Secretions

Definition

Secretions are substances produced and released by cells or glands in the body, often serving essential physiological functions. In the pulmonary system, secretions include mucus that traps particles and pathogens to protect respiratory health.

5 Must Know Facts For Your Next Test

1. Pulmonary secretions help trap and expel foreign particles from the respiratory tract.
2. Excessive or thickened pulmonary secretions can impair breathing and gas exchange.
3. Hydration and proper nutrition can influence the viscosity of pulmonary secretions.
4. Certain nutrients, such as antioxidants, can reduce inflammation that affects secretion production.
5. In conditions like COPD or cystic fibrosis, managing secretions is critical for maintaining airway patency.

Review Questions

• What role do pulmonary secretions play in respiratory health?
• How can nutrition impact the viscosity of pulmonary secretions?
• Why is managing secretions important in patients with chronic respiratory conditions?

Related terms

Mucus: A viscous fluid produced by mucous membranes that traps particles and pathogens.

Hydration: The process of providing adequate fluids to maintain optimal bodily functions.

Antioxidants: Compounds that inhibit oxidation and reduce inflammation in the body.