Question

The ciliated columnar epithelium in our body may be found in:

• A. Ureter
• B. Respiratory tract
• C. Stomach
• D. Sweat gland

Answer 1

The correct option is B Respiratory tract

• The ciliated columnar epithelium is the layer of simple columnar epithelial cells, but they possess fine hair-like outgrowths i.e., cilia on their free surfaces.
• These cilia are capable of rapid, rhythmic, wave-like beatings in a certain direction.
• These assist in removing dust particles and foreign bodies, which have entered air passages.
• It is found in the fallopian tubes, respiratory tract, bronchi, and larger bronchioles.
• The epithelium lining the ureter is stratified, transitional epithelium.
  
• Sweat glands are lined by simple cuboidal epithelium while the simple columnar epithelium forms the mucosal lining of stomach.
  

Thus, the correct answer is option B.