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Biological & Biomedical Sciences
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Case Study
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Chlorpyrifos Effects to Jones Family

Case Study Instructions:
Mr. Jones, age 37, is the CEO and owner of Jones Farm. He inherited the farm from his father and resides in the family home there with his wife Jane, age 35, and 4-year-old daughter, Angel. The Jones Farms is a large producer of various fruits, vegetables, and grains. Through trial and error, Mr. Jones, found a local company that produces an insecticide containing chlorpyrifos to be the most economical and effective insecticide for his crops. This insecticide has been used for almost 7 years at the farm for every crop produced. With easy access to this insecticide on the farm, it has been commonly used for pest control within their large home as well. Being proud owners of the crops grown on the farm, the Jones family often take advantage of the fresh fruits and vegetables available for their own table. Their consumption of the farm’s harvest has increased since the COVID-19 pandemic has negatively impacted their finances. The Joneses and their toddler, Angel, enjoyed fresh fruit and vegetables from the farm throughout the day. Mr. and Mrs. Jones have recently grown increasingly concerned about their daughter’s development. They have noticed that Angel seems to still be having a hard time with potty training despite being 4 years old. She has not picked up on basic colors and animals sounds that her preschool peers have almost mastered. Angel’s preschool teacher has mentioned that all children learn at their own pace but has voiced another concern with Mr. and Mrs. Jones regarding Angel’s motor skills development. While Mr. Jones appears relatively healthy, both he and Mrs. Jones frequently experience migraines which they attribute to the stress of everyday life and finances. Mrs. Jones often experiences nausea and even vomiting along with migraines. After reading the case study and researching chlorpyrifos, respond to the following discussion points: Identify how the family members could have been exposed to chlorpyrifos. Identify the exposure pathway of chlorpyrifos. What organ systems were affected by the chemical? What observable acute and chronic effects could be produced from exposure to the chlorpyrifos? What effects were observed in the case study? How and why are the effects different in the individuals? (i.e., what individual profile factors can affect toxicity?) How could exposure to the chemical be avoided? The paper must have a minimum of two pages, not counting the title and reference pages. Utilize at least three credible references, one of which may be the textbook, and one of which must come from the CSU Online Library. All sources used, including the textbook, must be referenced. Paraphrased and quoted material must have accompanying citations. Adhere to APA Style when constructing this assignment, including in-text citations and references for all sources that are used. Please note that no abstract is needed.
Case Study Sample Content Preview:
Chlorpyrifos Effects to Jones Family Your Name Subject and Section Professor’s Name March 16, 2025 Chlorpyrifos (CPF) is one of the most extensively used organophosphate pesticides farmers deploy regularly to manage pests in agricultural fields. The effectiveness of Chlorpyrifos does not outweigh research-based concerns regarding its dangerous properties, which include neurotoxicity alongside endocrine disruption and systemwide adverse impacts on human health (Wołejko et al., 2022). On the one hand, this case shows how long-term exposure to CPF generates health dangers for the Jones family. On the other hand, the research examines how the Jones family encountered CPF exposure while discussing the emergency and long-term symptoms of the harmed body systems and methods to stop future exposures. Exposure Pathways All Jones family members received continuous exposure to CPF through contact with different pathways. CPF exposure through inhalation became likely because the farmer used CPF heavily for crop protection and household pest control. Respiratory and systemic absorption started when the family members inhaled airborne particles. The skin absorption of CPF appears feasible because the family handled treated produce while touching areas where treatments were done on their home surfaces. Based on studies, it could be seen that the hazard exposure to CPF increased due to the regular consumption of homegrown fresh fruits and vegetables, potentially containing CPF residue levels. CPF presence in food items remains significant because they can exist in products after cleaning procedures (ur Rahman et al., 2021). Affected Organ Systems The whole body reacts to CPF contact through multiple organ impacts. The nervous system receives substantial damage when CPF blocks the activity of acetylcholinesterase (AChE), thus causing acetylcholine build-up and producing neurotoxic effects that often result in developmental delays and cognitive problems (ur Rahman et al., 2021). The hormone-regulating properties of CPF qualify it as an endocrine disruptor because the compound creates disturbances in hormonal control systems, which lead to developmental disabilities and reproductive problems. The hepatic and renal systems show sensitivity to CPF...
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