Immune System Quiz

Which is not a point of entry for pathogens?

• Mouth

• Anus

• Nostrils

• Eyes

Which is not a line of defense for the immune system?

• Skin

• Red Blood Cells

• Nostril hair follicles

• Mucus membranes

Is the pH of stomach acid acidic, neutral or basic?

• Acidic

• Neutral

• Basic

Leukocytes are phagocytic ________.

• Red Blood Cells

• White Blood Cells

• Symbiotic Bacteria

The protein used to destroy the membrane of invading cells is called ________.

• Histamine

• Neutrophil

• Hemoglobin

• Perforin

During inflammatory response, ________ are removed from damaged tissue by phagocytes.

• Platelets

• Clotting blood

• Pathogens

• Cancerous cells

What do your immune cells look for to determine if a cell is harmless or foreign?

• Antigens

• Antibodies

• Phagocytosis

• Lymph nodes

Which cells release antibodies that disable pathogens?

• B-cells

• Natural killer cells

• T-cells

• Phagocytes

What is immunity?

• The body's ability to produce cells that inactivate foreign cells or substances.

• The body's ability to produce the "fight or flight" response.

• The body's ability to regulate homeostasis through feedback loops.

• The body's ability to use the endocrine system to fight defense.

Vaccines stimulate the body to produce ________.

• Leukocytes

• Helper T-cells

• Autoimmune diseases

• Antibodies/Memory Cells