Immune System HW 4

Practice flashcards for Chapter 21 on the Immune System covering key concepts and definitions for exam preparation.

What condition is defined as a dangerous state where inflammation goes out of control?

Septic shock (sepsis)

What is opsonization?

A process of coating a pathogen to enhance phagocytosis.

Which autoimmune disease destroys the myelin sheaths of the brain and spinal cord?

Multiple sclerosis

Which autoimmune disease impairs communication between nerves and skeletal muscles?

Myasthenia gravis

What is the role of macrophages in the immune system?

A common antigen presenting cell (APC) that invokes inflammation.

What are neutrophils primarily known for?

Phagocytes that migrate to the site of an infection within a few hours.

Which enzyme in saliva and lacrimal fluids destroys bacteria?

Lysozyme

Mismatched statement : Helper T cells : directly target and kill cancer cells

^ false statement

What type of immunity is gained from the transfer of antibodies through the placental membrane or through a mothers milk

Passive natural immunity