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UNIT 6 HEMATOLOGY > P6 ANATOMY > Flashcards

P6 ANATOMY Flashcards

1
Q

types of lymphoid tissue

A

1- diffuse
2- dense

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2
Q

Examples of dense lymphoid tissue

A

thymus
spleen
Lymph nodes
Tonsils

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3
Q

diffuse type is seen in

A

mucosa of large intestine
Trachea
bronchi
urinary tract

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4
Q

Small lymph nodes found anywhere is known as

A

MALT

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5
Q

Fluid similar to blood without proteins . RBCs or plasma

A

Lymph

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6
Q

type of tonsils found in the lateral wall of oropharynx

A

palatine tonsils

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7
Q

waldeyers ring consists of

A
  • adenoids
    -palatine tonsils
  • lingual
  • tubal
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8
Q

location of adenoids

A

Superiorly in nasopharynx

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9
Q

Location of lingual tonsils

A

Inferiorly in hypo-pharynx

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10
Q

tonsils that are adjacent to eustachian tube

A

tubal tonsils

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11
Q

waldeyer’s ring tonsils function

A

production of immunoglobulins
development of both B & T cell lymphocytes

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12
Q

from what pouch does palatine tonsils develop from

A

2nd pharyngeal

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13
Q

Remnant of pharyngeal pouch in adults

A

tonsillar fossa

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14
Q

Anterior fold containing palatoglossus

A

palatoglossal arch

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15
Q

post. fold , contains palatopharyngeus

A

palatopharyngeal arch

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16
Q

sinus that contains palatine tonsils

A

tonsillar sinus

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17
Q

dorsal lingual artery is a branch of

A

lingual artery

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18
Q

lesser palatine Art. is branch of

A

Descending palatine

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19
Q

Tonsillar art. branch of

A

facial art.

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20
Q

Ascending palatine Art.

A

Facial Art.

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21
Q

Ascending pharyngeal Art. is a branch of

A

external carotid Art.

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22
Q

venous drainage of palatine tonsils

A

peri-tonsillar plexus

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23
Q

peri-tonsillar plexus drains into

A

lingual & pharyngeal veins

24
Q

both lingual & pharyngeal drain into

A

internal jugular vein

25
Q

injury to which nerve causes paralysis of Post. third of the tongue

A

glossopharyngeal nerve

26
Q

innervation of palatine tonsils

A

trigeminal glossopharyngeal

27
Q

material that
accumulates on the tonsil, white/ creamy in color

A

Tonsillolith

28
Q

main substance in Tonsillolith

A

Calcium

29
Q

Tonsillolith can cause unpleasant odor which is due to presence of

A

hydrogen
sulfide and methyl
mercaptan

30
Q

Epithelium covering palatine tonsils

A

Stratified squamous non-keratinised

31
Q

the arrow represents

A

lymphoid nodules

32
Q

the arrow represents

A

tonsillar crypts

33
Q

location of thymus

A

anterior and superior
Mediastinum behind sternum

34
Q

from which pouch does the thymus develop from

A

endoderm of 3rd pharyngeal
pouch

35
Q

Microscopy of the thymus , first upper arrow is representing

A

cortex

36
Q

Microscopy of the thymus , 2nd middle arrow is representing

A

medulla

37
Q

Microscopy of the thymus , 3rd lower arrow is representing

A

Hassal’s corpuscles

38
Q

Majority of cells in cortex are

A

thymocytes

39
Q

Structure that protects thymocytes from exposure to circulating
antigens.

A

blood- thymus barrier

40
Q

Hassall’s
corpuscles are formed from

A

flattened reticular epithelial cells

41
Q

from which type of epithelioreticular cells Hassall’s corpuscles are derived from

A

type 6 / VI

42
Q

which interleukins are produced by Hassall’s corpuscles

A

IL-4
IL-7

43
Q

blood supply to thymus

A

Inferior thyroid
internal thoracic

44
Q

part of thymus with no blood - thymus-barrier

A

medulla

45
Q

A represents which group of LNs

A

neck group of lymph nodes

46
Q

B represents which group of LNs

A

axial group

47
Q

C represents which group of LNs

A

Inguinal

48
Q

Representing what type of lymphoid nodules

A

Primary

49
Q

Representing what type of lymphoid nodules

A

2ndry

50
Q

Characteristics of 2ndry lymphoid nodules is the presence of

A

Germinal center

51
Q

B lymphocytes proliferate &
differentiate in

A

germinal center

52
Q

T Lymphocytes are present in what part of the lymph node

A

paracortex

53
Q

Identify the structure pointed by the arrow

A

peyer’s patches

54
Q

both legs , left upper quadrant of the body is drained by which lymphatic duct

A

thoracic duct

55
Q

thoracic duct drains into

A

left subclavian & left internal jugular vein
( left brachiocephalic )

56
Q

right upper quadrant pf the body drained by which lymphatic duct

A

right lymphatic duct

57
Q

right lymphatic duct drains into

A

right subclavian vein &right jugular vein.
( right brachiocephalic)

UNIT 6 HEMATOLOGY (33 decks)

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