ATI RN
Pathophysiology Practice Questions
1. Which of the following chronic inflammatory skin disorders is characterized by angiogenesis, immune cell activation (particularly T cells), and keratinocyte proliferation?
- A. Psoriasis
- B. Melanoma
- C. Atopic dermatitis
- D. Urticaria
Correct answer: A
Rationale: Psoriasis is the correct answer. Psoriasis is a chronic inflammatory skin disorder characterized by angiogenesis, immune cell activation (particularly T cells), and keratinocyte proliferation. Choice B, Melanoma, is a type of skin cancer involving melanocytes, not characterized by the features mentioned. Choice C, Atopic dermatitis, is a different inflammatory skin condition associated with pruritus and eczematous lesions, not primarily characterized by angiogenesis. Choice D, Urticaria, is a skin condition characterized by hives and wheals due to histamine release, not typically involving the features mentioned in the question.
2. A patient is starting on oral contraceptives. What should the nurse emphasize about the importance of taking the medication at the same time each day?
- A. Taking the medication at the same time each day helps maintain stable hormone levels and ensures effectiveness.
- B. Taking the medication at the same time each day reduces the risk of breakthrough bleeding.
- C. Taking the medication at the same time each day ensures consistent absorption and effectiveness.
- D. Taking the medication at the same time each day is important, but missing a dose occasionally is not a concern.
Correct answer: A
Rationale: The correct answer is A. Taking oral contraceptives at the same time each day helps maintain stable hormone levels and ensures their effectiveness in preventing pregnancy. Choice B is incorrect because the primary emphasis of consistent timing is on hormone levels and effectiveness, not on reducing breakthrough bleeding. Choice C is incorrect because while consistent absorption is a factor, the main focus is on maintaining stable hormone levels. Choice D is incorrect as missing doses can significantly impact contraceptive efficacy.
3. An older adult patient comes to the clinic complaining of not being able to do what he used to be able to. You know that normal changes associated with aging include:
- A. Improved blood flow
- B. Slowed metabolic rate
- C. Increased brain weight
- D. Improved nerve fiber conduction
Correct answer: B
Rationale: Normal changes associated with aging include a slowed metabolic rate and decreased brain weight. Option A, 'Improved blood flow,' is incorrect as aging is generally associated with reduced vascular health rather than improved blood flow. Option D, 'Improved nerve fiber conduction,' is incorrect as aging typically leads to a decline in nerve function rather than improvement.
4. When evaluating the success of adding raltegravir to the drug regimen of a 42-year-old female patient with HIV, which laboratory value should the nurse prioritize?
- A. The patient's C-reactive protein levels
- B. The patient's erythrocyte sedimentation rate (ESR)
- C. The patient's viral load
- D. The patient's CD4 count
Correct answer: C
Rationale: The correct answer is C: The patient's viral load. In HIV management, monitoring the viral load is crucial to assess the effectiveness of antiretroviral therapy. A decrease in viral load indicates the treatment's success in controlling the HIV infection. Choices A, B, and D are less relevant in this context. C-reactive protein levels and erythrocyte sedimentation rate are markers of inflammation and non-specific indicators of infection, not specifically for HIV. CD4 count is important but not as immediate for evaluating the response to the newly added medication compared to monitoring the viral load.
5. What important point should the nurse emphasize about taking oral contraceptives consistently?
- A. Oral contraceptives must be taken at the same time each day to maintain consistent hormone levels and ensure effectiveness in preventing pregnancy.
- B. Oral contraceptives should be taken in the morning to avoid side effects at night.
- C. Oral contraceptives should be taken with food to enhance absorption.
- D. Oral contraceptives can be skipped occasionally without significant consequences.
Correct answer: A
Rationale: The correct answer is A. It is crucial for patients taking oral contraceptives to take them at the same time each day to maintain consistent hormone levels, which is essential for their effectiveness in preventing pregnancy. Choice B is incorrect as the timing of the medication is more about consistency than avoiding side effects at night. Choice C is incorrect as oral contraceptives do not necessarily need to be taken with food for absorption. Choice D is incorrect because skipping oral contraceptives occasionally can significantly reduce their effectiveness in preventing pregnancy.
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