The Cellular Abnormality That Causes Cystic Fibrosis Is

question 78

Multiple Choice

The cellular abnormality that causes cystic fibrosis is

• A)absence of the ability to feel pain.
• B)abnormal chloride channels that trap salt inside cells lining the lung passageways.
• C)abnormal potassium channels in heart muscle.
• D)extra receptors for a growth factor.

---

Definitions:

Nonspecific Immunity

The component of the immune system that provides general defense against pathogens without needing prior exposure to them, also known as innate immunity.

Immune System Function

The role performed by the body's immune system in defending against pathogens, infections, and other foreign substances, by detecting and responding to them.

Diathesis-Stress Model

A psychological theory that explains behavior as a predispositional vulnerability together with stress from life experiences.

Traumatic Life Events

Significant, distressing experiences that can have long-lasting effects on an individual's mental and physical health.