BIO 242 EXAM 3 Questions And Answers With Complete Solutions

BIO 242 EXAM 3 Questions And Answers With
Complete Solutions
Which lines of defense would be considered nonspecific?
✅First line of defense
Second line of defense

Differentiate between components of first and second line
defense ✅FIRST: Physical and Chemical barriers
SECOND: phagocytosis, inflammation, fever, antimicrobial
proteins

FLOD: lysozome ✅is secreted in tears in saliva

What human body region is protected by fatty acids, acidic
pH, lactic acid, and tough cell barrier with its own normal
biota? ✅skin

The sweat doud on skin and saliva in the mouth attributed
to what line of defense? ✅First line

Eosinophils ✅attack parasitic helminths

Basophils ✅- make up less than .5% of circulating WBCs
- granules contain histamine

When monocytes migrate from the blood out to the
tissues, they are transformed by inflammatory mediators
to develop into________ ✅Macrophages

, Inflammation- Cardinal Signs ✅- Rubor: redness
- Calor: warmth
-Tumor: swelling
Dolor: pain

The third line of defense against foreign invaders van be
describes as having _______ and _______ ✅Specificity
and Memory

A foreign molecule that causes a specific immune
response is an ______ ✅Antigen

___ cells are part of the humoral immunity and mature in
the BM ✅B cells

____ cells are part of the cell mediated immunity and
mature in the thymyus ✅T cells

The most abundant class of antibodies in serum is ✅IgG

_____ cells secrete antibodies ✅Plasma

IgG ✅monomer

IgA ✅dimer

IgM ✅pentamer