ATI RN
ATI Pathophysiology Quizlet
1. An older adult man has moved to a long-term care facility, and the nurse is performing medication reconciliation. The resident's current medication regimen includes alfuzosin (Uroxatral). After considering the most likely indication for this drug, what potential problem should the nurse include in the resident's interdisciplinary plan of care?
- A. Impaired urinary elimination
- B. Ineffective sexual pattern
- C. Sexual dysfunction
- D. Functional urinary incontinence
Correct answer: C
Rationale: The correct answer is C, 'Sexual dysfunction.' Alfuzosin is commonly prescribed for benign prostatic hyperplasia (BPH), a condition that can lead to sexual dysfunction in older men. It is important to include this potential problem in the interdisciplinary plan of care to address the impact of the medication on the resident's sexual health. Choices A, B, and D are incorrect because while alfuzosin can affect urinary function, the primary concern related to this medication in this scenario is sexual dysfunction due to its indication for BPH.
2. A client with multiple sclerosis (MS) is experiencing a relapse. Which of the following factors is most likely contributing to the relapse?
- A. Taking an over-the-counter multivitamin
- B. Experiencing high levels of emotional stress
- C. Getting a flu shot
- D. Engaging in strenuous physical activity
Correct answer: B
Rationale: Emotional stress can trigger a relapse in multiple sclerosis by exacerbating symptoms. While taking an over-the-counter multivitamin and getting a flu shot are generally safe, they are not typically known to trigger MS relapses. Engaging in strenuous physical activity, if done carefully, can actually have benefits for individuals with MS by improving strength and mobility, so it is less likely to be the cause of a relapse.
3. An infant is being administered an immunization. Which of the following provides an accurate description of an immunization?
- A. It should be administered to a pregnant woman prior to the infant's birth.
- B. It is the administration of an antigen to stimulate an antibody response.
- C. It produces many adverse reactions, particularly autism, in the infant.
- D. It protects the infant from exposure to infectious antibodies.
Correct answer: B
Rationale: The correct answer is B. Immunization involves administering an antigen, such as a weakened or killed microorganism, to stimulate the immune system to produce an antibody response. This process helps the body recognize and remember specific pathogens, providing immunity against future infections. Choice A is incorrect because immunizations are administered to the infant directly, not to the pregnant woman before birth. Choice C is incorrect as there is no scientific evidence linking immunizations to autism. Choice D is incorrect as immunizations protect against infectious agents, not antibodies.
4. A patient has developed a decubitus ulcer on the coccyx. What defense mechanism is most affected by this homeostatic change?
- A. The mucous membrane is affected.
- B. The respiratory tract is affected.
- C. The skin is affected.
- D. The gastrointestinal tract is affected.
Correct answer: C
Rationale: In this scenario, a decubitus ulcer on the coccyx indicates a breakdown of the skin's integrity due to prolonged pressure. The skin is the primary defense mechanism of the body against external pathogens. When the skin is compromised, it can lead to infections and other complications. The mucous membrane (Choice A) plays a role in protecting internal surfaces, not the skin. The respiratory tract (Choice B) is involved in breathing and not directly related to the skin's defense. The gastrointestinal tract (Choice D) is responsible for digestion and absorption of nutrients, not the primary defense mechanism against external threats like the skin.
5. An imbalance of which of the following hormones could lead to increased calcium levels in the blood?
- A. Parathyroid hormone
- B. Antidiuretic hormone
- C. Calcitonin
- D. Melatonin
Correct answer: A
Rationale: The correct answer is Parathyroid hormone (Choice A). Parathyroid hormone plays a key role in regulating calcium levels in the blood. When there is an imbalance in parathyroid hormone secretion, it can lead to increased calcium levels in the blood. Antidiuretic hormone (Choice B) is involved in regulating water balance, not calcium levels. Calcitonin (Choice C) helps lower blood calcium levels and is unlikely to cause an increase. Melatonin (Choice D) regulates sleep-wake cycles and does not have a direct effect on calcium levels in the blood.
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