Respiratory Mucosa and Pleura: Interactive Learning Quizzes

Question 1

Which of the following cells produces mucin in the respiratory mucosa?

Accepted Answer

Goblet cells

Answer

Ciliated cells

Answer

Clara cells

Answer

Basal cells

Question 2

What is the primary function of ciliated cells in the respiratory mucosa?

Accepted Answer

Propel mucus and foreign particles out of the airways

Answer

Secrete immunoglobulins

Answer

Provide structural support

Answer

Synthesize surfactant

Question 3

Which layer of the respiratory mucosa is composed of tightly packed cuboidal cells?

Accepted Answer

Epithelial layer

Answer

Lamina propria

Answer

Muscularis mucosae

Answer

Submucosa

Question 4

Which of the following is a type of intraepithelial lymphocyte found in the respiratory mucosa?

Accepted Answer

T-cell

Answer

B-cell

Answer

Natural killer cell

Answer

Mast cell

Question 5

What is the primary function of the pleura?

Accepted Answer

Reduce friction between the lungs and chest wall

Answer

Produce surfactant

Answer

Filter inhaled air

Answer

Secrete antimicrobial peptides

Question 6

Which of the following layers of the pleura is directly adjacent to the lung parenchyma?

Accepted Answer

Visceral pleura

Answer

Parietal pleura

Answer

Mediastinal pleura

Answer

Diaphragmatic pleura

Question 7

What is the histological characteristic of the visceral pleura?

Accepted Answer

Contains mesothelial cells and a thin layer of connective tissue

Answer

Consists of stratified squamous epithelium

Answer

Richly vascularized with prominent lymphatic vessels

Answer

Contains alveoli and respiratory bronchioles

Question 8

Which of the following is a potential complication of a pneumothorax?

Accepted Answer

Respiratory distress

Answer

Cardiac tamponade

Answer

Meningitis

Answer

Hepatitis

Question 9

What is the role of the intercellular junctions between mesothelial cells of the pleura?

Accepted Answer

Maintain the integrity of the pleural lining

Answer

Facilitate the exchange of gases and fluids

Answer

Detect and respond to pathogens

Answer

Regulate the production of pleural fluid

Question 10

Which cell type in the respiratory mucosa is primarily responsible for mucus production?

Accepted Answer

Goblet cells

Answer

Squamous cells

Answer

Ciliated cells

Answer

Basal cells

Question 11

What is the primary function of the cilia in the respiratory mucosa?

Accepted Answer

To propel mucus upward, facilitating its clearance

Answer

To trap and entangle inhaled particles

Answer

To secrete antimicrobial substances

Answer

To regulate airway tone

Question 12

Which layer of the pleura is in direct contact with the lung surface?

Accepted Answer

Visceral pleura

Answer

Parietal pleura

Answer

Diaphragmatic pleura

Answer

Mediastinal pleura

Question 13

Which cells lining the pleural cavity are responsible for producing lubricating fluid?

Accepted Answer

Mesothelial cells

Answer

Fibroblasts

Answer

Macrophages

Answer

Lymphocytes

Question 14

Which histological technique is commonly used to visualize the cellular components and structures of the respiratory mucosa?

Accepted Answer

Hematoxylin and eosin (H&E) staining

Answer

Periodic acid-Schiff (PAS) staining

Answer

Immunohistochemistry

Answer

Electron microscopy

Question 15

Which type of phagocytic cell is primarily responsible for clearing inhaled particles and pathogens from the respiratory mucosa?

Accepted Answer

Alveolar macrophages

Answer

Neutrophils

Answer

Eosinophils

Answer

Mast cells

Question 16

Which type of cell in the respiratory mucosa is specialized for the production of mucus?

Accepted Answer

Goblet cell

Answer

Ciliated cell

Answer

Basal cell

Answer

Cuboidal cell

Question 17

What is the main function of the pleural space?

Accepted Answer

To reduce friction during lung expansion and contraction

Answer

To produce and store mucus

Answer

To house the immune cells of the respiratory system

Answer

To exchange gases between the blood and the lungs

Question 18

Which layer of the respiratory mucosa contains ciliated cells?

Accepted Answer

Ciliated layer

Answer

Supporting layer

Answer

Non-ciliated bronchiolar epithelium

Answer

Basal layer

Question 19

What is the primary role of cilia in the respiratory mucosa?

Accepted Answer

To propel mucus and foreign particles away from the lungs

Answer

To regulate the pH of the respiratory tract

Answer

To absorb oxygen from the air

Answer

To secrete antibacterial substances

Question 20

Which of the following is a characteristic of the visceral pleura?

Accepted Answer

Lies directly against the surface of the lungs

Answer

Lines the thoracic cavity

Answer

Contains the phrenic nerve

Answer

Produces pleural fluid

Question 21

What type of epithelium forms the lining of the alveoli?

Accepted Answer

Simple squamous epithelium

Answer

Pseudostratified columnar epithelium

Answer

Cuboidal epithelium

Answer

Transitional epithelium

Question 22

What is the name of the space between the parietal and visceral pleura?

Accepted Answer

Pleural cavity

Answer

Mediastinal cavity

Answer

Pericardial cavity

Answer

Alveolar cavity

Question 23

Which layer of the respiratory mucosa is responsible for providing support and rigidity?

Accepted Answer

Supporting layer

Answer

Basal layer

Answer

Mucous layer

Answer

Ciliated layer

Question 24

What type of connective tissue is found in the pleura?

Accepted Answer

Serosa

Answer

Adipose

Answer

Fibrocartilage

Answer

Dense regular