ATI RN
ATI Pathophysiology Quizlet
1. A woman of childbearing age is diagnosed with breast cancer. She is currently taking hormonal contraceptives. What information should the woman be given regarding the hormonal contraceptives?
- A. The hormonal contraceptives do not affect the course of the disease.
- B. The hormonal contraceptives will stimulate uterine bleeding.
- C. The hormonal contraceptives will impair uterine bleeding.
- D. The hormonal contraceptives will stimulate tumor growth.
Correct answer: A
Rationale: The correct answer is A. Hormonal contraceptives should be discontinued in women diagnosed with breast cancer because they can potentially stimulate cancer growth. Choice B is incorrect as hormonal contraceptives do not stimulate uterine bleeding. Choice C is also incorrect as hormonal contraceptives typically do not impair uterine bleeding. Choice D is incorrect because hormonal contraceptives are not meant to stimulate tumor growth.
2. Which of the following best describes Cushing’s syndrome?
- A. Hypersecretion of growth hormone
- B. Excessive production of cortisol by the adrenal glands
- C. Insufficient production of insulin
- D. Increased levels of ACTH
Correct answer: B
Rationale: Cushing’s syndrome is characterized by the excessive production of cortisol by the adrenal glands, not growth hormone (Choice A), insulin (Choice C), or ACTH (Choice D). The increased cortisol levels lead to a variety of symptoms associated with Cushing’s syndrome.
3. Which of the following types of vitamin or mineral deficiency can cause megaloblastic anemia and is associated with lower extremity paresthesias?
- A. Vitamin B12
- B. Folate
- C. Iron
- D. Vitamin K
Correct answer: A
Rationale: The correct answer is Vitamin B12. Vitamin B12 deficiency can lead to megaloblastic anemia and neurological symptoms, including lower extremity paresthesias. Folate deficiency can also cause megaloblastic anemia but typically does not present with neurological symptoms. Iron deficiency leads to microcytic anemia, not megaloblastic anemia. Vitamin K deficiency is associated with coagulation abnormalities, not megaloblastic anemia.
4. A 10-year-old male presents to his primary care provider reporting wheezing and difficulty breathing. History reveals that both of the child's parents suffer from allergies. Which of the following terms would be used to classify the child?
- A. Desensitized
- B. Atopic
- C. Hyperactive
- D. Autoimmune
Correct answer: B
Rationale: In this case, the correct term to classify the child is 'Atopic.' Atopic individuals have a genetic predisposition to developing allergic conditions, as seen in this patient with a family history of allergies. 'Desensitized' refers to reduced sensitivity to an allergen, which is not the case here. 'Hyperactive' relates to an exaggerated response, and 'Autoimmune' involves the immune system attacking its own cells, neither of which accurately describes the child's classification based on the provided history.
5. Which of the following characterizes ductal carcinoma in situ?
- A. It is less common than lobular carcinoma in situ.
- B. Malignant cells have not invaded the stroma.
- C. It is considered a cancer precursor.
- D. Malignant cells have not invaded the stroma; it is considered a cancer precursor and has a higher risk for invasive cancer compared to lobular carcinoma in situ.
Correct answer: D
Rationale: The correct answer is that ductal carcinoma in situ is characterized by malignant cells that have not invaded the stroma, making it a cancer precursor with a higher risk for invasive cancer compared to lobular carcinoma in situ. Choice A is incorrect because ductal carcinoma in situ is more common than lobular carcinoma in situ. Choice B is incorrect as it only partially describes ductal carcinoma in situ without mentioning its potential for progression to invasive cancer. Choice C is incorrect because it does not capture the complete characteristics of ductal carcinoma in situ, which include the risk for invasive cancer.
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