Midterm Exam: NR569 NR 569

Midterm Exam: NR569 / NR 569

(Latest Update 2025 / 2026) Differential Diagnosis in Acute Care Practicum | Study Guide Questions and Answers | Grade A | 100% Correct – Chamberlain

Question:

What does the USPSTF stand for?

Answer:

United States Preventive Services Task Force

Question:

What does the USPSTF do?

Answer:

The U.S. Preventive Services Task Force (USPSTF) works to improve the health of all Americans by making and disseminating evidence-based recommendations about screening tests, counseling services, and preventive medications.

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Question:

USPSTF grade levels

Answer:

A, B, C, D & I

Question:

USPSTF grading system

Answer:

A: The USPSTF recommends this service. There is high certainty that the

service improves health outcomes - net benefit is substantial.

B: The USPSTF recommends this service. There is high certainty that the

service improves health outcomes - net benefit is fair or fair certainty that the net benefit is moderate - substantial.

C: The USPSTF recommends against routinely providing this service. There is

moderate or high certainty that health outcomes are not improved - net benefit is small. However there may be occasions that warrant provision of this service in a patient.

D: The USPSTF recommends against providing this service. There is moderate

or high certainty that the service does not have any net benefits or harms outweigh benefits.

I: There is insufficient evidence to recommend for or against the service. 2 / 4

Question:

Types of hypersensitivity reactions

Answer:

Type I: IgE mediated (e.g. Hay Fever "allergic rhinitis")

Type II: IgG/IgM Tissue-specific reactions (e.g. Hemolysis in drug allergies)

Type III: IgG/IgM Immune complex mediated (e.g. Gluten "wheat" allergy)

Type IV: No antibody involved. Cell mediated (e.g. poison ivy "contact

dermatitis" allergy).

Question:

Type 1 hypersensitivity reaction mediators, examples, onset

Answer:

-IgE mediated

-Ex: Asthma, allergic rhinitis, atopic dermatitis, anaphylactic shock, urticaria, angioedema

• occurs within 1 hours
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Question:

Type II hypersensitivity reaction

Answer:

-Cytotoxic and Cytolytic Reactions -IgM or IgG

-Ex: Hemolytic transfusion reactions, Goodpasture Syndrome

-hours to days

Question:

Type III hypersensitivity reaction

Answer:

-Immune-Complex Reaction -Local or systemic -Immediate or delayed

-Ex: Serum sickness, Systemic lupus erythematosus, acute

glomerulonephritis, and rheumatoid arthritis.

-1 to 3 weeks

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