a 20 year old male shoots his hand with a nail gun while replacing roofing shingles which of the following cell types would be the first to aid in ki
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Nursing Elites

ATI RN

MSN 570 Advanced Pathophysiology Final 2024

1. Which of the following cell types would be the first to aid in killing bacteria to prevent infection in his hand?

Correct answer: B

Rationale: Neutrophils are the first responders to a bacterial infection. They are phagocytes that engulf and destroy bacteria, playing a crucial role in the early stages of the immune response. Eosinophils are primarily involved in combating parasitic infections and allergic reactions, not bacterial infections. Leukotrienes are signaling molecules that contribute to inflammation and immune responses, but they are not cells. Monocytes are another type of white blood cell that differentiates into macrophages and dendritic cells, playing a role in immune response but not as immediate as neutrophils.

2. A 10-year-old male presents to his primary care provider reporting wheezing and difficulty breathing. History reveals that both of the child's parents suffer from allergies. Which of the following terms would be used to classify the child?

Correct answer: B

Rationale: In this case, the correct term to classify the child is 'Atopic.' Atopic individuals have a genetic predisposition to developing allergic conditions, as seen in this patient with a family history of allergies. 'Desensitized' refers to reduced sensitivity to an allergen, which is not the case here. 'Hyperactive' relates to an exaggerated response, and 'Autoimmune' involves the immune system attacking its own cells, neither of which accurately describes the child's classification based on the provided history.

3. A family member expresses concern to a nurse about behavioral changes in an elderly aunt. Which would cause the nurse to suspect a cognitive impairment disorder?

Correct answer: D

Rationale: The correct answer is D. Problems with tasks like meal preparation and balancing a checkbook can indicate cognitive impairment, as these activities involve cognitive functions such as memory, attention, and executive function. Choices A, B, and C are less indicative of cognitive impairment. Decreased interest in activities and increased complaints of physical ailments may be related to other factors like depression, while fear of being alone at night could be due to anxiety or other psychological issues.

4. An oncology nurse is providing care for an adult patient who is currently immunocompromised. The nurse is aware of the physiology involved in hematopoiesis and immune function, including the salient role of cytokines. What is the primary role of cytokines in maintaining homeostasis?

Correct answer: B

Rationale: The primary role of cytokines in maintaining homeostasis is to perform a regulatory function in the development of diverse blood cells. Cytokines act as signaling molecules that regulate the immune response and hematopoiesis. Choice A is incorrect because cytokines do not perform phagocytosis; they regulate immune responses. Choice C is incorrect because while cytokines are involved in the formation of some blood cells, they are not considered the basic 'building blocks' of all blood cells. Choice D is incorrect because cytokines are not formed in response to antibodies, but rather play a role in the immune response to various stimuli.

5. A 25-year-old just had a colonoscopy and was diagnosed with Crohn disease. Which of the following symptoms is consistent with this diagnosis?

Correct answer: A

Rationale: The correct answer is A: Right lower quadrant cramping. Crohn's disease commonly presents with abdominal pain, particularly in the right lower quadrant. Choice B, severe bloody diarrhea, is more characteristic of ulcerative colitis, another type of inflammatory bowel disease. Choice C, nausea and vomiting, are not typical symptoms of Crohn's disease. Choice D is incorrect as Crohn's disease can affect any part of the gastrointestinal tract, not just the rectum.

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