Immune System connect pt 1

Question 1

The activities of macrophages are apart of?

Answer 1

nonspecific response against disease and stimulate phagocytic neutrophils.

Question 2

All of the following are functions of the lymphatic system EXCEPT
absorbing excess tissue fluids and returning them to the bloodstream.
transporting gases, nutrients, and metabolic wastes to parts of the body which have exchange boundaries with the external environment.
production, maintenance, and distribution of lymphocytes.
defending the body against pathogens.

Answer 2

transporting gases, nutrients, and metabolic wastes to parts of the body which have exchange boundaries with the external environment.

Question 3

3 functions of the lymphatic system

Answer 3

absorbing excess tissue fluids and returning them to the bloodstream.
production, maintenance, and distribution of lymphocytes.
defending the body against pathogens.

Question 4

molecules produced by white blood cells that stimulate other white blood cells, namely T cells.

Answer 4

Antigens

Question 5

The reason that cellular slime molds are being used to study the evolution of the immune system is because:

Answer 5

cells within the multicellular slug will perform specialized function similar to that of neutrophils and macrophages.

Question 6

The lymphoid organ in which B lymphocytes are produced is the

Answer 6

red bone marrow.

Question 7

All of the following are outward signs of inflammation EXCEPT
redness.
swelling.
pain.
lower temperature.

Answer 7

lower temperature.

Question 8

outward signs of inflammation

Answer 8

redness.
swelling.
pain.

Question 9

Which of the following statements about B cells is true?
B cells develop and mature in the bone marrow.
B cells carry receptor molecules on their cell surfaces.
B cells change into plasma cells after encountering an antigen and then produce antibodies.
Some B cells become memory cells.
All of these are true.

Answer 9

All of these are true.

Question 10

3 things true of the T cells?

Answer 10

T cells mature in the thymus.
T cells carry receptor molecules on their cell surfaces.
T cells require presentation of antigens by macrophages before they are able to recognize the antigen.

Question 11

Which kind of T cell is most important in the removal of cancer cells or virally infected cells from the body?

Answer 11

cytotoxic T cells

Question 12

Immediate allergic responses are caused by ______ antibodies.

Answer 12

IgE

Question 13

Innate immunity is more likely to play a role in defending the body against which of the following invaders?

Answer 13

microbial pathogens

Question 14

Most of the lymph fluid is returned to the bloodstream through the thoracic duct to the

Answer 14

left subclavian vein.