a lack of interest in social relationships, which is not a prominent feature in Suzy's case. Dissociative Identity Disorder, choice D, involves the presence of two or more distinct identities or personality states, which is not reflected in Suzy's symptoms.
2. 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.
3. You are teaching students about how hyperosmotic agents (osmotic diuretics) are used to treat intracranial pressure. Which of the following is NOT one of the functions of hyperosmotic agents?
- A. Reduces brain metabolism and systemic blood pressure
- B. Reduces cerebral edema
- C. Dehydrates the brain
- D. Draws fluids from extravascular spaces into the plasma
Correct answer: A
Rationale: Hyperosmotic agents primarily work by reducing cerebral edema, dehydrating the brain, and drawing fluids from extravascular spaces into the plasma. However, they do not have a direct effect on reducing brain metabolism or systemic blood pressure. Therefore, the correct answer is A. Choice B is correct as hyperosmotic agents do help in reducing cerebral edema. Choice C is accurate as hyperosmotic agents dehydrate the brain. Choice D is also true as these agents draw fluids from extravascular spaces into the plasma.
4. What is the primary function of surfactant in the lungs?
- A. Reduce surface tension
- B. Enhance oxygen absorption
- C. Facilitate carbon dioxide release
- D. Increase lung volume
Correct answer: A
Rationale: The primary function of surfactant in the lungs is to reduce surface tension in the alveoli. This reduction in surface tension prevents lung collapse and allows for easier breathing. It is particularly crucial in premature infants to help with lung expansion. Choice B is incorrect because surfactant primarily affects surface tension, not oxygen absorption. Choice C is incorrect because surfactant's main role is not in facilitating carbon dioxide release. Choice D is incorrect because surfactant does not directly increase lung volume; its main role is in reducing surface tension.
5. Which of the following is NOT a second-line agent used for the treatment of Tuberculosis?
- A. Amikacin
- B. Moxifloxacin
- C. Rifabutin
- D. Cycloserine
Correct answer: C
Rationale: The correct answer is C, Rifabutin. Rifabutin is actually a first-line drug used in the treatment of tuberculosis. Choices A, B, and D (Amikacin, Moxifloxacin, and Cycloserine) are considered second-line agents for tuberculosis treatment. These drugs are used when the first-line medications are either ineffective or cannot be tolerated by the patient.
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