Second line of defense

What type of blood cell is this?

• Lymphocyte

• Neutrophil

• Monocyte

• Eosinophil

A white blood cell that destroys pathogens by engulfing them and breaking them down is called:

• B-cell

• Phagocyte

• Antibody

• Antigen

What role do enzymes play in phagocytosis?

• they destroy/digest pathogens

• they contain lysosomes

• they are destroyed by pathogens

This system provides a rapid, early response to invading microorganisms; what is considered the second line of cellular immune defense?

• Adaptive

• Skin

• Innate

• Tears

NK cells are

• small, granular lymphocyte

• small, agranular lymphocyte

• large, granular lymphocyte

• large, agranular lymphocyte

The part of the pathogen that our body recognizes as foreign is called the...

• Antigen

• Antibody

• Receptor

• Enzyme

Which of the following would be most likely to amplify the immune response?

• Complement proteins

• Interferons

• Phagocytes

• NK cells

Chemical that causes the blood vessels around the infection to dilate (expand) so that more blood can flow to the infection

• Stomach acid

• Mucus

• Epithelial cells

• Histamines

What is phagocytosis?

• WBCs

• When a cells eat other cells

• When a cell collapses

• When a cell releases nutrients

Which of the following secretes histamine?

• B cells
• macrophages
• neutrophils
• mast cells