a child who attends a day care center has been admitted to the pediatric unit with diarrhea and abdominal cramping he has been diagnosed with giardias
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Nursing Elites

ATI RN

ATI Pathophysiology Exam 2

1. After ingestion of cysts, how long does it take for the symptoms of giardiasis to develop?

Correct answer: B

Rationale: Giardiasis symptoms typically develop 3 to 5 days after ingestion of the cysts. This timeframe aligns with the incubation period of the Giardia parasite. Choice A (12 to 24 hours) is too short for giardiasis to manifest. Choice C (1 to 2 weeks) and choice D (2 to 3 months) represent durations that are not consistent with the usual onset of symptoms in giardiasis.

2. A 21-year-old female was recently diagnosed with iron deficiency anemia. In addition to fatigue and weakness, which of the following clinical signs and symptoms would she most likely exhibit?

Correct answer: B

Rationale: The correct answer is B: Spoon-shaped nails. In iron deficiency anemia, spoon-shaped nails (koilonychia) are a common symptom due to changes in the nail bed. This condition is known as Plummer-Vinson syndrome. While fatigue and weakness are common in iron deficiency anemia, hyperactivity (choice A) is not typically associated with this condition. Gait problems (choice C) and petechiae (choice D) are more commonly seen in other medical conditions and are not characteristic of iron deficiency anemia.

3. Why does multiple sclerosis manifest as asymmetrical and in different parts of the body?

Correct answer: C

Rationale: Multiple sclerosis is characterized by the immune system mistakenly attacking the myelin sheath in the central nervous system. This results in the formation of lesions that can occur in different parts of the central nervous system, leading to varied symptoms depending on the location of the damage. Choice A is the correct answer because it accurately describes the pathophysiology of multiple sclerosis. Choices B, C, and D are incorrect because they describe mechanisms or locations that are not associated with the pathogenesis of multiple sclerosis.

4. What important instruction should the nurse provide about taking medroxyprogesterone acetate (Provera) for a patient with endometriosis?

Correct answer: A

Rationale: The correct answer is to take the medication at the same time each day to maintain consistent hormone levels and effectiveness. This consistency is crucial for achieving therapeutic outcomes. Choice B is incorrect because medroxyprogesterone should be taken at the same time each day, regardless of food intake. Choice C is incorrect because side effects should be reported to the healthcare provider for further evaluation rather than discontinuing the medication abruptly. Choice D is incorrect as medroxyprogesterone is usually taken daily for the prescribed duration.

5. A patient is being educated on the administration of tinidazole (Tindamax). Which of the following indicates that the patient understands the administration of tinidazole?

Correct answer: B

Rationale: The correct answer is B. Tinidazole (Tindamax) is known to cause a bitter or metallic taste in the mouth. This side effect is common and indicates that the patient understands the medication they are taking. Choices A, C, and D are incorrect because they do not specifically relate to the common side effects or administration details of tinidazole.

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