ATI RN
ATI Pathophysiology Exam 1
1. What common symptom should be assessed in individuals with immunodeficiency?
- A. Anemia
- B. Recurrent infections
- C. Hypersensitivity
- D. Autoantibody production
Correct answer: B
Rationale: Recurrent infections are a hallmark symptom of immunodeficiency. Individuals with impaired immune systems are more susceptible to recurrent infections due to their compromised ability to fight off pathogens. Anemia (Choice A) is not a direct symptom of immunodeficiency but can be a consequence of chronic diseases. Hypersensitivity (Choice C) refers to exaggerated immune responses rather than impaired immune function. Autoantibody production (Choice D) is not typically a primary symptom of immunodeficiency but may be seen in certain autoimmune conditions.
2. The parents of a 3-year-old boy have brought him to a pediatrician for assessment of the boy's late ambulation and frequent falls. Subsequent muscle biopsy has confirmed a diagnosis of Duchenne muscular dystrophy. Which teaching point should the physician include when explaining the child's diagnosis to his parents?
- A. Your child may develop breathing difficulties as the disease progresses.
- B. Your child is likely to benefit from physical therapy and exercise.
- C. This condition can be cured with early intervention and treatment.
- D. The disease is caused by inflammation in the muscles, which leads to weakness.
Correct answer: A
Rationale: The correct teaching point that the physician should include when explaining Duchenne muscular dystrophy to the parents is that 'Your child may develop breathing difficulties as the disease progresses.' Duchenne muscular dystrophy is a progressive condition that affects muscle strength, including respiratory muscles, leading to breathing difficulties as the disease advances. Choice B is incorrect because while physical therapy and exercise can help maintain muscle function and mobility, they do not cure the condition. Choice C is incorrect because Duchenne muscular dystrophy is a genetic disorder with no known cure. Choice D is incorrect as Duchenne muscular dystrophy is primarily characterized by a lack of dystrophin protein due to genetic mutations, not inflammation in the muscles.
3. Which of the following conditions is associated with a positive Homan's sign?
- A. Deep vein thrombosis
- B. Peripheral artery disease
- C. Varicose veins
- D. Lymphedema
Correct answer: A
Rationale: A positive Homan's sign is indicative of deep vein thrombosis. This sign is elicited by dorsiflexing the foot of a patient with the knee slightly flexed, resulting in calf pain. Peripheral artery disease (choice B) is associated with decreased blood flow to the extremities, but it does not produce a positive Homan's sign. Varicose veins (choice C) are enlarged, twisted veins that are typically not related to Homan's sign. Lymphedema (choice D) is swelling caused by a lymphatic system blockage or dysfunction and is not linked to Homan's sign.
4. A 25-year-old just had a colonoscopy and was diagnosed with Crohn disease. Which of the following symptoms is consistent with this diagnosis?
- A. Right lower quadrant cramping
- B. Severe bloody diarrhea
- C. Nausea and vomiting
- D. Mostly affects the rectum
Correct answer: A
Rationale: The correct answer is A: Right lower quadrant cramping. Crohn's disease commonly presents with abdominal pain, particularly in the right lower quadrant. Choice B, severe bloody diarrhea, is more characteristic of ulcerative colitis, another type of inflammatory bowel disease. Choice C, nausea and vomiting, are not typical symptoms of Crohn's disease. Choice D is incorrect as Crohn's disease can affect any part of the gastrointestinal tract, not just the rectum.
5. What should the nurse assess in a patient experiencing breakthrough bleeding while taking oral contraceptives?
- A. Adherence to the medication schedule
- B. The possibility of pregnancy
- C. The need for an increased dosage
- D. The effectiveness of the current oral contraceptive
Correct answer: A
Rationale: When a patient on oral contraceptives experiences breakthrough bleeding, the nurse should assess the patient's adherence to the medication schedule. Breakthrough bleeding is often a sign of non-adherence, potentially reducing the effectiveness of the contraceptives. Assessing the adherence to the schedule helps in determining if the medication is being taken correctly. The possibility of pregnancy (choice B) is less likely if the patient has been taking the contraceptives as prescribed. Increasing the dosage (choice C) without assessing adherence first can lead to unnecessary medication adjustments. Evaluating the effectiveness of the current oral contraceptive (choice D) comes after assessing adherence to the schedule.
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