Blood: 12.2 Questions - Group 3 Flashcards
Where are red blood cells made?
In the red bone marrow
The hormone released by the kidney that targets the red bone marrow to produce erythrocytes is called:
Erythropoietin
The hormone, erythropoiesin, targets the hematopoietic __________ cells of the red bone marrow.
Stem
Erythrocytes lose their nucleus right before they leave the red bone marrow. True or False?
True
Where would one find immature red blood cells?
In the red bone marrow
What is the term used for when red blood cells are produced in the red bone marrow?
Erythropoiesis
What hormone stimulates erythropoiesis?
Erythropoietin
Where are the targets cells for erythropoietin?
In the red bone marrow of adults and children
Where are the major target cells for adults for erythropoietin?
- Flat bones such as the sternum
- Iliac crest
- Epiphysis (especially the head of the
femur)
Since RBCs cannot undergo mitosis, they grow old quickly and ___________.
Die
What organ is called the “graveyard for the red blood cells” since many red blood cells are destroyed there?
Spleen
Hemolysis refers to the ______________ plasma membrane rupturing (breaking apart).
Red blood cell
Hemolysis releases _____________ .
Hemoglobin
When hemoglobin is broken down, the released iron and amino acids are ________________.
Recycled
When hemoglobin is broken down, some of it is a waste called:
Bilirubin
What organ removes bilirubin and places it in the gallbladder.
Liver
What does the gallbladder do with the bilirubin from the liver?
Stores it and releases it into the small intestine as bile.
Too much destruction of red blood cells can release too much bilirubin into the blood and cause a yellow color to the skin called:
Jaundice
What causes the body’s feces to turn brown?
Bilirubin released into the small intestine that is processed by bacteria in the intestines.
Can the presence of jaundice be a sign of rapid RBC destruction?
Yes, it is called hemolytic anemia
