A Pulmonologist Wished to Obtain a Cell Sample from a Tumor

question 22

Multiple Choice

A pulmonologist wished to obtain a cell sample from a tumor that is present in a patient's lobar bronchus.The best method to obtain a sample for microscopic analysis is a (n)

• A)MRI
• B)CT
• C)AMAS
• D)BAL
• E)NCI

---

Definitions:

Basement Membrane

The basement membrane is a thin, dense layer of extracellular matrix that separates epithelial and endothelial cells from underlying connective tissue, providing support and anchorage.

Stomach

A muscular, hollow organ in the gastrointestinal tract that breaks down food using stomach acid and digestive enzymes, initiating the digestive process.

Simple Columnar Epithelium

A type of epithelium composed of a single layer of tall, closely packed cells, lining organs such as the digestive tract.

Stratified Squamous Epithelium

A type of tissue formed by multiple layers of flat cells, designed to protect underlying tissues in areas subject to abrasion.