30 Questions
Which layer of the respiratory membrane is responsible for gas exchange?
Mucosa
What is the function of surfactant in the alveoli?
To reduce surface tension
Which of the following is an intraperitoneal organ?
Pancreas
What is the function of the mesentery?
To allow free movement of the intestine
Which layer of the GI wall contains smooth muscle?
Muscularis
What is the primary function of the alveoli in the respiratory tract?
To facilitate gas exchange
Which layer of the respiratory membrane is responsible for distribution of air to the lungs?
Mucosa
Which of the following is NOT one of the four sinuses?
Temporal
What is the function of the nasal hairs?
To filter particulate matter
Where are the pharyngeal tonsils located?
Nasopharynx
What is the main cartilaginous structure of the larynx?
Thyroid cartilage
What are the two muscle groups that form the larynx?
Intrinsic and extrinsic muscles
What is the function of the trachea?
To direct air into and out of the lungs
What is the main site of gas exchange in the lung?
Alveolar sacs
Which part of the nose is composed mainly of bone and cartilage covered by skin with many sebaceous glands?
The external part
What separates the nasal cavity from the cranial cavity?
The cribriform plate of the ethmoid bone
What is the function of the hairs in the vestibule portion of the nasal cavity?
To catch debris
What is the role of the cilia in the nasal cavity?
To moisten the passageways
What is the function of the conchae in the nasal cavity?
To divide the nasal cavity into three passageways
Where does air enter the respiratory portion of each nasal passage?
Posterior nares (internal)
How many pairs of paranasal sinuses are there?
Four pairs
Which organ is responsible for the absorption of most nutrients in the digestive system?
Small Intestine
Which of the following substances is absorbed through diffusion in the small intestine?
Mineral ions
How is sodium absorbed into the blood capillaries in the small intestine?
Through active transport pump
Which of the following substances is transported out of the GI lumen together with sodium?
Glucose
How are amino acids absorbed into the intestinal blood capillaries?
Through secondary active transport
Which part of the digestive system is responsible for the absorption of mineral ions?
Small Intestine
Which of the following is NOT an accessory organ in the digestive system?
Rectum
Where does the stage of absorption primarily occur in the digestive system?
Small Intestine
Which of the following organs is responsible for storing and concentrating bile?
Gallbladder
Test your knowledge of the respiratory system with this quiz on the structure of the alveoli and their role in gas exchange. Explore the transition from bronchi to bronchioles and understand the intricate network of capillaries surrounding the alveoli.
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