ATI RN
ATI Pathophysiology
1. A healthcare professional is documenting the recent vital signs for several clients on an acute medical ward of a hospital. Which hospital client with a noninfectious diagnosis would be most likely to have a fever?
- A. A 71-year-old female with limited mobility, chronic obstructive pulmonary disease (COPD), and vascular dementia
- B. A 33-year-old female with a postoperative deep vein thrombosis and pulmonary embolism
- C. A 51-year-old obese male with hepatic encephalopathy secondary to alcohol abuse
- D. A 71-year-old male with congestive heart failure and peripheral edema
Correct answer: B
Rationale: The correct answer is B. Pulmonary emboli can produce fever even without infection. This is known as a noninfectious cause of fever. Choices A, C, and D do not typically present with fever as a prominent symptom. Limited mobility, COPD, vascular dementia, hepatic encephalopathy, alcohol abuse, congestive heart failure, and peripheral edema are not directly associated with causing fever in the absence of infection, unlike pulmonary embolism.
2. Which of the following is a characteristic of disseminated intravascular coagulation (DIC)?
- A. Simultaneous stroke and heart attack
- B. Simultaneous clotting and bleeding
- C. Simultaneous clotting and insulin release
- D. Simultaneous bleeding and vomiting
Correct answer: B
Rationale: Disseminated intravascular coagulation (DIC) is characterized by simultaneous clotting and bleeding throughout the body. This imbalance in the body's clotting system leads to the formation of blood clots in small blood vessels, which can consume clotting factors and platelets, ultimately leading to excessive bleeding. Choices A, C, and D are incorrect because they do not describe the characteristic feature of DIC, which involves both clotting and bleeding.
3. A patient is administered isoniazid (INH) for tuberculosis. Which of the following adverse effects will result in discontinuation of the medication?
- A. Weight gain
- B. Jaundice
- C. Fever
- D. Arthralgia
Correct answer: B
Rationale: The correct answer is B: Jaundice. Isoniazid (INH) is known to cause hepatotoxicity, which can manifest as jaundice. Jaundice is a serious adverse effect that warrants immediate discontinuation of the medication to prevent further liver damage. Weight gain, fever, and arthralgia are not typically associated with isoniazid use and would not necessitate discontinuation of the medication.
4. Which of the following describes the pathophysiology of exercise-induced asthma?
- A. Bronchospasm after exercise
- B. IgE-mediated inflammatory response to antigen
- C. Bronchoconstriction after ingesting high-allergen foods
- D. Increased mucus production due to a genetic mutation
Correct answer: A
Rationale: The correct answer is A: 'Bronchospasm after exercise.' Exercise-induced asthma involves the narrowing of the airways (bronchospasm) triggered by physical activity. This bronchospasm leads to symptoms such as coughing, wheezing, and shortness of breath. Choices B, C, and D are incorrect because exercise-induced asthma is not primarily caused by an IgE-mediated inflammatory response to an antigen, bronchoconstriction after ingesting high-allergen foods, or increased mucus production due to a genetic mutation.
5. A nurse practitioner is assessing a 7-year-old boy who has been brought to the clinic by his mother, who is concerned about her son's increasingly frequent, severe headaches. Which of the nurse's questions is least likely to yield data that will confirm or rule out migraines as the cause of his problem?
- A. Does your son experience nausea or vomiting when he has a headache?
- B. Does your son have a history of recent head injury?
- C. Does your son become sensitive to light when he has a headache?
- D. Does anyone in your family have a history of migraines?
Correct answer: B
Rationale: Asking about a history of recent head injury is less likely to yield data relevant to confirming or ruling out migraines. Migraines are often associated with symptoms like nausea, vomiting, sensitivity to light, and a family history of migraines. While head injuries can cause headaches, the focus of the assessment in this case should be on symptoms more specific to migraines to guide the diagnosis and management.
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