Respiratory System

Question 1

Stroma and blood vessels of respiratory system are derived from:

Answer 1

Splanchnic mesoderm

Question 2

Esophagus and limb bud are derived from

Answer 2

Foregut

Question 3

Trachea and esophagus are divided by

Answer 3

Tracheoesophageal septum

Question 4

Number of diverticula formed on right side of limb bud

Answer 4

3

Question 5

Number of diverticula from left side of limb bud

Answer 5

2

Question 6

5 phases of maturation of the lungs

Answer 6

1. Embryonic
2. Glandular
3. Canalicular
4. Terminal sac
5. Alveolar

Question 7

Function of type 1 pneumocytes

Answer 7

Gas exchange

Question 8

Function of type 2 pneumocytes

Answer 8

Surfactant production

Question 9

Function of surfactant

Answer 9

Reduce surface tension at air-liquid interface of alveolar surface

Question 10

Diaphragm forms from the

Answer 10

Septum transversum

Question 11

2 treatments for RDS

Answer 11

1. Spray lungs with artificial surfactant

2. Give mom corticosteroids a few days before delivery

Question 12

Tracheoesophogeal fistula

Answer 12

Abnormal connection between the trachea and esophagus

Question 13

Respiratory distress syndrome

Answer 13

Lack adequate surfactant
Distress to take breath
Destroys integrity of the surface of the lining of the lung

Question 14

Lining of respiratory system is derived from:

Answer 14

Endoderm