NURS 6501 Discuss Alterations in Cellular Processes -

Sample Answer for NURS 6501 Discuss Alterations in Cellular Processes Included After Question

At its core, pathology is the study of disease. Diseases occur for many reasons. But some, such as cystic fibrosis and Parkinson’s Disease, occur because of alterations that prevent cells from functioning normally.

Understanding of signals and symptoms of alterations in cellular processes is a critical step in diagnosis and treatment of many diseases. For the Advanced Practice Registered Nurse (APRN), this understanding can also help educate patients and guide them through their treatment plans.

For this Discussion, you examine a case study and explain the disease that is suggested. You examine the symptoms reported and explain the cells that are involved and potential alterations and impacts.

RESOURCES

Be sure to review the Learning Resources before completing this activity.
Click the weekly resources link to access the resources.

WEEKLY RESOURCES

To prepare:

By Day 1 of this week, you will be assigned to a specific scenario for this Discussion. Please see the “Course Announcements” section of the classroom for your assignment from your Instructor.

BY DAY 3 OF WEEK 1

Post an explanation of the disease highlighted in the scenario you were provided. Include the following in your explanation:

The role genetics plays in the disease.
Why the patient is presenting with the specific symptoms described.
The physiologic response to the stimulus presented in the scenario and why you think this response occurred.
The cells that are involved in this process.
How another characteristic (e.g., gender, genetics) would change your response.

Read a selection of your colleagues’ responses.

BY DAY 6 OF WEEK 1

Respond to at least two of your colleagues on 2 different days and respectfully agree or disagree with your colleague’s assessment and explain your reasoning. In your explanation, include why their explanations make physiological sense or why they do not.

A Sample Answer For the Assignment: NURS 6501 Discuss Alterations in Cellular Processes

Title: NURS 6501 Discuss Alterations in Cellular Processes

The Role of Genetics Plays in the disease

Usually, it is mainly kids who are susceptible to strep throat. But it is known that if strep throat is recurrent in one family, it can be genetic. The specialized sites the specific group focuses on are the germinal center, which is in the tonsils and lymph nodes. The B cells pair up with a type of T cell called the follicular helper T also known as the TFH cell. This cell is supposed to help the B cell produce efficient antibodies. With recurrent strep A, the germinal centers seen in children’s tonsils with strep contain fewer B and TFH cells (La Jolla Institute for Immunology, 2019).

Presenting Specific Symptoms

These alterations are normal responses to the cells in the body because it presents the signs and symptoms of the body. Strep A is a gram-positive that grows in chains (Ashurst, 2022). With Strep A, the bacteria in the body cause many symptoms; the main one is throat inflammation (Ashurst, 2022). Which also comes with having a fever, swollen glands, trouble swallowing, white spots, and many more. The symptoms occurring in the patient after administering the first capsule of amoxicillin 500 mg result from allergic reactions to antibiotics. With all the symptoms listed that happened, we can conclude that this 16-year-old is allergic to amoxicillin and did not know.

The Physiologic Response to the Stimulus and why the Response Occurred

The physiologic response is shown by the patient presenting except a reddened posterior pharynx with white exudate on tonsils that are enlarged to 3+. It is also observed that positive anterior and posterior cervical adenopathy is present. The 16year old also showed signs of an allergic reaction which led to swelling, bronchoconstriction, and vasodilation. The response led to vasodilation which increases capillary permeability, causing inflammation which led to trouble breathing and wheezing, which he needed to be rushed to the hospital. Once you are positive, the body will start to attack and create a defense mechanism. “Thus, human immune responses against S. pyogenes consist of a robust Th1 cellular memory response in combination with IgG1/IgG3-dominated humoral immunity that increases with age”. (Mortensen et al., 2015). Since

The Cells Involved in this Process.

Strep A, as said before, is most common in children, but adults can get it too. “Cellular mediators of innate immunity used during host defense against GAS include epithelial cells, neutrophils, macrophages, and dendritic cells (DCs), which are reported to secrete several soluble inflammatory mediators, such as antimicrobial peptides (AMPs); eicosanoids, including PGE₂ and leukotriene B4 (LTB₄) chemokines; and proinflammatory cytokines” (Amelia et al., 2018). There can be numerous inflammatory complications that are associated with strep that can lead to chronic diseases in patients.

How Another Characteristic (e.g., gender, genetics) Would Change the Response

Since strep A occurs more in children, age would change the response because kids are more likely to get this than adults. “GAS is the most common bacterial cause of pharyngitis in children and adolescents, with a peak incidence in winter and early spring. A recent meta-analysis showed that the prevalence of GAS pharyngitis in those under 18 years old who presented to an outpatient center for treatment for a sore throat was 37%, and for children younger than 5, it was 24%” (Ashurst, 2022). If you get it as an adult, you usually see it before the age of, 40and then it declines.

References

Amelia T Soderholm, Timothy C Barnett, Matthew J Sweet, Mark J Walker, Group A streptococcal pharyngitis: Immune responses involved in bacterial clearance and GAS-associated immunopathologies, Journal of Leukocyte Biology, Volume 103, Issue 2, February 2018, Pages 193–213, https://doi.org/10.1189/jlb.4MR0617-227RRLinks to an external site.

Ashurst JV, Edgerley-Gibb L. Streptococcal Pharyngitis. [Updated 2022 May 8]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK525997/Links to an external site.

McCance, K. L. & Huether, S. E. (2019). Pathophysiology: The biologic basis for disease in adults and children (8th ed.). St. Louis, MO: Mosby/Elsevier

Mortensen, R., Nissen, T. N., Blauenfeldt, T., Christensen, J. P., Andersen, P., & Dietrich, J. (2015). Adaptive Immunity against Streptococcus pyogenes in Adults Involves Increased IFN-γ and IgG3 Responses Compared with Children. Journal of immunology (Baltimore, Md.: 1950), 195(4), 1657–1664. https://doi.org/10.4049/jimmunol.1500804

Muro S. Alterations in Cellular Processes Involving Vesicular Trafficking and Implications in Drug Delivery. Biomimetics (Basel). 2018 Jul 24;3(3):19. doi: 10.3390/biomimetics3030019. PMID: 31105241; PMCID: PMC6352689.

Strep throat. La Jolla Institute for Immunology. (2019, February 6). Retrieved March 2, 2023, from https://www.lji.org/diseases/strep-throat/#:~:text=And%2C%20the%20germinal%20centers%20seen,families%2C%20suggesting%20a%20genetic%20component

To prepare:

By Day 1 of this week, you will be assigned to a specific scenario for this Discussion. Please see the “Course Announcements” section of the classroom for your assignment from your Instructor.

By Day 3 of Week 1

Post an explanation of the disease highlighted in the scenario you were provided. Include the following in your explanation:

The role genetics plays in the disease.
Why the patient is presenting with the specific symptoms described.
The physiologic response to the stimulus presented in the scenario and why you think this response occurred.
The cells that are involved in this process.
How another characteristic (e.g., gender, genetics) would change your response.

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Read a selection of your colleagues’ responses.

Alterations in Cellular Processes NURS 6501 Discussion

By Day 6 of Week 1

Note: For this Discussion, you are required to complete your initial post before you will be able to view and respond to your colleagues’ postings. Begin by clicking on the “Post to Discussion Question” link and then select “Create Thread” to complete your initial post. Remember, once you click on Submit, you cannot delete or edit your own posts, and you cannot post anonymously. Please check your post carefully before clicking on Submit!

Submission and Grading Information

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Post by Day 3 of Week 1 and Respond by Day 6 of Week 1

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Week 1 Discussion

A Sample Answer 2 For the Assignment: NURS 6501 Discuss Alterations in Cellular Processes

Title: NURS 6501 Discuss Alterations in Cellular Processes

In this week’s particular scenario, a 16-year-old boy with an unremarkable history and no allergies is diagnosed with streptococcal pharyngitis after a proper physical examination and a rapid strep test is performed. Due to the patient’s lack of allergies, he is given an amoxicillin 500 mg to take every 12 hours for 10 days. He takes his first dose upon arriving home and develops an immediate response of swelling to his tongue and lips and difficulty breathing. He receives emergency treatment for his reaction after 911 is notified. The purpose of this discussion is to explain the highlighted disease in this scenario.

The Role of Genetics in the Disease

It can be deduced from the scenario that the 16-year-old boy had an anaphylactic reaction to the oral amoxicillin, an aminopenicillin. Having been in use since the 1970s, they are recognized as the most common cause of drug-induced delayed rashes, drug viral interactions, and infrequently, true IgE-mediated reactions (Blumenthal et al., 2019). The literature surrounding genetics and allergic reactions is sparse, but what can be found indicates that there is no strong connection between the two. The only significant information relative to this details that patients of self-determined European ancestry report more IgE-mediated hypersensitivity reactions, with the frequency of documented drug allergy being higher in adult women of self-reported European ancestry (Blumenthal et al., 2019). Female predominance has been stable across several studies relative to antibiotic allergies. No sex effect has been demonstrated in children (Blumenthal et al., 2019). In other words, I have deduced that genetics are not responsible for the amoxicillin reaction exhibited by the boy in the scenario.

Patient Presentation, Symptoms, and Physiological Response

As mentioned previously, the patient immediately developed swelling of the tongue and lips, as well as difficulty breathing, after his initial dose of amoxicillin. Physiologically speaking, angioedema results in inflammation and increased vascular permeability (Pier & Bingemann, 2020). Angioedema can be histamine-mediated or non-histamine-mediated. In the instance of the aforementioned scenario, the patient’s presentation is consistent with histamine-mediated angioedema (Kanani et al., 2018). This type can be allergic, pseudoallergic, or idiopathic. With anaphylaxis, the process is essentially the same, but also includes bronchospasm (Pier & Bingemann, 2020). As with hypersensitivity reactions, the immune system responds in an exaggerated and inappropriate manner towards an antigen or allergen (Justiz-Vaillant & Zito, 2019); in this case, it is the amoxicillin. According to Justiz-Vaillant and Zito (2019), the cause of the hypersensitive reaction is unknown, but may be indicative of lifestyle changes, a lack of breastfeeding, and air pollution.

The Cells Involved in the Process

In type I hypersensitivity reactions, antibiotic-specific IgE in this case, binds to Fc-epsilon-RI receptors that are present on mast cells and basophils (Maker et al., 2019). Once this is done, histamine is triggered and released, along with leukotrienes and other mediators, to cause vasodilation and increased capillary permeability. Any future antibiotic exposure leads to mast cell and basophil degranulation (Maker et al., 2019). In the instance of true anaphylaxis to amoxicillin, the patient is to be directed to avoid all penicillins and beta-lactams except aztreonam until further testing can be done (cite Penicillin allergy). It is also recommended to desensitize urgently if necessary or order immediate skin-testing.

Modifying Characteristics

Regarding characteristics that would change my response to the scenario, I mentioned previously that genetic studies were more available regarding adult females. In that case, I would be more inclined to investigate the patient’s genetic history by obtaining lab values where necessary. However, the treatment plan would essentially remain the same initially, with treating the immediate problem, followed by skin-testing. I would venture to say that the results of the genetic testing could easily sway the direction of future treatment, but desensitization would still be a likely route.

References

Blumenthal, K. G., Peter, J. G., Trubiano, J. A., & Phillips, E. J. (2019). Antibiotic allergy. The Lancet, 393(10167), 183–198. https://doi.org/10.1016/s0140-6736(18)32218-9

Pier, J., & Bingemann, T. A. (2020). Urticaria, angioedema, and anaphylaxis. Pediatr Rev, 41, 283-92.

Kanani, A., Betschel, S. D., & Warrington, R. (2018). Urticaria and angioedema. Allergy, Asthma & Clinical Immunology, 14(S2). https://doi.org/10.1186/s13223-018-0288-z

Justiz-Vaillant, A. A., & Zito, P. M. (2019). Immediate hypersensitivity reactions. In StatPearls. Treasure Island, FL: StatPearls Publishing. Retrieved from https://www.ncbi.nlm.nih.gov/books/NBK513315/

Maker, J. H., Stroup, C. M., Huang, V., & James, S. F. (2019). Antibiotic Hypersensitivity Mechanisms. Pharmacy, 7(3), 122. https://doi.org/10.3390/pharmacy7030122

A Sample Answer 3 For the Assignment: NURS 6501 Discuss Alterations in Cellular Processes

Title: NURS 6501 Discuss Alterations in Cellular Processes

I’m afraid I have to disagree with your physiologic explanation. The patient appears to have a type I hypersensitivity reaction in this scenario. Type I hypersensitivity reactions or anaphylaxis are characterized by bronchospasm, vasodilation, mucous hypersecretion, respiratory tract mucosa swelling, and hives (McCance & Huether, 2019, p. 264). While type II reactions can be caused by penicillin, the scenario gives no evidence of anemia or thrombocytopenia caused by the reaction to penicillin. The patient was experiencing wheezing related to bronchospasm. The patient was also experiencing difficulty breathing and swelling of the tongue and lips related to swelling of the respiratory tract mucosa. Type I reactions occur by the binding of IgE antibodies and mast cells. When these IgE-bound mast cells encounter the antigen, in this case, amoxicillin, the antigen also binds to the mast cell, causing degranulation and release of histamine and lipid mediators (Justiz Vaillant et al., 2022). Histamine acts through “H1 receptors causing bronchial constriction; increases vascular permeability, causing edema; and causes vasodilation, increasing blood flow into the affected area” (McCance & Huether, 2019, pp. 257-258). Lipid mediators cause symptoms similar to histamines, but it is a prolonged reaction and uses inflammatory cells to cause bronchial constriction, vascular permeability, and swelling (McCance & Huether, 2019, p. 258).

References

McCance, K. L. & Huether, S. E. (2019). Pathophysiology: The biologic basis for disease in adults and children (8th ed.). St. Louis, MO: Mosby/Elsevier.

Justiz Vaillant, A. A., Vashisht, R., & Zito, P. M. (2022). Immediate hypersensitivity reactions. National Library of Medicine. Retrieved March 1, 2023, from https://www.ncbi.nlm.nih.gov/books/NBK513315/

Grading Rubric Guidelines

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