while conducting a mental status examination of a newly admitted male client the pn notes that his head is lowered and he shows no emotion or expressi
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HESI LPN

HESI PN Exit Exam 2023

1. While conducting a mental status examination of a newly admitted male client, the PN notes that his head is lowered, and he shows no emotion or expression when speaking. Based on these observations, what documentation should the PN include?

Correct answer: C

Rationale: The correct answer is C: 'Flat affect.' Flat affect refers to a lack of emotional expression, which the PN observed in the client. This observation is significant as it can provide valuable information for the client's mental health assessment and subsequent care planning. Choice A, 'Impaired verbalization,' does not capture the lack of emotional expression seen in the client. Choice B, 'Depressed mood,' may not accurately reflect the observed behavior of the client. Choice D, 'Diminished LOC,' pertains to the level of consciousness, which was not indicated as being a concern in the scenario provided.

2. What is the primary function of surfactant in the lungs?

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.

3. What is the most common cause of acute pancreatitis?

Correct answer: A

Rationale: The correct answer is A: Gallstones. Gallstones are the most common cause of acute pancreatitis as they obstruct the pancreatic duct, leading to inflammation. While alcohol abuse (Choice B) can also cause pancreatitis, gallstones are more prevalent. Hypertriglyceridemia (Choice C) is a less common cause of acute pancreatitis compared to gallstones. Infection (Choice D) is not a primary cause of acute pancreatitis; gallstones are the leading etiology.

4. Thirty minutes after receiving IV morphine, a postoperative client continues to rate pain as 7 on a 10-point scale. Which action should the PN implement first?

Correct answer: C

Rationale: The most appropriate action for the PN to implement first is to implement complementary pain relief methods. This includes repositioning the client, applying heat or cold packs, or using relaxation techniques. These strategies can provide additional pain relief before the next dose of medication is due or before seeking further instructions from the healthcare provider. Calling the healthcare provider immediately to request a different analgesic (Choice A) may not be necessary at this moment since other non-pharmacological methods can be attempted first. Determining when morphine can be given again (Choice B) is important but addressing the client's immediate pain relief takes precedence. Observing the dressing for bleeding (Choice D) is important but not the first priority when the client is experiencing unrelieved pain.

5. Which type of cell is responsible for producing antibodies in the immune system?

Correct answer: A

Rationale: The correct answer is A: B lymphocytes. B lymphocytes (B cells) are a crucial part of the adaptive immune system. They produce antibodies, which are proteins that specifically target and neutralize pathogens such as bacteria and viruses. T lymphocytes (choice B) are involved in cell-mediated immunity rather than antibody production. Macrophages (choice C) are phagocytic cells that engulf and digest pathogens but do not produce antibodies. Neutrophils (choice D) are a type of white blood cell that primarily function in the innate immune response by phagocytosing pathogens.

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