ATI RN
MSN 570 Advanced Pathophysiology Final 2024
1. What are the signs of thyroid crisis resulting from Graves' disease?
- A. Constipation with gastric distension.
- B. Bradycardia and bradypnea.
- C. Hyperthermia and tachycardia.
- D. Constipation and lethargy.
Correct answer: C
Rationale: In a thyroid crisis resulting from Graves' disease, the patient typically experiences symptoms such as hyperthermia (elevated body temperature) and tachycardia (rapid heart rate). These symptoms are indicative of the hypermetabolic state seen in thyroid storm. Choices A and D are incorrect as constipation and lethargy are not typical signs of a thyroid crisis; instead, patients with hyperthyroidism often experience diarrhea and agitation. Choice B is incorrect because bradycardia (slow heart rate) and bradypnea (slow breathing rate) are more commonly associated with hypothyroidism rather than a thyroid crisis in Graves' disease.
2. Which of the following imbalances is found in clients with syndrome of inappropriate antidiuretic hormone (SIADH)?
- A. Decreased insulin production
- B. Decreased antidiuretic hormone (ADH) production
- C. Increased secretion of antidiuretic hormone (ADH)
- D. Increased production of insulin
Correct answer: C
Rationale: The correct answer is C: Increased secretion of antidiuretic hormone (ADH). Syndrome of inappropriate antidiuretic hormone (SIADH) is characterized by the excessive release of ADH, which leads to water retention and dilution of blood sodium levels. Choices A, B, and D are incorrect because SIADH is not associated with decreased insulin production, decreased ADH production, or increased production of insulin.
3. The unique clinical presentation of a 3-month-old infant in the emergency department leads the care team to suspect botulism. Which assessment question posed to the parents is likely to be most useful in the differential diagnosis?
- A. Have you ever given your child any honey or honey-containing products?
- B. Is there any family history of neuromuscular diseases?
- C. Has your baby ever been directly exposed to any chemical cleaning products?
- D. Is there any mold in your home that you know of?
Correct answer: A
Rationale: The correct answer is A. Botulism in infants is often linked to honey consumption. Asking the parents if they have ever given their child any honey or honey-containing products can provide crucial information for the differential diagnosis. This is important because infant botulism is commonly associated with the ingestion of honey contaminated with Clostridium botulinum spores. Choices B, C, and D are less relevant to botulism in infants as they do not directly relate to the typical causes of the condition. Family history of neuromuscular diseases (choice B) may be important for other conditions but not specifically for infant botulism. Direct exposure to chemical cleaning products (choice C) and the presence of mold in the home (choice D) are not typical risk factors for infant botulism.
4. 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.
5. What is a common trigger for acute bronchospasm in asthma?
- A. Infection
- B. Allergic reaction
- C. Excessive exercise
- D. High altitude
Correct answer: B
Rationale: An allergic reaction is a common trigger for acute bronchospasm in asthma patients. When individuals with asthma come in contact with allergens like pollen, dust mites, or pet dander, it can lead to an allergic reaction that triggers bronchospasm. Infections, excessive exercise, and high altitudes can exacerbate asthma symptoms, but they are not the most common trigger for acute bronchospasm in asthma patients.
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