9 Lymphatic System

Question 1

lymphatic system

Answer 1

a network of lymph vessels, ducts, and nodes along with the thymus and spleen protect the body by removing pathogens

Question 2

lymph nodes

Answer 2

the smallest organs of the lymph system, they are capsules of tissue that filter lymph and contain lymphocytes that destroy pathogens

Question 3

B cells

Answer 3

lymphocytes that develop and mature in red bone marrow; they produce antibodies

Question 4

T cells

Answer 4

lymphocytes that develop and mature in the thymus; they seek out and destroy infected cells

Question 5

spleen

Answer 5

contains lymphocytes of the immune system and macrophages that filter abnormal blood cells; it also stores iron

Question 6

phagocytosis

Answer 6

white blood cells called phagocytes protect the body by consuming pathogens

Question 7

leukocytes

Answer 7

white blood cells that defend the body against disease; there are many types that account for 1% of circulating blood, and their numbers increase during infection

Question 8

lymph node clusters

Answer 8

where the head and limbs meet the torso and near the intestines

Question 9

physical barriers

Answer 9

skin, mucous membranes, tears, saliva, urine, and gastric juices

Question 10

inflammation

Answer 10

dilated blood vessels allow more white blood cells to enter the tissues

Question 11

phagocyte

Answer 11

a type of white blood cell that surrounds and kills invading cells by ingesting them

Question 12

lymphedema

Answer 12

swelling due to an abnormal accumulation of lymph fluid within the tissues

Question 13

lymph

Answer 13

begins as interstitial fluid between cells; it circulates through the body and eventually returns to venous blood

Question 14

autoimmune disease

Answer 14

a condition in which the immune system mistakenly attacks itself, targeting part of a person’s own body

Question 15

HIV/AIDS

Answer 15

a virus that kills or damages the body’s immune system cells

Question 16

lymphoma

Answer 16

a general term used for cancer of the lymph system; there are many types including Hodgkin and non-Hodgkin

Question 17

infectious mononucleosis

Answer 17

also known as “mono”, an infection caused by the Epstein-Barr virus that is spread through saliva

Question 18

acute lymphocytic leukemia

Answer 18

cancer of the white blood cells; it is the most common type of cancer in children

Question 19

chronic lymphocytic leukemia

Answer 19

cancer of the white blood cells; the bone marrow produces abnormal cells that crowd out healthy cells

Question 20

PMN

Answer 20

polymorphonuclear neutrophil (type of leukocyte)

Question 21

ESR

Answer 21

erythrocyte sedimentation rate (blood test for inflammation)

Question 22

IBC

Answer 22

iron binding capacity (blood test for iron)

Question 23

AML

Answer 23

acute myelogenous leukemia

Question 24

BMT

Answer 24

bone marrow transplant

Question 25

BC

Answer 25

Birth Control

Question 26

IUD

Answer 26

intrauterine device (a type of birth control)