SECONDARY LYMPHOID ORGAN

Question 1

Upon the release of mature lymphocytes from primary lymphoid organs, they make their way to what organs?

Answer 1

Spleen
Lymph nodes
CALT
MALT

Question 2

The migration is complex, therefore they are regulated by?

Answer 2

Cell surface adhesion marker
Cytokines

Question 3

This organ is the 2nd larges lymphoid organ that is located on the upper left quadrant of the abdomen

Answer 3

Spleen

Question 4

What is the function of the spleen?

Answer 4

To filter any old and damaged cells and Ag.

Question 5

The spleen is divided into 2 sections. What are these?

Answer 5

Red pulp and White pulp

Question 6

1/2 of the organ; RBC lysis

Answer 6

Red pulp

Question 7

~20% of the organ; contains lymphoid tissue

Answer 7

White pulp

Question 8

In the spleen why there is no need for the dendritic cells to present Ag?

Answer 8

Because the spleen is highly vascularized

Question 9

How many mL of blood is supplied to the spleen every minute?

Answer 9

350mL

Question 10

This organ collects and filters lymph

Answer 10

Lymph nodes

Question 11

Sinuses are lined with _______?

Answer 11

Abundant macrophages

Question 12

Cortex contains a ______________ and ___________ and follicular dendritic cells?

Answer 12

Macrophage
Naive B cells

Question 13

Secondary follicles contain __________?

Answer 13

Active B cell

Question 14

Medulla contains some _____________, ______________ and ___________.

Answer 14

T and B cells
Macrophages
Plasma cells

Question 15

This is a condition where the fluid is accumulated

Answer 15

Lymphadenopathy

Question 16

This structure is distributed all throughout the body where mucosal linings are present

Answer 16

MALT

Question 17

What are the classifications of MALT?

Answer 17

GALT
BALT
CALT

Question 18

These are the lymphoid tissues that are found on GIT?

Answer 18

GALT

Question 19

These are lymphoid tissues that are found in the Lower RT?

Answer 19

BALT

Question 20

This is situated in the skin layers (epidermis) interacts with lymphocytes in the skin

Answer 20

Langerhans’ cells

Question 21

What are the other SLO?

Answer 21

Tonsils, Appendix and Blood

Question 22

This is considered before as vestigial organ

Answer 22

Appendix

Question 23

This is where lymphocytes lives

Answer 23

Blood

Question 24

Progenitors appear as early as?

Answer 24

8 weeks (Age of Gestation)

Question 25

The progenitor cells of lymphocytes will come from the liver as part of _______________________________?

Answer 25

Fetal hematopoietic development