RESPIRATORY SYSTEM

Question 1

composed of the nasal cavity, alae or wings, bridge, external or anterior nares, choanae or
posterior nares, nasal septum and nasolacrimal duct.

Answer 1

Nose

Question 2

The epithelial lining of the nasal cavity postnatally give rise to diverticula called

Answer 2

paranasal sinuses

Question 3

The epithelium in the floor of the nasal cavity give rise to a specialized olfactory sense
organ,

Answer 3

vomeronosal organ

Question 4

Outgrowths of each extrapulmonary bronchus form future lobar bronchi, each of which gives rise to more than dozen additional branches to form a

Answer 4

bronchial tree

Question 5

becomes the serous cavities of the trunk.

Answer 5

Embryonic Coelom-

Question 6

incorporated within the amnion (amniotic cavity) and chorion
(chorionic cavity) and allantois (allantoic cavity) that eventually form the cavity of the
chorionic vesicle.

Answer 6

Extraembryonic Coelom

Question 7

The embryonic coelom houses the visceral organs and is partitioned into 3 major body cavities:

Answer 7

➢ Anterior-ventral pericardial cavity- contains the heart.
➢ Caudal peritoneal cavity- contains digestive organs.
➢ Bilateral pleural cavities

Question 8

Malformations of the Lower Respiratory System Tract

Answer 8

Tracheoesophageal fistula
Barker foal syndrome