Question

Upper half of oesophagus contains

• A. Striped muscle layer
• B. Skeletal muscle layer
• C. Unstriated / Smooth muscle layer
• D. Both A and B

Answer 1

The correct option is D Both A and B

The oesophagus is the muscular tube which has two types of muscles. The upper part of the esophagus contains striated muscle has voluntary functions like eating, breathing etc., and the lower part contains smooth muscle, with the middle part containing a mixture of both. Striped muscle or striated muscle is also called as skeletal muscles due to voluntary function. Thus, the correct answer is option D.