Question

1. Extension of the soft palate which closes off the nasal cavity during swallowing: _____________________

a. epiglottis b. uvula c. pyloris d. cardiac sphincter e. appendix

2.The ___________ muscle layer is composed of smooth muscle and is an additional layer found only in the wall of the stomach.

a. longitudinal b. circular c. oblique d. muscularis mucosal e. enteric

Answer 1

1. Answer ; a) epiglottis

Reason ; There are some anatomical structure which are very significant for the process of respiration and digestion. Here in the given statement, that is during swallowing a cover like projection will open for the food to enter the stomach and simultaneously it will protect the air passage way from the entering of food into it. Among the given option, the above mentioned option is the most appropriate name for that anatomical structure. Other option are not relevant cause those terms are related with some other body parts.

2. Answer ; muscularis mucosal

Reason ; The additional layer found only on the wall of these organ and covers all the three layers of smooth muscles is the above mentioned type of muscle. It has significant function related to the digestion. The first three option refers the three muscle layer of the smooth muscles that is present behind these mentioned muscles. The last option is not a relavent one. Hence the above mentioned muscle layer is the approrpiate one for the given context.