Ch 16 Flashcards
Which is a specific line of defense?
Innate or adaptive
Adaptive
Which line of defense is non specific
Adaptive or innate
Innate
____ immunity (nonspecific) has 2 lines of defense.
1- skin, mucus membranes, normal microbia
2- natural killer cells, phagocytes, fever, inflammation, antimicrobial substances
Innate
____ immunity is a slower response but has memory comments. Has lymphocyte & T cells & B cells
Adaptive
____ immunity is present at birth
Innate
1st line of defense. There are examples of \_\_\_\_ factors Dermis, epidermis, keratin Mucous membranes, mucus(traps microbes) Ciliary escalator
Physical factors
_____ _____ transports microbes trapped in mucus away form lungs. Keeps mucus moving upward the throat
Ciliary escalator
T or F. Chemical factors usually have low pH to,protect you.
T
Normal microbiota compete with ____ or ____ the environment
Normal microbiota compete with pathogens or alter environment
Phagocytosis
T or F. When it comes to phagocytosis neutrophils are the first to arrive.
T
Phagocytosis
T or F. Fixed macrophages live in organs where we need them
T
Phagocytosis
Wandering macrophages are stationary or patrol around?
Wander around
Immediately after following tissue damage, blood vessels dilate the area. of damage and their permeability increases. Dilation if blood vessels is called ____.
Vasodilation
_____ and the increase in permeability of blood vessels are caused by a number of chemicals released by damaged cells in response to injury.
Vasodilation
These are examples of ___ ____ released that cause vasodilation and permeability of blood vessels.
Histamine, kinins, prostaglandins, leukotrienes.
Chemical substances
