ATI RN
MSN 570 Advanced Pathophysiology Final 2024
1. In a patient with a subconjunctival hemorrhage due to allergic rhinitis, which statement is accurate?
- A. The hemorrhage will resolve without treatment within 2 weeks.
- B. The patient should be referred for immediate ophthalmologic examination.
- C. Oral antihistamines should be started to prevent further complications.
- D. Topical corticosteroids may be considered to reduce inflammation.
Correct answer: A
Rationale: In a patient with a subconjunctival hemorrhage secondary to allergic rhinitis, the hemorrhage is typically self-limiting and will resolve on its own within 2 weeks without the need for specific treatment. Referring the patient for immediate ophthalmologic examination is not necessary unless there are other concerning symptoms. Starting oral antihistamines may help manage the underlying allergic rhinitis but is not specifically indicated for the hemorrhage. Topical corticosteroids are not routinely prescribed for subconjunctival hemorrhage as they may have limited benefit and could potentially cause complications.
2. Which manifestation of stress reflects the non-specific fight or flight response?
- A. Decreased pupillary light response
- B. Increased GI motility
- C. Decreased short-term memory
- D. Increased cardiopulmonary rates
Correct answer: D
Rationale: The correct answer is D, 'Increased cardiopulmonary rates.' The fight or flight response, activated by stress, is a non-specific physiological reaction that prepares the body to deal with perceived threats. In this response, the heart rate and breathing rate increase to supply more oxygen to muscles and vital organs, enabling a rapid response in dangerous situations. Choices A, B, and C are incorrect because decreased pupillary light response, increased GI motility, and decreased short-term memory are not typical manifestations of the fight or flight response.
3. A client with chronic bronchitis is receiving education from a healthcare provider about the condition. Which statement made by the client indicates a need for further teaching?
- A. I should avoid being around people who smoke.
- B. I should try to avoid any exposure to pollutants and irritants.
- C. I should limit my fluid intake to avoid worsening my cough.
- D. I should use my inhaler regularly, even when I don't have symptoms.
Correct answer: C
Rationale: The correct answer is C because limiting fluid intake is not recommended for chronic bronchitis. Hydration is essential as it helps thin mucus, making it easier to clear from the airways. Choices A, B, and D are all correct statements for managing chronic bronchitis. Avoiding exposure to smoke, pollutants, and irritants can help reduce respiratory symptoms and exacerbations. Using the inhaler regularly, even in the absence of symptoms, is crucial for controlling inflammation and maintaining airway function.
4. A 20-year-old college student has presented to her campus medical clinic for a scheduled Pap smear. The clinician who will interpret the smear will examine cell samples for evidence of:
- A. Changes in cell shape, size, and organization
- B. Presence of unexpected cell types
- C. Ischemic changes in cell sample
- D. Abnormally high numbers of cells
Correct answer: A
Rationale: The correct answer is changes in cell shape, size, and organization (Choice A). Pap smears are performed to detect potential precancerous or cancerous conditions by examining the cells for any abnormalities in their shape, size, or organization. This helps in identifying early signs of cervical cancer. Choices B, C, and D are incorrect because Pap smears primarily focus on detecting cellular changes associated with cancer, not unexpected cell types, ischemic changes, or abnormally high numbers of cells.
5. Which of the following is an example of a Type 1 hypersensitivity reaction?
- A. Anaphylaxis
- B. Indigestion
- C. Beta cell destruction
- D. ABO transfusion reaction
Correct answer: A
Rationale: Anaphylaxis is a classic example of a Type 1 hypersensitivity reaction. In Type 1 hypersensitivity, allergens trigger an immediate immune response mediated by IgE antibodies, leading to the release of histamine and other mediators. This reaction can result in symptoms ranging from mild itching and hives to severe conditions like anaphylaxis, which is a life-threatening emergency. The other options, such as indigestion (choice B), beta cell destruction (choice C), and ABO transfusion reaction (choice D), are not classified as Type 1 hypersensitivity reactions. Indigestion is typically related to gastrointestinal disturbances, beta cell destruction is associated with autoimmune conditions like type 1 diabetes, and ABO transfusion reaction involves antibodies targeting incompatible blood groups, which is a different immune mechanism compared to Type 1 hypersensitivity.
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