Which of the Following Structures Has the Smallest Diameter

question 54

Multiple Choice

Which of the following structures has the smallest diameter?

• A)the pharynx
• B)the trachea
• C)the bronchi
• D)the bronchioles

---

Definitions:

Olecranon Bursa

A fluid-filled sac located at the tip of the elbow, providing a cushion between the skin and the olecranon process of the ulna bone.

Subcutaneous Nodules

Small, palpable lumps under the skin, often indicative of various conditions, including inflammatory diseases or tumors.

Olecranon Bursa

A sac filled with lubricating fluid located over the olecranon (point of the elbow) to reduce friction between bone and skin.

Rheumatoid Arthritis

A chronic inflammatory disorder affecting the joints, including those in the hands and feet, characterized by painful swelling and potential joint deformity.