Immunological Responses to Infections Flashcards
DEFENSE MECHANISMS OF THE HUMAN HOST
______ Mechanisms (______ immunity)
________ Mechanisms (_______ immunity)
___________ between mechanisms
Innate; Innate
Adaptive; Adaptive
Cooperation
DEFENSE MECHANISMS OF THE HUMAN HOST
Innate Mechanisms (Innate immunity)
____ line of defense
_______
(Specific or Non-specific?)
First
In born
Non-specific
DEFENSE MECHANISMS OF THE HUMAN HOST
Adaptive Mechanisms (Adaptive immunity)
________ line of defense
Highly _____ with ______
Second
specific
memory
Innate Responses Mechanisms
Barriers
•Skin
_________: ______
_________
Epidermis : Keratin
Dermis
Innate Responses Mechanisms
Barriers
Mucous membrane
(More or Less?) protection than skin
•______ nature
•Similar to ____
•_______ layer with _________________
Less
Fluid
skin
Epithelial
underlying connective tissue
Barriers: Mechanical Factors
______ apparatus
________
________ cells and ______
•Ciliary ________
________
____________
_______ secretions
Lacrimal
Saliva
Goblet; mucous
escalator
Epiglottis
Urination
Vaginal
Barriers: Chemical Factors
A) Sebum
•Produced by _____________
•__________ ———- _______ (hydrophobic)
B) (Low or High?) pH (pH ____) of skin
sebaceous glands
Unsaturated fatty acids
Low ; 3-5
Barriers Chemical Factors
Perspiration
•____ glands
•_____ and _______ effect
Sweat
Lysozyme and washing
Barriers Chemical Factors
Gastric juice
_____, enzymes and mucous (very ____ pH: ____-____)
______,_________, and _______ can survive
Ulcers and H. pylori
HCl
Low; 1.2-3.0
C. botulinum, S. aureus, and H. pylori
Barriers Chemical Factors
Transferins
____________ proteins found in blood
It ________ the amount of available ———
Iron binding
Reduces; iron
Adaptive Immune Response Mechanisms
Activated when ____________
____ mediated by ___ cells or _________ mediated by ____ cells
innate responses fail
Cell; T
Antibody (Humoral) ; B
Acquired Immunity
Acquired Immunity is more specialized than other mechanisms of immunity.
T/F
T
Acquired Immunity
Acquired Immunity may be a _____-mediated or it may be a ______ immunity.
cell
humoral
Naturally Acquired Immunity
Types
________\ or ————
Passive or Active
Naturally Acquired Immunity
Passive
- Passively acquired through _______
- Passively acquired through _________
mother’s placenta
mother’s breast milk