Chapter 30, Problem 5STP

Summary Introduction

Introduction:

Pharyngeal pouches or the Zenker’s diverticulum is a cavity that is present in the pharynx. It runs from the nasal cavity to the esophagus.

Answer to Problem 5STP

Correct answer:

Option (C).

Explanation of Solution

Explanation/justification for the correct answer:

Option (C) structure that link the mouth cavity and the esophagus. The pharyngeal pouch is the cavity that link the nasal and the mouth cavity to the digestive system, that is esophagus. Hence, the correct answer is option (C).

Explanation for incorrect answer:

Option (A) cavity that hold food. The stomach is the cavity that holds the food. Hence, it is an incorrect answer.

Option (B) structure that hold coiled digestive system in place. Mesentery holds the shape and the structure of the coiled digestive system. Hence, it is an incorrect answer.

Option (D) structure that regulate metabolism, growth and development. There are many gland involved in the regulation of the growth and metabolism. The thyroid gland is one of the major glands involved in this. Hence, it is an incorrect answer.