Which one of the following is most true about the rule of fourths?

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jarvis physical examination and health assessment 9th edition test bank Questions

Question 1 of 5

Which one of the following is most true about the rule of fourths?

Correct Answer: A

Rationale: Step 1: The rule of fourths states that one-fourth of geriatric problems are iatrogenic, meaning they are caused by medical treatment. Step 2: This statement is true because iatrogenic problems in the elderly are common due to multiple medications, procedures, etc. Step 3: A careful assessment can indeed identify iatrogenic issues, making this statement accurate. Summary: A is correct because it aligns with the concept of iatrogenic problems in the elderly. B is incorrect because interventions can help prevent many problems of aging. C is incorrect as it does not specifically address iatrogenic problems. D is incorrect as it does not focus on the iatrogenic aspect of geriatric problems.

Question 2 of 5

Dr. Smith is obtaining informed consent from Mr. Jones to perform a colonoscopy. Which element of decision-making capacity is impaired in this case?

Correct Answer: B

Rationale: The correct answer is B: Appreciation. In this scenario, Mr. Jones may understand the information presented about the colonoscopy, but he may not fully appreciate the implications and consequences of undergoing the procedure. Appreciation involves the ability to understand the personal relevance of the information provided. This is crucial in ensuring that the individual can make a truly informed decision. A: Understanding is not impaired as Mr. Jones may comprehend the information presented. C: Ability to express a choice is not necessarily impaired in this case, as Mr. Jones may still be able to verbalize his decision. D: None of the above is incorrect because Appreciation is indeed impaired in this situation.

Question 3 of 5

A 78-year-old woman with cardiovascular disease declines creating an advance directive. Which characteristic is necessary for a healthcare agent?

Correct Answer: B

Rationale: The correct answer is B because knowing how the patient defines quality of life is crucial for making healthcare decisions aligned with the patient's values and preferences. This ensures the healthcare agent can advocate for the patient's wishes effectively. Geographic proximity (A) is not necessary as communication can be maintained remotely. Being a family member (C) may create biases, and medical training (D) is not essential for understanding the patient's values.

Question 4 of 5

All of the statements about Medicare are true except:

Correct Answer: B

Rationale: The correct answer is B because durable medical equipment under Medicare typically requires the patient to pay 20% of the Medicare-approved amount. A is incorrect because Medicare funding also comes from payroll taxes and individual premiums. C is incorrect as Part B covers outpatient services and physician fees only in outpatient settings. D is incorrect as patients are generally responsible for 20% of Part B bills, not no out-of-pocket cost for durable medical equipment.

Question 5 of 5

Subtypes of elder mistreatment include:

Correct Answer: E

Rationale: Based on the given choices, none of them individually cover all subtypes of elder mistreatment. The correct answer should include all the mentioned subtypes: psychological mistreatment, physical mistreatment, sexual mistreatment, and financial exploitation. Therefore, the correct answer is not any of the provided options, as they are all individual subtypes and not a comprehensive list of all subtypes of elder mistreatment.

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