You Are Evaluating a Patient with Rheumatoid Arthritis (RA) of the Hand

question 19

Multiple Choice

You are evaluating a patient with rheumatoid arthritis (RA) of the hand and wrist.You notice several deformities, including hyperextension of the proximal interphalangeal (PIP) joints and flexion of the distal interphalangeal (DIP) joints of digits 2, 3, and 4.This deformity is called:

• A)Swan-neck deformity.
• B)Heberden's deformity.
• C)Boutonnière deformity.
• D)Saddleback deformity.

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Definitions:

Economies of Scale

Cost advantages reaped by companies when production becomes efficient, typically resulting from increased production where the cost per unit of output drops as scale increases.

Public Goods

Goods that are non-excludable and non-rivalrous, meaning they are available to all and one person's use does not diminish another's.

Marginal Social Cost

The total cost to society of producing one additional unit of a good, including both the private costs and any external costs.

Efficient Level

An optimal point where resources are utilized in the most productive manner without waste, achieving the best outcome.