The Major Pathologic or Structural Changes Associated with Cystic Fibrosis

question 15

Multiple Choice

The major pathologic or structural changes associated with cystic fibrosis include:
1) partial airway obstruction leading to hyperinflation.
2) bronchospasm.
3) thick, tenacious mucus.
4) total airway obstruction leading to atelectasis.

• A)1, 2
• B)3, 4
• C)1, 3, 4
• D)2, 3, 4

---

Definitions:

Product-variety Externality

An economic condition where the diversity of products benefits consumers more than what is accounted for by the producers, leading to positive external effects in a market.

Business-stealing Externality

A business-stealing externality occurs when the entry of new businesses reduces the demand for existing businesses, potentially lowering profits without necessarily benefiting consumers.

Positive Externality

An advantage received by individuals without their active choice, commonly linked to communal goods or services.

Lodging Markets

The segment of the hospitality industry that provides accommodations or places to stay to travelers.