which of the following medications is a serotonin antagonist that might be used to relieve nausea and vomiting which of the following medications is a serotonin antagonist that might be used to relieve nausea and vomiting
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NCLEX PN 2023 Quizlet

1. Which of the following medications is a serotonin antagonist that might be used to relieve nausea and vomiting?

Correct answer: ondansetron (Zofran)

Rationale: Zofran is a serotonin antagonist commonly used to relieve nausea and vomiting by blocking serotonin receptors. Metoclopramide (Reglan) acts on dopamine receptors, hydroxyzine (Vistaril) is an antihistamine, and prochlorperazine (Compazine) is a dopamine antagonist. While these medications can also be used for nausea and vomiting, they do not primarily function as serotonin antagonists like ondansetron.

2. When caring for a Native-American family, what does the nurse need to consider?

Correct answer: Some Native Americans use herbs and psychologic treatments for illnesses.

Rationale: When caring for a Native-American family, it is crucial to acknowledge and respect their cultural beliefs and practices. Choice A, while relevant, is not as specific as understanding the use of herbs and psychologic treatments in Native American healing practices. Choice B, though generally true, does not directly impact the nursing care provided. Choice D, although true, is too broad and does not focus on the specific aspect of treatment practices. Choice C is the most appropriate answer as it highlights the importance of recognizing and incorporating traditional healing methods into the nursing care plan, promoting culturally sensitive and holistic care.

3. If Ms. Barrett’s distance vision is 20/30, which of the following statements is true?

Correct answer: The client can read from 20' what a person with normal vision can read at 30'.

Rationale: When Ms. Barrett's distance vision is measured as 20/30, it means that she can read from 20 feet away what a person with normal vision can read at 30 feet. The numerator (20) represents the distance in feet between the chart and the client, while the denominator (30) indicates the distance at which a normal eye can read the chart. In this case, Ms. Barrett's vision is slightly worse than normal, as she needs to be closer to the chart to read it clearly. Therefore, choice A is correct. Choices B, C, and D are incorrect: Choice B reverses the distances, Choice C assumes the client can read the entire chart from 30 feet, and Choice D introduces information not related to the 20/30 measurement.

4. What are the basic reasons American families are having difficulty adequately performing their vital health care function?

Correct answer: structure of the health care system and family structure

Rationale: The correct answer is the 'structure of the health care system and family structure'. Scholars suggest that the reasons families are having difficulty providing health care for their members lie with both the structure of the health care system and the family structure. Major factors explaining differences in utilization patterns of medical services include the lack of healthcare insurance coverage, lack of services for special populations (such as teenage males), perception by families of the health care system and the health care provider, and lack of partnership between health care providers and families in mutually addressing health care issues. Choices B, C, and D are incorrect as they do not address the fundamental reasons related to the health care system and family structure as discussed in the provided extract.

5. When inspecting the ears for cerumen impaction, the nurse checks for which finding?

Correct answer: A yellowish or brownish waxy material in the external auditory canal

Rationale: When inspecting the ears for cerumen impaction, the nurse should look for a yellowish or brownish waxy material in the external auditory canal. Cerumen, also known as ear wax, is a secretion that can become impacted due to various reasons. It is produced by the vestigial apocrine sweat glands in the external ear canal. Cerumen may partially obscure the eardrum or totally occlude the ear canal. The other options, redness and swelling of the tympanic membrane, an external auditory canal that is longer than normal, and the presence of edema in the external auditory canal, are not indicative findings of cerumen impaction.

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