CVS, Lymphatics Respiratory ~ Histology

Question 1

Corpuscles of hussall are seen in

Answer 1

Thymus

Question 2

Arterioles present in the spleen divides into a number of straight vessels tht are called

Answer 2

Penicilli

Question 3

Sustentacular cells present in the olfactory epithelium are

Answer 3

Supporting cells

Question 4

Lymphocytes in cortex arranged as

Answer 4

Follicles/ Lymphatic Nodules

Question 5

Lymphocytes in the medulla arranged as

Answer 5

Cords

Question 6

What is ellipsoid

Answer 6

Is the thickening over penicillar arteries, which is made up of concentric lamellae of fibroblast and macrophages

Question 7

Distal to ellipsoid, dilation of penicillar artery forms,

Answer 7

Ampulla

Question 8

Red pulp of spleen is made up of

Answer 8

Sinusoids and Splenic Cords of Bilroth

Question 9

Red pulp is drained by

Answer 9

Sinusoids

Question 10

Characteristic of Endothelial cells of sinusoids

Answer 10

These are banana shaped cells

Called Stave Cells

Question 11

Cords of Bilroth is made by

Answer 11

Reticular Collagen type ~ lll
Fibroblast
Macrophage

Question 12

More No. of Lymphocytes and Few Reticulocytes seen in which part of thymic lobule

Answer 12

Cortex (outer part) of thymus

Question 13

Concentrically arranged eosinophilic mass, of degenerated epithelium in thymic medulla

Answer 13

Hassal’s corpuscle

Question 14

Only lymphoid organ lined by epithelium (stratified Sqaumous)

Answer 14

Tonsil

Question 15

From the sub-capsular sinus of LN __________ Sinuses enters into the medulla and form plexus which in turn forms __________ Sinus.

Answer 15

Cortical Radial Sinuses

Medullary Sinus

Question 16

Histology of Trachea and Bronchus is sama

Yes/No

Answer 16

Yes

Question 17

Epithelium of Trachea and Broncheal Mucosa

Answer 17

Pseudostratified ciliated columnar epithelium

Question 18

Cells in the mucosa of trachea/bronchus

Answer 18

Goblet Cells
Clara cells ~ type ll pneumocytes
Basal cells ~ stem cells
Kulchitsky cells ~ neuroendocrine cell
Brush cells ~ function not known

Question 19

Surfactant secreted by

Answer 19

Type ll pneumocytes

Question 20

Cartilage type in trachea/bronchus

Answer 20

Hyaline cartilage ~ chondrocytes in group + shiny matrix

Question 21

Epithelium in bronchiole

Answer 21

Ciliated / Simple Columnar Epithelium

Question 22

Features of bronchiole

Goblet cells ~
Submucosal Glands ~
Cartilage ~

Answer 22

Goblet cells ~ Absent
Submucosal Glands ~ Absent
Cartilage ~ replaced by smooth muscles

Question 23

Epithelium of Terminal and Respiratory Bronchiole

Answer 23

Simple Cuboidal ~ towards alveoli becomes low cuboidal

Question 24

Alveoli Lined by

Answer 24

Type l Pneumocytes ~ 95%
Simple Sqaumous Cells

Type ll Pneumocytes ~ 5%
Large Cuboidal Cells ; secrets Surfactant

Question 25

Large Cuboidal Cells which secrets Surfactant is

Answer 25

Type ll Pneumocytes