Final Exam Flashcards
Heavy Chain
Part of the antibody structure, has more amino acids and held my covalent bonds
Light chain
part of the antibody structure, smaller/less amino acids, held by covalent bonds
Constant region
Part of the antibody structure that remains the same, determines the antibody class
Variable region
The region that is different on the antibody that determines the specificity
Antibody specificity
what specific epitope is there that will allow the one antigen to bind to the antibody
Immunological tolerance
destroy the ones that could cause autoimmunity, random variable regions may make anti-self antibodies
use tolerance, deletion, anergy, and peripheral tolerance
only B-cells binding non-self survive & function
if B-cells can tolerate their own cells
Clonal deletion
B-cells bind before antigens present –> apoptosis
Is getting rid of everything that is not tolerant
Clonal anergy
B-cells bind before antigen present lose function
risk that it could become active again and give autoimmune
may stimulate but lose ability to respond
Peripheral tolerance
B-cells binds without T-helper cells –> apoptosis
if it doesn’t receive the second signal it will die (shut down)
Fc
Constant region on protein
IgD
only found on B-lymphocytes
Monomeric B-cell antigen receptor
held in a plasma membrane with a pointy side out, change shape will activate the cell
they are never secreted, when it binds to matching antigen it will activate cell, they will then divide to give memory & plasma cell clones
IgM
deals with blood type (ABO)
monomer in the B-cell membrane acts as an antigen receptor
like IgD when antigen binds it activates B-cell
IgM is secreted as a pentamer, 1st antibody in primary response, includes anti-ABO antibodies, can’t cross placenta (too big), does not give passive immunity
IgG
main blood antibody 80% of antibodies
whorks by neutrilizing toxins & opsonization
major antibody of late primary & secondary responses
monomer that includes anti-Rh antibodies
cross placenta to provide fetus/newborn immunity
IgA
13% of antibodies
dimer, secreted in mucus, milk, tears, saliva
IgE
0.002%
antibody of allergy & antiparasitic activity
monomer, signals basophils & mast cells to stimulate inflammation
Activation
Antigen binds B-cell membrane IgM or IgD recptor
the B-cell phagocytoses surface antibody w/ its antigen
then it will display and digest fragments on surface MHC-II
Memory cell
plasma cells that turn into memory cells for later
Neutralize
cover toxins & virus binding sites
keeps virus form getting into cell, blocking from moving forward
Complement
Precipitate
bind over and over by cross linking with antibodies they will get bigger until they fall out of solution
Primary response
slow, since few responsive cells ready
Secondary response
rapid since menay memory cells
Active immunity
you own cells responding & secreting antibody
Passive immunity
others antibodies from breast feeding milk, covalescent plasma, RhoGam
Natural immunity
w/out medical intervention
Artificial immunity
intentionally introduced in medical context
Convalescent plasma
plasma that comes from people who have recovered from an infection
Conducting zone
transports air in & out of lungs
nostrals, mouth, throat
Respiratory Zone
for gas exchange deep in the lungs
Mucosa
Epithelium at lumen & arelar tissue
humidifies inhaled air, captures dust & microbes w/ mucus
Lamina propria
areolar connective tissue underneath
Goblet cell
unicellular mucus glands in epithelum
Submucosa
dense irrebular fibrous C.T deep to laminal propria
Mucus gland
multicellular with ducts to lumen
Serous gland
bactericidal, dissolve odorant (chemical you can smell), humidify air
Odorant
chemical you can smell
Concha
superior, middle & inferior (turbinates)
causes tubulence, forcing air across mucosa
improves warming & moistening air & trapping microbes
Paranasal sinus
Frontal sinus
Maxillary sinus
Sphenoid sinus
Ethmoid air cell
Pharynx
Nasopharynx
Eustachian (Auditory) tube
Oropharynx
Laryngopharynx
Larynx
Glottis
Vocal cord
Epiglottis
Trachea
Tracheal cartilage
Trachealis
muscle that is going to close the posterior side by the esophagus
Primary bronchus
secondary (lobar) bronchus
Lobe
Tertiary bronchus
Segment
Bronchiole
after tertiary bronchus
to lobules, less and less cartilage until none is left and only muscles to control constiction
Terminal bronchiole
Respiratory bronchiole
start of gas exhange beause of simple squamous epithelium
Alveolar duct
After the respiratory brochioles continuation of gas exchange
Alveolar sac
last part in the respiratory zone where gas exchange occurs
Respiratory membrane
type 1 cells + capillary endothelium
makes it easy to exchange gas
Surfactant
secreated by type II cells and is used to keep the alveoli from colapsing by reducing surface tension
Type I alveolar cell
part of the respiratory membrane
are squamous & have an epithilum to prevent bubbles
Type II alveolar cell
are Cuboidal that make surfactan
Alveolar macrophage
clean up any dust that has gotten throught the rest of the system
immune system cell (dust cell)
Dust cell
Alveolar macrophage
Hilum
site where bronchi, vasculature nerves enter the lungs
Apex
base of the lungs
shape is molded with the diaphragm
Base
part of apex
Costal
along the ribs
Mediastinal
middle of the chest
Cardiac notch
heart and the lungs meet
on the left
Bronchial tree
Primary, secondary, tertiary, bronchioles, terminal bronchioes
Fissure
separate 2 lobes on the left 3 lobes on the right
Pulmonary circuit
Pulmonary plexus
enter hilum & follows tree
Bronchoconstriction
done by parasympathetic nervous system
from cranial X used vegus nerve
Bronchodilation
sympathetic by thoracic chain ganglia
fight or flight, need more O2 or use more O2 want to increase flow and decrease resistance
Pleura
each of a pair of serous membranes lining the thorax
Serous membrane
similar to pericardium, that is sealed, lungs are embedded, is a simple squamous epithilium & areolar tissue
parietal & visceral pleura
Parietal pleura
closes to the skin
Visceral pleura
closest to the lungs
Pleural cavity
the cavity of which the serous membrane holds the lungs
full of fluid, adhesive pleural fluid to prevent friction and allow control of movement
Pleural fluid
is used to prevent friction adn allow control of movement
Atmospheric pressure
Patm
Intra-alveolar pressure
Palv
changes with chest volume
pressure in alveoli sacs, pressure decrease force into lungs pressure increase force out
Intrapleural pressure
Pip
should always be less than the pressure in our lungs Pip<Palv
Respiratory cycle
the process of breating in and out