ATI RN
WGU Pathophysiology Final Exam
1. A client with multiple sclerosis (MS) is experiencing a relapse. Which of the following factors is most likely contributing to the relapse?
- A. Taking an over-the-counter multivitamin
- B. Experiencing high levels of emotional stress
- C. Getting a flu shot
- D. Engaging in strenuous physical activity
Correct answer: B
Rationale: Emotional stress can trigger a relapse in multiple sclerosis by exacerbating symptoms. While taking an over-the-counter multivitamin and getting a flu shot are generally safe, they are not typically known to trigger MS relapses. Engaging in strenuous physical activity, if done carefully, can actually have benefits for individuals with MS by improving strength and mobility, so it is less likely to be the cause of a relapse.
2. A 30-year-old woman is taking an oral contraceptive and is concerned about the potential side effects. What should the nurse include in the patient education?
- A. Oral contraceptives can cause weight loss and increased energy levels.
- B. Oral contraceptives can cause increased appetite and weight gain.
- C. Oral contraceptives can cause headaches and breast tenderness.
- D. Oral contraceptives have no side effects.
Correct answer: C
Rationale: The correct answer is C: 'Oral contraceptives can cause headaches and breast tenderness.' It is essential for the nurse to educate the patient about common side effects of oral contraceptives, such as headaches and breast tenderness. Choices A, B, and D are incorrect. Weight loss and increased energy levels (Choice A) are not common side effects of oral contraceptives. Similarly, increased appetite and weight gain (Choice B) are not typical side effects. Finally, stating that oral contraceptives have no side effects (Choice D) is inaccurate as they can have various side effects, albeit usually mild and manageable.
3. 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.
4. An imbalance of which of the following hormones could lead to increased calcium levels in the blood?
- A. Parathyroid hormone
- B. Antidiuretic hormone
- C. Calcitonin
- D. Melatonin
Correct answer: A
Rationale: The correct answer is Parathyroid hormone (Choice A). Parathyroid hormone plays a key role in regulating calcium levels in the blood. When there is an imbalance in parathyroid hormone secretion, it can lead to increased calcium levels in the blood. Antidiuretic hormone (Choice B) is involved in regulating water balance, not calcium levels. Calcitonin (Choice C) helps lower blood calcium levels and is unlikely to cause an increase. Melatonin (Choice D) regulates sleep-wake cycles and does not have a direct effect on calcium levels in the blood.
5. Canola oil produced from genetically modified canola plants altered to be herbicide-resistant is an example of a:
- A. pesticide-free food.
- B. saturated fat food.
- C. genetically modified food.
- D. product that is pure.
Correct answer: C
Rationale: The correct answer is 'genetically modified food.' Canola oil derived from genetically modified canola plants falls into this category because the plant's genome has been altered to exhibit herbicide resistance. This genetic modification makes it a genetically modified food. Choice A, 'pesticide-free food,' is incorrect as the genetic modification is to resist herbicides, not pesticides. Choice B, 'saturated fat food,' is incorrect as it does not accurately describe the genetic modification of the canola plants. Choice D, 'product that is pure,' is too vague and does not address the genetic modification aspect of the canola plants.
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