NR511 Week 1 Quiz Questions and
Answers Latest Update 2026 |
Chamberlain University Differential
Diagnosis & Primary Care Practicum
SECTION 1: ACCOUNTABLE CARE ORGANIZATIONS & HEALTHCARE
DELIVERY (Questions 1–15)
Question 1
What is an Accountable Care Organization (ACO)?
A) A government agency that regulates Medicare payments
B) A group of providers and suppliers who come together voluntarily to give
coordinated, high-quality care to Medicare patients
C) A private insurance company that offers Medicare Advantage plans
D) A hospital accreditation body
Correct Answer: B
Rationale: An ACO is a group of providers and suppliers who voluntarily coordinate
care for Medicare patients to improve quality and reduce costs. ACOs are
accountable for the quality and cost of care delivered to their assigned patient
population.
,Question 2
What is the primary goal of an Accountable Care Organization (ACO)?
A) To increase hospital admissions
B) To coordinate care and improve quality while reducing costs
C) To eliminate competition among providers
D) To replace Medicare entirely
Correct Answer: B
Rationale: The primary goal of an ACO is to coordinate care for patients, improve
quality outcomes, and reduce healthcare costs through shared savings and value-
based care models.
Question 3
Which of the following best describes the shared savings model used by ACOs?
A) Providers are paid a fixed salary regardless of performance
B) Providers share in the savings achieved when they deliver care more efficiently
while meeting quality benchmarks
C) Providers are penalized for all costs above a threshold
D) Providers receive bonuses based on patient satisfaction only
Correct Answer: B
Rationale: In the shared savings model, ACOs that meet quality benchmarks and
reduce costs below a target share in the savings achieved, incentivizing efficient,
high-quality care.
,Question 4
An ACO is accountable for:
A) Only the quality of care provided
B) Only the cost of care provided
C) Both the quality and cost of care for an assigned patient population
D) Neither quality nor cost
Correct Answer: C
Rationale: ACOs are accountable for both the quality and cost of care delivered to
their assigned patient population, making them a key component of value-based
care.
Question 5
Which patient population is primarily served by ACOs?
A) Medicaid patients only
B) Medicare patients
C) Uninsured patients
D) Veterans only
Correct Answer: B
Rationale: ACOs were initially designed for Medicare patients, though commercial
ACO models also exist. The Medicare Shared Savings Program is the most
common ACO model.
, SECTION 2: SCREENING TESTS & STATISTICAL MEASURES (Questions 6–20)
Question 6
A screening test correctly identified 80 individuals who did not have colon cancer
out of 100 individuals that were known to be free of the disease (true negatives).
The test failed to recognize 20 individuals who did not have colon cancer. What is
the specificity of the screening test?
A) 20%
B) 80%
C) 100%
D) 50%
Correct Answer: B
Rationale: Specificity is the proportion of true negatives correctly identified by a
test. With 80 true negatives out of 100 disease-free individuals, the specificity is
80%.
Question 7
Sensitivity of a screening test refers to:
A) The ability to correctly identify those with the disease (true positives)
B) The ability to correctly identify those without the disease (true negatives)
C) The overall accuracy of the test
D) The predictive value of a positive test
Correct Answer: A
Answers Latest Update 2026 |
Chamberlain University Differential
Diagnosis & Primary Care Practicum
SECTION 1: ACCOUNTABLE CARE ORGANIZATIONS & HEALTHCARE
DELIVERY (Questions 1–15)
Question 1
What is an Accountable Care Organization (ACO)?
A) A government agency that regulates Medicare payments
B) A group of providers and suppliers who come together voluntarily to give
coordinated, high-quality care to Medicare patients
C) A private insurance company that offers Medicare Advantage plans
D) A hospital accreditation body
Correct Answer: B
Rationale: An ACO is a group of providers and suppliers who voluntarily coordinate
care for Medicare patients to improve quality and reduce costs. ACOs are
accountable for the quality and cost of care delivered to their assigned patient
population.
,Question 2
What is the primary goal of an Accountable Care Organization (ACO)?
A) To increase hospital admissions
B) To coordinate care and improve quality while reducing costs
C) To eliminate competition among providers
D) To replace Medicare entirely
Correct Answer: B
Rationale: The primary goal of an ACO is to coordinate care for patients, improve
quality outcomes, and reduce healthcare costs through shared savings and value-
based care models.
Question 3
Which of the following best describes the shared savings model used by ACOs?
A) Providers are paid a fixed salary regardless of performance
B) Providers share in the savings achieved when they deliver care more efficiently
while meeting quality benchmarks
C) Providers are penalized for all costs above a threshold
D) Providers receive bonuses based on patient satisfaction only
Correct Answer: B
Rationale: In the shared savings model, ACOs that meet quality benchmarks and
reduce costs below a target share in the savings achieved, incentivizing efficient,
high-quality care.
,Question 4
An ACO is accountable for:
A) Only the quality of care provided
B) Only the cost of care provided
C) Both the quality and cost of care for an assigned patient population
D) Neither quality nor cost
Correct Answer: C
Rationale: ACOs are accountable for both the quality and cost of care delivered to
their assigned patient population, making them a key component of value-based
care.
Question 5
Which patient population is primarily served by ACOs?
A) Medicaid patients only
B) Medicare patients
C) Uninsured patients
D) Veterans only
Correct Answer: B
Rationale: ACOs were initially designed for Medicare patients, though commercial
ACO models also exist. The Medicare Shared Savings Program is the most
common ACO model.
, SECTION 2: SCREENING TESTS & STATISTICAL MEASURES (Questions 6–20)
Question 6
A screening test correctly identified 80 individuals who did not have colon cancer
out of 100 individuals that were known to be free of the disease (true negatives).
The test failed to recognize 20 individuals who did not have colon cancer. What is
the specificity of the screening test?
A) 20%
B) 80%
C) 100%
D) 50%
Correct Answer: B
Rationale: Specificity is the proportion of true negatives correctly identified by a
test. With 80 true negatives out of 100 disease-free individuals, the specificity is
80%.
Question 7
Sensitivity of a screening test refers to:
A) The ability to correctly identify those with the disease (true positives)
B) The ability to correctly identify those without the disease (true negatives)
C) The overall accuracy of the test
D) The predictive value of a positive test
Correct Answer: A
