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Human Trachea Anatomy

Created by

@FastGrowingGamelan

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Questions and Answers

What is the primary component of the tracheal cartilages?

Fibrocartilage

Columnar epithelial tissue

Hyaline cartilage (correct)

Elastic cartilage

How many C-shaped pieces of cartilage are typically found in the trachea?

16 to 20 (correct)

12 to 15

18 to 22

10 to 12

What is the main function of the dense connective tissue in the trachea?

To filter out dust and debris

To facilitate gas exchange

To regulate airflow

To provide structural support (correct)

Which of the following is NOT a characteristic of the trachea?

It is composed of smooth muscle tissue Signup and view all the answers

What type of epithelial cells line the trachea?

Ciliated columnar epithelial cells Signup and view all the answers

What type of epithelium lines the trachea?

Ciliated pseudostratified columnar Signup and view all the answers

Which of the following cells is responsible for producing surfactant?

Clara cells Signup and view all the answers

What is the function of goblet cells in the trachea?

To secrete mucus Signup and view all the answers

What is the function of the basement membrane in the trachea?

To provide structural support Signup and view all the answers

Which of the following cell types is NOT found in the tracheal epithelium?

Squamous cells Signup and view all the answers

What type of epithelium lines the bronchi?

Ciliated, pseudostratified columnar epithelium Signup and view all the answers

Which cells are interspersed with the epithelial cells in the bronchi?

Goblet cells Signup and view all the answers

What is the similarity between the trachea and bronchi?

Both are lined by ciliated, pseudostratified columnar epithelium Signup and view all the answers

What is the function of ciliated, pseudostratified columnar epithelium in the bronchi?

To move mucus and debris out of the lungs Signup and view all the answers

Which of the following is NOT a characteristic of the bronchi?

Located in the nasopharynx Signup and view all the answers

Study Notes

Tracheal Structure

The trachea is formed by 16 to 20 C-shaped pieces of hyaline cartilage connected by dense connective tissue.

Tracheal Lining

The trachea is lined by respiratory epithelium, which is ciliated pseudostratified columnar in structure.
The respiratory epithelium consists of various cell types, including: • Goblet cells • Brush cells • Endocrine cells • Surfactant-producing cells (Clara cells) • Serous cells • Basal cells
The epithelium rests on a basement membrane.

Bronchi Structure

Bronchi are histologically similar to the trachea.
They are lined by ciliated, pseudostratified columnar epithelium, also known as respiratory epithelium.
Goblet cells are interspersed throughout the epithelium.

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Description

This quiz covers the structure and composition of the trachea, including the number and type of cartilages and their connection with dense connective tissue.