1. the immune system tries to stop foreign agents by either killing cells directly or by
a) flushing the foreign bodies out
b)creating an unstable environment
c) reallocating critical functions
d) erecting mucous membranes
2. a chronic auto immune disease where the body produces antibodies that stick to the body's own cells causing the body to attack itself is called
a)AIDS
b)cancer
c) rheumatoid arthritis
d) systemic lupus erythematosus
3. cells that police the body in blood and lymph to kill cancer cells and virus infected body cells are called
a) natural killer cells
b) antibodies
c) antigens
d) histamines
4. as an infant the ability to produce antibodies is
A) limited
B) the same as an adult
C) nonexistent
D) about 80% of that of an adult
6. when abnormal antibodies in the blood start to target tissues with in the body casing paint swelling in joints general fatigue fever chills and headache it is called
a)AIDS
b)cancer
c) rheumatoid arthritis
d) systemic lupus erythematosus
8. the fluid that is forced out of the capillary beds by hydrostatic and osmotic pressure into the tissue space is called
A) arterial blood
B) venous blood
C) plasma
D) lymph
9. any substance capable of exciting the immune system and provoking an immune response is called
a) an antigen
b) an antibody
c) an allergy
d) immunity
10. tonsils are to the throat as ___are to the intestine
a) mucosa-associated lymphatic tissues
b) peyer's patches
c) phagocytes
d) perforins