Midterm Exam: NR571 / NR 571 Complete Review (Latest 2026 / 2027 Update) Complex Diagnosis and Management in Acute Care Practicum | Questions and Verified Answers | 100% Correct – Chamberlain

CHAMBERLAIN COLLEGE OF NURSING

NR 571 — MidTerm Exam
NR 571 Complex Diagnosis and Management in Acute Care Practicum

Academic Year:
Comprehensive Study Guide



Question 1

What is the CURB-65 score that requires hospital admission?

A. 0-1

B. 2

C. 3-5

D. > 5


CORRECT ANSWER: C. 3-5


RATIONALE:
A CURB-65 score of 3-5 requires hospital admission due to increased mortality risk.

, Question 2

What is the identification of RBBB on EKG?

A. QRS negatively deflected in V1

B. QRS positively deflected in V1

C. QRS negatively deflected in V6

D. QRS positively deflected in V6


CORRECT ANSWER: B. QRS positively deflected in V1


RATIONALE:
RBBB is identified by a positive QRS deflection in V1 (RSR' pattern) and wide QRS complex.




Question 3

What is the target oxygen saturation in COPD exacerbation?

A. 90-92%

B. 88-92%

C. 92-96%

D. 95-100%


CORRECT ANSWER: B. 88-92%


RATIONALE:
Target oxygen saturation in COPD exacerbation is 88-92% to avoid oxygen-induced
hypercapnia.

, Question 4

Which of the following is a risk factor for VTE?

A. Hypercoagulability

B. Impaired blood flow

C. Damage to blood vessels

D. All of the above


CORRECT ANSWER: D. All of the above


RATIONALE:
Risk factors for VTE include hypercoagulability, impaired blood flow, and damage to blood
vessels (Virchow's triad).




Question 5

What is the treatment for VTE in stable non-comorbid patients?

A. LMWH only

B. DOAC (e.g., dabigatran, rivaroxaban, apixaban)

C. Warfarin only

D. Heparin only


CORRECT ANSWER: B. DOAC (e.g., dabigatran, rivaroxaban, apixaban)


RATIONALE:
DOACs such as dabigatran, rivaroxaban, and apixaban are recommended for VTE treatment in
stable non-comorbid patients.

, Question 6

What is the pharmacologic treatment for PAD?

A. Low dose rivaroxaban and aspirin

B. High dose aspirin only

C. Cilostazol only

D. Warfarin only


CORRECT ANSWER: A. Low dose rivaroxaban and aspirin


RATIONALE:
PAD is treated with low dose rivaroxaban and aspirin, along with cilostazol (Pletal) for
symptom relief.




Question 7

What LRINEC score indicates high risk for necrotizing fasciitis?

A. > 4

B. > 6

C. > 8

D. > 10


CORRECT ANSWER: B. > 6


RATIONALE:
A LRINEC score > 6 indicates high risk for necrotizing fasciitis and requires surgical
consultation.