Epithelial tissue covers surfaces and lines cavities. This is the ___ line of defense.     mechanical     antibody-antigen     physical     chemical

True or False Specialized organs, tissues, and cells make up the immune system. Parasites, viruses, and antibodies are harmful invaders.

A life threatening excessive allergic response is called ___.     anaphylaxis     CVA     anergy     diapedesis

Antibody is ___.     a Y shaped cell     the protein marker which identifies self and foreign cells     a Y shaped molecule     a type of virus

Some immune systems fail to work effectively so the person is less protected than others. This type of disease or medically induced condition is called ___.     atelectasis     anergy     protein deficiency     immunosuppression

The _______ lymph nodes are found clustered in the area of the armpit

A disease which is the result of the immune system attacking its own cells is called ___.     autoimmune     genetic     immunosuppression     idiopathic

Some antibody is passed across the placenta from mother to fetus during gestation. This type of immunity is called ___.     natural active     natural passive     artificial passive     artificial passive

The innate immune response is named so because the characteristics of this response act internally. The adaptive immune response, however, begins after birth when supplemented by breast feeding or skin to skin contact. True False

The large white cells which can engulf invaders are called ___.     erythrocytes     platelets     neutrophils     macrophages