Which of the following is/are included in the second line of
defense?
a) chemicals
b) fever
c) WBCs
d) all of these
Which of the following is/are NOT included in the second line of defense?
a) mucus membrane
b) skin
c) WBCs
d) both a and b
How the second line of defense works?
a) it stops the entry of germs
b) kill germs and protects the body
c) forms antibodies
d) all of these
Which of the following eating the germ cells?
a) first line of defense
b) second line of defense
c) adaptive immunity
d) both a and b
Explanation:The second line of defense is nonspecific resistance that destroys invaders in a generalized way without targeting specific individuals: Phagocytic cells ingest and destroy all microbes that pass into body tissues. For example macrophages are cells derived from monocytes (a type of white blood cell).
Face mask, gloves and sanitizer help which of the following type of immunity?
a) first line of defense
b) second line of defense
c) adaptive immunity
d) passive immunity
Adaptive Immunity:
