ATI RN
ATI Pathophysiology Test Bank
1. Which of the following factors are known to contribute to an individual's ability to adapt to stress? (Select ONE that does not apply.)
- A. Ethnicity
- B. Age
- C. Socioeconomic status
- D. Gender
Correct answer: A
Rationale: The correct factors that contribute to an individual's ability to adapt to stress are age, socioeconomic status, and gender. Age can influence coping mechanisms and resilience. Socioeconomic status can impact access to resources and support systems. Gender differences can also play a role in how individuals experience and manage stress. Ethnicity, while important in other contexts, is not directly mentioned in the provided rationale and is not one of the factors listed as contributing to an individual's ability to adapt to stress.
2. A patient with osteoporosis is prescribed raloxifene (Evista). What is the primary therapeutic action of this medication?
- A. It decreases bone resorption and increases bone density.
- B. It stimulates the formation of new bone.
- C. It increases calcium absorption in the intestines.
- D. It increases the excretion of calcium through the kidneys.
Correct answer: A
Rationale: The correct answer is A. Raloxifene works by decreasing bone resorption and increasing bone density. This helps in preventing further bone loss and reducing the risk of fractures in patients with osteoporosis. Choice B is incorrect because raloxifene does not stimulate the formation of new bone, but rather helps to maintain existing bone mass. Choice C is incorrect as raloxifene does not directly increase calcium absorption in the intestines. Choice D is also incorrect as raloxifene does not increase the excretion of calcium through the kidneys.
3. In a patient with chronic kidney disease and a hemoglobin level of 9 g/dL, which of the following treatments is most appropriate?
- A. Iron supplementation
- B. Erythropoiesis-stimulating agents
- C. Blood transfusion
- D. Vitamin B12 supplementation
Correct answer: B
Rationale: In chronic kidney disease, anemia commonly occurs due to decreased erythropoietin production. Erythropoiesis-stimulating agents, such as erythropoietin or darbepoetin, are the mainstay of treatment to stimulate red blood cell production. Iron supplementation is more appropriate for iron-deficiency anemia, not the anemia of chronic kidney disease. Blood transfusion is reserved for severe cases or acute blood loss. Vitamin B12 supplementation is indicated for megaloblastic anemia caused by vitamin B12 deficiency, not specifically in chronic kidney disease-related anemia.
4. Which condition is characterized by a lack of antidiuretic hormone (ADH)?
- A. Diabetes mellitus
- B. Diabetes insipidus
- C. Cushing's disease
- D. Hyperthyroidism
Correct answer: B
Rationale: The correct answer is B, Diabetes insipidus. Diabetes insipidus is characterized by a lack of antidiuretic hormone (ADH), leading to excessive urination and thirst. Choice A, Diabetes mellitus, is a different condition characterized by high blood sugar levels. Choice C, Cushing's disease, is caused by prolonged exposure to high levels of cortisol. Choice D, Hyperthyroidism, involves an overactive thyroid gland producing excess thyroid hormones.
5. 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.
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