Thyroid And Parathyroid Gland

Question 1

Thyroid gland is located where

Answer 1

In the midline of the ant part of the neck
Extends from C5 to T1

Question 2

Where does the thyroid gland crosses the midline of the upper part of the trachea

Answer 2

At the 2nd and 3rd tracheal rings

Question 3

Thyroid gland lies post to what muscles

Answer 3

Sternothyroid

Sternohyoid

Question 4

Thyroid gland surrounds what

Answer 4

Cricoid cartilage and tracheal rings

Question 5

Thyroid gland lies inf to

Answer 5

Thyroid cartilage

Question 6

Thyroid gland is attached to trachea by

Answer 6

Lat suspensory ligament or Berry’s ligament

Question 7

Thyroid gland is divided into two lobes and connected by what inferomedially

Answer 7

Isthmus

Question 8

Location of isthmus of thyroid gland

Answer 8

Above 2nd or 3rd tracheal cartilage

Question 9

The extra pyramidal lobe of the thyroid gland arises from what lobe

Answer 9

Left lobe

Question 10

Levator glandular thyroidae connects the pyramidal lobe to

Answer 10

Hyoid bone

Question 11

The levator glandular thyroidae is what

Answer 11

A connective tissue band

Question 12

Arterial supply of thyroid gland

Answer 12

Superior thyroid artery
Inferior thyroid artery

Question 13

The thyroid I’ma artery is present in

Answer 13

Small percentage of people

Question 14

Thyroid I’ma artery supplies

Answer 14

Isthmus
Ant thyroid gland

Question 15

Thyroid I’ma artery arises from

Answer 15

Bracgiocephalic trunk most of the time

Question 16

Thyroid I’ma artery can also arise from

Answer 16

Aortic arch
ECA
Subclavian
Thyrocervical trunk
ITA

Question 17

Venous drainage of thyroid gland

Answer 17

Sup, Mid, Inf thyroid vein

Question 18

Sup and mid thyroid vein drain into

Answer 18

IJV

Question 19

INF thyroid vein drains into

Answer 19

Subclavian or brachiocephalic vein

Question 20

Lymphatic drainage of thyroid gland

Answer 20

Prelaryngeal cervical

Pretracheal

Paratracheal

Question 21

Innervation of thyroid gland

Answer 21

Inf, mid and sup ganglia of sympathetic trunk

Left and right recurrent laryngeal nerves

Sup laryngeal nerve

Question 22

Sup laryngeal nerve is located where

Answer 22

At sup pole of thyroid gland

Question 23

Lt and rt recurrent laryngeal nerves are located

Answer 23

Lat part of thyroid gland close to inf thyroid artery

Question 24

Damage to recurrent laryngeal nerve can result to

Answer 24

Vocal cord paralysis

Question 25

Damage to cervical sympathetic trunk can result in

Answer 25

Horner syndrome

Question 26

Damage to sup laryngeal nerve can result in

Answer 26

Dysphonia

Question 27

Thyroidectomy

Answer 27

Surgical removal of all or part of thyroid gland

Question 28

Common site of ectopic thyroid gland

Answer 28

Base of tongue

Question 29

Goitre

Answer 29

Excessive enlargement of thyroid gland

Question 30

Location of parathyroid glands

Answer 30

Post aspect of thyroid glands

Question 31

How many parathyroid glands are there

Answer 31

4

Question 32

The 2 sup parathyroid glands are located where

Answer 32

Middle of post border of each thyroid lobe

Question 33

The two inf parathyroid glands are located where

Answer 33

Close to INF poles of thyroid glands

Question 34

Venous drainage of parathyroid gland

Answer 34

Inf, Mid, Sup thyroid veins

Question 35

Arterial supply of parathyroid gland

Answer 35

Inferior thyroid artery Collateral supply from Sup thyroid artery and thyroid ima artery

Question 36

Innervation of PTG

Answer 36

Thyroid branches of cervical ganglia

Question 37

Lymphatic drainage of PTG

Answer 37

Pretracheal Deep cervical