Chapter 3: mechanisms of protection

Question 1

surface protection (keratin on skin, mucus, acidic environment) & acute inflammation are both examples of ___ immunity

Answer 1

innate

Question 2

immune response, which includes humoral immunity & cell-mediate immunity are examples of ___ immunity

Answer 2

acquired (adaptive)

Question 3

• immunity in response to bact/some virus
• B & plasma cells, w/ T cell involvement
• antibody production

Answer 3

humoral immunity

Question 4

• immunity in response to viruses, fungi, foreign cells
• T cells (not B dependent)
• cytotoxic response

Answer 4

cell-mediated immunity

Question 5

the ____ ____ functions to

• store lymphocytes
• increase lymphocytes
• favorable environment for establishing immunity

Answer 5

immune system

Question 6

___ lymphatics has no/incomplete capsul and includes hu oral immunity, while lymphatic ____ have a capsule and involve both humoral & cell mediated immunity

Answer 6

diffuse

organs

Question 7

___lymphoid organs provide an environment where lymphocytes become immunocompetent

Answer 7

primary

Question 8

two examples of primary lymphoid organ

Answer 8

thymus (B cells)
bone marrow (T cells)

Question 9

____ lymphoid organs provide environment where lymphocytes can contact foreign antigens and interact with each other

Answer 9

secondary

Question 10

two examples of secondary lymphoid organs

Answer 10

spleen

lymph nodes

Question 11

MALT, a type of diffuse lymphatic, stands for __ __ __ __

-is found in gastrointestinal, respiratory, urogenital tracts

Answer 11

mucosal associated lymphatic tissue

Question 12

this is secreted onto free epi surfaces and is important first line of defense against infection

• antigen specific
• neutralizes viruses & bact toxins
• decreases microbial adhesion to host cells

Answer 12

secretory IgA

Question 13

examples where secretory IgA is found (free epi surfaces)

Answer 13

tears
saliva
gut lumen
nasal cavity
vaginal surface

Question 14

GALT is ___ associated lymph. tissue and is found in the GI tract: indivual lymph nodules and ileum peyer’s patches
-subcategory of MALT

Answer 14

gut

Question 15

BALT is ___ associated lymph tissue, found in lymph nodules w/i respiratory system, when air tubes bifurcate
-subcategory of MALT

Answer 15

bronchial

Question 16

tonsils, a type of diffuse lymphatic, can either have ____ ___ or ___ ___

Answer 16

epithelial folds (pleated)
tonsilar crypts

Question 17

epithelial fold/pleated tonsil type that:

• have 1 in roof of nasopharynx above uvula
• surface epi is respiratory epi

Answer 17

pharyngeal tonsils

Question 18

when pharyngeal tonsils are inflamed, they are called _____, can block eustachian tubes and cause ___ ___

Answer 18

adenoids

ear infections

Question 19

two tonsil types with tonsilar crypts

Answer 19

palatine

lingual

Question 20

tonsilar crypt tonsil type that:

• is at the boundary of oral cavity/oral pharynx
• surface epi is stratified squamous
• aka faucial tonsils

Answer 20

palatine

Question 21

more area for:
-detecting foreign antigens
-getting trapped in crypts
-increased S.A. for lymph nodule formation in CT
are all:

Answer 21

advantages of palatine tonsils

Question 22

• deep depressions for bacteria to thrive

- inflammation can cause tonsiliting

Answer 22

disadvantages of palatine tonsils

Question 23

tonsilar crypt tonsil that is:

• dorsal posterior 1/3 of tongue
• in oral cavity
• surface epi is stratified squamous

Answer 23

lingual

Question 24

tonsillar ring around the openings to the digestive and respiratory systems

Answer 24

waldeyer’s ring