Parathyroid, Trachea and Mediastinum

Question 1

The vertebral border of the superior mediastinum

Answer 1

T1 to T4

Question 2

Name the 3 divisions of the inferior mediastinum

Answer 2

Anterior, Middle, Posterior

Question 3

Name the contents of the middle mediastinum

Answer 3

Pericardium, heart and roots of great vessels, phrenic nerves, bifurcation of trachea

Question 4

Cite the contents of the posterior mediastinum

Answer 4

descending throracic aorta, esophagus, thoracic duct, azygous, hemiazygous, vagus, splanchnic, sympathetic plexus

Question 5

What is the length of the trachea?

Answer 5

5 inches

Question 6

What is the arterial supply of the trachea?

Answer 6

Upper 2/3 - Inferior thyroid artery

Lower 1/3 - bronchial artery

Question 7

What is the innervation of the trachea?

Answer 7

Vagus and RLN

Question 8

In doing a cricothyroidectomy, the tube is inserted between ___

Answer 8

cricoid and thyroid cartilage

Question 9

In doing a tracheotomy, the opening is done ___

Answer 9

1. Between 1st and 2nd tracheal ring

2. 2nd through 4th tracheal ring

Question 10

[Parathyroid gland]

Which has a more constant position?

Answer 10

Superior parathyroid

Question 11

[Parathyroid gland]

What cell produces the parathyroid hormone?

Answer 11

Chief cell

Question 12

Oxyphil cell is located in ___

Answer 12

parathyroid gland

Question 13

___ cells produce calcitonin

Answer 13

parafollicular (C) cell

Question 14

__ cells produce T3/T4

Answer 14

Follicular cell

Question 15

__ chief cell in the stomach produce

Answer 15

pepsinogen

Question 16

____ oxyntic cell produce

Answer 16

HCl, intrinsic factor

Question 17

[Parathyroid gland]

The 3rd pharyngeal pouch gives rise to ____

Answer 17

inferior parathyroid

Question 18

[Parathyroid gland]

the 4th pharyngeal pouch gives rise to

Answer 18

superior parathyroid

Question 19

Ectopic parathyroids is frequently seen in the ____

Answer 19

superior mediastinum

Question 20

[Mediastinum: location)

the ascending aorta

Answer 20

middle mediastinum

Question 21

[Mediastinum: location)

descending aorta

Answer 21

posterior mediastinum

Question 22

[Mediastinum: location)

SVC/IVC

Answer 22

middle mediastinum

Question 23

[Mediastinum: location)

Azygous/Hemiazygous

Answer 23

posterior mediastinum

Question 24

[Mediastinum: location)

esophagus

Answer 24

posterior mediastunum

Question 25

[Mediastinum: location) main bronchi

Answer 25

middle

Question 26

[Mediastinum: location) recurrent laryngeal nerves

Answer 26

middle

Question 27

[Mediastinum: location) Two pincipal bronchi

Answer 27

middle

Question 28

The C cells of the thyroid gland is from what embryonic structure

Answer 28

4th pharyngeal pouch