Topic 44

Question 1

what can lead to accumulation of pigments in lymph nodes

Answer 1

drainage of lymph
resoptive function

Question 2

accumulation of pigments in lymph nodes leads to

Answer 2

sinus histiocytosis
anthracosis
fatty infiltration
ceroid, melanin accumulation
rbc infiltration
hemosiderosis

Question 3

causes of small lymph nodes

Answer 3

congenital disorders
lack of antigenic stimulation
viral infection
cachexia, malnutrition
ageing
radiation

Question 4

types of congential disorders causing small lymph nodes

Answer 4

primary immunodeficiency diseases
scid

Question 5

cause of lack of antigenis stimulation causing small lymph nodes

Answer 5

fewer primary follicles

Question 6

types of viral infections causing small lymph nodes

Answer 6

direct lymphocyte degeneration

Question 7

2 types of enlarged lymph nodes

Answer 7

emphysema
hyperplasia

Question 8

types of emphysema ln

Answer 8

peribronchial ln in bo
mesenterial ln in su

Question 9

2 types of hyperplasia in ln

Answer 9

lymphoid hyperplasia
reticulohistiocytic hyperplasia

Question 10

lymphoid hyperplasia

Answer 10

follicular lymphoid hyperplasia (b cell)
parafollicular hyperplasia (t cell)

Question 11

reticulohistiocytic hyperplasia

Answer 11

sinus histiocytosis (monocyte/macrophage)

Question 12

inflammation of ln

Answer 12

acute lymphadenitis
chronic lymphadenitis
suppurative lymphadenitis
hemorrhagic lymphadenitis
necrotic lymphadenitis
caseous lymphadenitis
lymphadenitis with necrotic inflammatory foci
special lymphadenitis
tuberculosis in ln

Question 13

acute lymphadenitis
lymphadenitis acuta simplex

Answer 13

draining an inflamed region
acute lymphadenomegaly, erythema, necrosis
oedema, sinus histiocytosis
hypermia
heals perfectly

Question 14

lymphadenitis chronica

Answer 14

can be hyperplastica or indurativa
periadenitis, fibrosis, stagnation of lymph as a conquence
long lasting

Question 15

suppurative lymphadenitis

Answer 15

purulent
phlegmone, microabscesses, acute and chronic inflammations

Question 16

dieases of suppurative lymphadenitis

Answer 16

strangles
morel’s
strep. suis

Question 17

hemorrhagic lymphadenitis

Answer 17

anthrax poisoning !

Question 18

necrotic lymphadenitis

Answer 18

fusobacterium necrophorum
other types sof lymphadenitis can become necrotic e.g hemorrhagic

Question 19

caseous lymphadenitis

Answer 19

lymphadenitis with necrobiotic necrosis
proliferative lymphadenitis in rhodoccus eq
cornyebacterium pseudotuberculosis in sheep

Question 20

pigment accumulation of ln

Answer 20

sinus erythrocytosis
lipofuscinceroid
anthracosis
melanin

Question 21

sinus erythrocytosis

Question 22

lipofuscin

Answer 22

metabolic product of cellmembrane

Question 23

anthracosis

Answer 23

more frequent in fogs
in industrial areas
charcoal in phagocytic macrophages - medulla

Question 24

melanin

Answer 24

physiological in animals with dark skin

Question 25

ceroid

Answer 25

acid fast and autofluorescent variant of lipofuscin