Exam 12 lymphatic

humoral immunity is provided by

antibodies

Which one of the following is NOT one of the nonspecific body defenses:

antibody production

Lymph is largely composed of water that has escaped from:

blood

where do B cells develop immunocompetence

bone marrow

a lymph node is indicated by letter

B

the thymus gland is indicated by letter

B

which of the following is not one of the four most common indicators of the inflammatory response

chills

what type of cell specializes in killing virus-infected, cancer, or foreign graft cells directly

cytotoxic T cells

process by which neutrophils squeeze through capillary walls in response to inflammatory signals is called

diapedesis

excess accumulations of fluid, which impair the exchange of materials within the tissues, is called ___

edema

Fluids that have escaped the cardiovascular system are picked up by the ________.

B) lymphatic system

lymphatic collecting vessels are indicated by letter

C

the spleen is indicated by letter

C

which of the following provides active immunity that is artificially acruired

vaccines

what is the region of the antibody that avries from antibody to antibody

variable or v region

what makes lymph capillaries different from blood capillaries

C. mini valves

the Peyer's patches are indicated by letter

D

blood capillaries are indicated by letter

E

what small proteins are secreted by virus-infected cells to help defend cells that have not yet been infected

interferons

the lymphoid tissues that trap and remove bacteria that enter the throat are indicated by letter

label A

the lymphoid organ that destroys worn-out blood cells is indicated by letter

label C

a lymph capillary is indicated by

label D

what mediates the adaptive defense system (specific defense system) ?

lymphocytes.

within the lymph node, what cells engulf and destroy bacteria, viruses, and other foreign substances in the lymph

macrophages

in the 1940's christine had the chicken pox

memory cells

due to a recent respiratory illness from a viral infection, Jennifer has now developed

naturally acquired active immunity

the process by which antibodies bind to specific sites on bacterial exotoxins (toxic chemicals secreted by bacteria) to block their harmful effects is called

neutralization

antibodies provided by serum from an immune donor or an animal donor do not challenge the B cells and thus provide

passive immunity

which of the following ar eharmful or disease caising microorganisms from which non specific defeneces protect the body

pathogens

How do plasma cells assist with humoral immunity?

plasma cells secrete highly-specific antibodies

what chemical do white blood cells and macrophages secrete to raise body temereture and induce fever

pyrogens

from what part of the body does the right lymphatic duct collects lymph

right arm

which of the following is least likely to provoke an immune response

self-antigens

what is the bodys first line of defense againsts the invasion of disease causing microorganisms

skin and mucous membranes

what lymphoid organ stores platelets and acts as a blood reservoir

spleen

the inflammatory process begins with release of chemicals, which do all of the following EXCEPT

stimulate the release of lysozyme.

which blood vessels receive lymph from the right lymphatic duct and the thoracic duct

subclavian veins

which one of the following is NOT a mechanism that aids lymph return to the heart?

the pumping action of the heart

while walking barefoot, maggie got cute

these symptoms indicate inflammatory response

which line of defense involves the recognition of specific antigens and actions to inactivate or destroy them

third line of defense

Where are the tonsils located:

throat, pharynx

which of the following lymphoid organs functions at peak level during youth

thymus

which of the following is not a lymphoid organ

thyroid gland

trap and remove bacteria and pathogens entering the throat

tonsils

the lymph duct is indicated by letter

A

the tonsils are indicated by letter

A

What does fever accomplish?

Fever inhibits bacteria reproduction and speeds the repair process.

Peyer's patches and the tonsils are part of the collection of small lymphoid tissues that protect the upper respiratory and digestive tracts from infection and are referred to as ________.

MALT or mucosa-associated lymphatic tissue