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I&I Past Exams > extra anatomy Q's > Flashcards

extra anatomy Q's Flashcards

1
Q

What drains the lower right quadrant of the body?

a. left lymphatic duct
b. right venous angle
c. left venous angle

A

c. left venous angle

via the thoracic duct

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2
Q

Where do the afferent lymph vessels attach to the lymph node?

a. hilum
b. surface of node

A

b. surface of node

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3
Q

Germinal centers are NOT found in (the)

a. infants
b. adolescence
c. adults
d. elderly

A

a. infants

lymphatic nodules without germinal centers or an outer corona are primary nodules

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4
Q

Which of the following is FALSE about the paracortex (deep cortex)?

a. it has no lymphatic nodules
b. it has most of the T cells
c. it is thymus independent

A

c. it is thymus independent

it’s actually thymus dependent!

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5
Q

How do most lymphocytes enter a lymph node?

a. high endothelial venules
b. subcapsular sinus

A

a. high endothelial venules

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6
Q

What type of collagen are reticular fibers composed of?

a. collagen type 1
b. collagen type 2
c. collagen type 3

A

c. collagen type 3

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7
Q

Which of the following has the most T cells?

a. deep cortex
b. superficial cortex
c. germinal centers

A

a. deep cortex

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8
Q

What separates the capsule and the superficial cortex?

A

the meshwork of the subcapsular sinus

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9
Q

Which of the following aids in separating the reticular fibers from the lymphocytes to stop an autoimmune reaction?

a. dendritic cells
b. macrophages
c. follicular dendritic cells
d. reticular cells

A

d. reticular cells

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10
Q

Where are dendritic cells most likely to be found?

a. deep cortex
b. superficial cortex
c. germinal centers

A

a. deep cortex

(they’re localized in places with a lot of T lymphocytes, so they can use their MHC II molecules to present antigens to the lymphocytes)

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11
Q

Which of the following is not an APC?

a. dendritic cells
b. macrophages
c. follicular dendritic cells
d. thymic interdigitating cells

A

c. follicular dendritic cells

they don’t express MHC II

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12
Q

Tonsilar crypts, which form when the epithelium dips into the tonsils, are derived from

a. the first pharyngeal pouch
b. the second pharyngeal pouch
c. the third pharyngeal pouch

A

b. the second pharyngeal pouch

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13
Q

Peyer’s patches are found in the

a. duodenum
b. jejunum
c. ileum

A

c. ileum

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14
Q

the thymus is derived from

a. the first pharyngeal pouch
b. the second pharyngeal pouch
c. the third pharyngeal pouch

A

c. the third pharyngeal pouch

with a contribution from the fourth pharyngeal pouch too

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15
Q

T/F: the thymus stops supplying T lymphocytes and secreting thymic hormones after puberty

A

false, it continuously does those things throughout life

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16
Q

What uptakes the dead cells of the thymus?

A

macrophages at the cortico-medullary junction

17
Q

Hassall’s corpuscles are an indicator of

a. a highly working thymus, producing many T cells
b. autoimmune disease
c. degeneration of the thymus
d. that the thymus is active due to disease

A

c. degeneration of the thymus

18
Q

Hassall’s corpuscles are made from

a. epithelioreticular cell type I
b. epithelioreticular cell type IV
c. epithelioreticular cell type V
d. epithelioreticular cell type VI

A

d. epithelioreticular cell type VI

19
Q

Which of the following compartmentalizes the cortex?

a. epithelioreticular cell type I
b. epithelioreticular cell type II
c. epithelioreticular cell type III
d. epithelioreticular cell type V

A

b. epithelioreticular cell type II

20
Q

Which of the following compartmentalizes the medulla?

a. epithelioreticular cell type I
b. epithelioreticular cell type II
c. epithelioreticular cell type III
d. epithelioreticular cell type V

A

d. epithelioreticular cell type V

21
Q

Which of the following forms the BBB?

a. epithelioreticular cell type I
b. epithelioreticular cell type II
c. epithelioreticular cell type III
d. epithelioreticular cell type V

A

a. epithelioreticular cell type I

22
Q

Which TWO of these have MHC 1 and 2 molecules?

a. epithelioreticular cell type I
b. epithelioreticular cell type II
c. epithelioreticular cell type III
d. epithelioreticular cell type IV

A

b. epithelioreticular cell type II
&
c. epithelioreticular cell type III

23
Q

Which TWO of these form the corticomedullary junction?

a. epithelioreticular cell type I
b. epithelioreticular cell type II
c. epithelioreticular cell type III
d. epithelioreticular cell type IV

A

c. epithelioreticular cell type III
&
d. epithelioreticular cell type IV

(they create the barries between cortex and medulla)

24
Q

The ligaments of the spleen attach it to which TWO things?

a. stomach
b. pancreas
c. right kidney
d. left kidney

A

a. stomach
&
d. left kidney

25
Q

Which of the following does the spleen lack?

a. afferent lymphatics
b. cortex
c. medulla
d. all of them

A

d. all of them

26
Q

What’s TRUE about periarteriolar lymphatic sheath?

a. thymus independant
b. mostly has B lymphocytes
c. mostly has T lymphocytes

A

c. mostly has T lymphocytes

27
Q

The marginal zone surrounds the

a. white pulp
b. red pulp
c. the cortex
d. the capsule

A

a. white pulp

28
Q

When the spleen is enlarged, where can it be felt?

a. anterior to rib 7-8
b. below the costal margin
c. posterior to ribs 9-11

A

b. below the costal margin

29
Q

Which of the following is not considered lymphoid tissue?

a. white pulp
b. red pulp
c. the marginal zone

A

b. red pulp

30
Q

Which of the following describes the human spleen?

a. blood enters the red pulp then enters the sinusoids
b. blood enters directly into sinusoids

A

a. blood enters the red pulp then enters the sinusoids

an open system

31
Q

What two things do doctors have to be careful with when working with the spleen (splenectomy and biopsy)?

A

during splenectomy, make sure the pancreas tail is preserved

during biopsy, the needle should not enter the pleural cavity

32
Q

In what organ is each of these located?

a. Malpighian corpuscles
b. Hassall’s corpuscles

A 
a= white pulp of the spleen
b= medulla of the thymus

I&I Past Exams (14 decks)

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