Biology
Immunity
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#1 Skin and mucus membranes are component of
A) 1st line of defense
B) 2nd line of defense
C) 3rd line of defense
D) Specific defense
#2 Epidermal dendritic cells that actively patrol the skin, act as
A) Lymphocytes
B) Phagocytes
C) Pathogens
D) None of these
#3 Sweat contains salt and enzymes
A) Amylases
B) Lysozymes
C) Catalase
D) Kinase
#4 Oil produced by sebaceous glands inhibits bacterial growth by
A) Lowering pH
B) Increasing pH
C) Toxins
D) Phagocytosis
#5 Our 1st line of defense against Bacteria and viral infections in stomach, includes
A) HCI
B) Pepsin
C) Rennin
D) Mucus
#6 Macrophages and neutrophils are components of
A) Specific immune response
B) Non - Specific immune response
C) Cell mediated immune response
D) Humoral immune response
#7 Most common form of white blood cells in the body are
A) Monocytes
B) Macrophages
C) B-Cells
D) Neutrophils
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