Lymphatic & Immune System pt 1

Any organism that invades your body and causes disease is known as a:

• bacteria

• fungus

• virus

• pathogen

Which of the following areas does not have a large number of lymph nodes?

• cervical

• axillary

• abdominal

• adrenal

Cancer that has entered the lymph nodes is in what stage?

• first

• second

• third

• center

Which cells are housed in lymph nodes?

• red blood cells

• white blood cells

• platelets

• lymph nodes

The thoracic duct of the lymphatic system empties into what blood vessel?

• right subclavian vein

• left subclavian vein

• aorta

• hepatic portal vein

Lymph flows through lymphatic vessels and the force is generated via:

• skeletal muscle contraction

• cardiac muscle contraction

• pressure differences between vessel and organs

• smooth muscle contraction

The function of the thymus is to:

• remove pathogens from blood

• destroy damaged red blood cells

• none of the answers

Swelling of lymph nodes indicates an increased number of white blood cells in the nodes. Why would this happen?

• injury

• infection

• anemia

• bleeding

Cell surface molecules that can be used to identify cells are called:

• antibodies

• antigens

• antihistamines

• antibiotics

Proteins that bind to antigens are called:

• binding proteins

• receptors

• hormones

• antibodies