Nonspecific Defenses (Unit 7 Standard A)

Which of the following is the first line of defense that prevents foreign material from entering the body or blood freely?

• Phagocytes

• NK cells

• Interferons

• Physical barriers

 What category of immune response would sneezing fall under?

• Innate Immunity

• Acquired Immunity

• Humoral Immunity

• Cell Mediated Immunity

Physical barriers for immunity DO NOT include

• Skin

• Mucous membranes

• Hair

• Digestive acids

Which of the following is released by mast cells?

• Aspartic acid

• Tissue

• Histamines

• Declotting factors

A rise in the level of interferon in the body would suggest which kind of infection?

• Parasite

• Bacterial infection

• Viral infection

• Cancer

Tags

NGSS.HS-LS1-3

Which of the following is NOT an effect of inflammation?

• Neutrophils accumulate in enclosed tissue space

• Additional pathogens are prevented from entering the wound

• Pathogens spread away from injury slows down

• Local defenses facilitate repairs and regeneration

NK cells are

• Able to secrete pus

• Able to engulf abnormal cells

• Able to lyse abnormal cells

• Unable to recognize cancer cells

What is a neutrophil?

• A free macrophage

• A microphage

• A fixed macrophage

• A monocyte

What are lysozymes?

• Destructive enzymes

• Regenerative enzymes

• Simple monomers

• Parasitic enzymes

Fever is MOST beneficial to

• The hypothalamus

• The body’s metabolism

• The necrosis of cells

• The inhibition of viruses and bacteria

Tags

NGSS.HS-LS1-3