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. A client with a history of chronic alcoholism presents to the emergency department with a complaint of double vision. Which cranial nerve is most likely involved?
- A. Cranial nerve I (Olfactory)
- B. Cranial nerve III (Oculomotor)
- C. Cranial nerve VI (Abducens)
- D. Cranial nerve VII (Facial)
Correct answer: C
Rationale: The correct answer is Cranial nerve VI (Abducens). Chronic alcoholism can lead to damage to the abducens nerve, which controls the lateral movement of the eye. This damage can result in symptoms like double vision. Cranial nerve I (Olfactory) is responsible for the sense of smell and is not related to eye movement. Cranial nerve III (Oculomotor) controls most of the eye movements but is less likely to be affected in chronic alcoholism than the abducens nerve. Cranial nerve VII (Facial) is responsible for facial movements and is not associated with double vision.
3. During the home visit of a client with dementia, the nurse notes that an adult daughter persistently corrects her father’s misperceptions of reality, even when the father becomes upset and anxious. Which intervention should the nurse teach the caregiver?
- A. Anxiety-reducing measures
- B. Positive reinforcement
- C. Reality orientation techniques
- D. Validation techniques
Correct answer: D
Rationale: The correct answer is D: Validation techniques. In dementia care, using validation techniques involves acknowledging the person's feelings and reality, even if it differs from actual events or facts. It helps in reducing the client's anxiety and distress. In this scenario, the daughter persistently correcting her father's misperceptions can escalate his anxiety. Teaching the daughter validation techniques will encourage her to validate her father's feelings and perceptions, ultimately promoting a more supportive and less confrontational environment. Choices A, B, and C are incorrect in this context. While anxiety-reducing measures can be beneficial, the primary issue here is the father's misperceptions being consistently corrected. Positive reinforcement focuses on rewarding desired behaviors, which is not directly related to the situation described. Reality orientation techniques involve constantly reminding the person of the correct time, place, and other details, which may not be suitable for someone with dementia experiencing distress.
4. When arterial blood pressure declines, the kidneys secrete a hormone to increase blood pressure and peripheral resistance. What is this hormone called?
- A. Renin
- B. Antidiuretic hormone
- C. Atrial natriuretic
- D. Insulin
Correct answer: A
Rationale: Renin is the correct answer. When arterial blood pressure decreases, the kidneys release renin, which triggers a series of reactions ultimately leading to an increase in blood pressure and peripheral resistance. Antidiuretic hormone (choice B) is involved in water retention, atrial natriuretic hormone (choice C) promotes sodium excretion and lowers blood pressure, and insulin (choice D) regulates glucose metabolism, not blood pressure.
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: 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.
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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