blood quiz part 3

Damaged red blood cells are phagocytized by macrophages in the spleen or liver and their components are recycled, EXCEPT for the

heme group (minus the iron atom), which is converted into a green pigment called biliverdin

In adults, red blood cells are made in one place, spend most of their lifespan in another, and most are finally destroyed in yet another place. Which choice lists these locations in chronological order?

bone marrow; blood vessels; spleen

Blood test results for an adult male are returned and the total red blood cell count is 2,500,000 cells per mm3. This person

has an abnormally low total red blood cell count

In which choice are the formed elements arranged in order of increasing size?

platelet, red blood cell, neutrophil

Which blood component is NOT correctly matched with its function?

platelets - phagocytize bacteria

Which leukocyte is NOT correctly matched with its description?

basophil - typical kidney-shaped nucleus, largest white blood cell

Which type of leukocyte is correctly matched with its function?

basophils - release histamine in areas of damaged tissue

As red blood cells get older, they

become more fragile

What would you suspect to find if someone has high blood erythropoietin levels?

blood oxygen deficiency

Which hormone stimulates red blood cell formation?

erythropoietin

Which condition would stimulate erythropoietin secretion?

low blood oxygen level

Which cell is NOT classified as a granulocyte?

lymphocyte

Which is NOT correct about RBC recycling?

the entire heme molecule is eliminated by the liver

The lower the total amount of iron stored in the body,

the higher the absorption of ingested iron in the intestine.

The carrier protein that transports absorbed iron through the blood is

transferrin