LBOBIO7 LE3 (Hematopoietic Tissue)

The formed elements of blood, are suspended in a liquid medium called what?

Blood cells have a limited life span, and, as a result, they wear out and need to be continuously replaced in the body

• True

• False

What is the process of blood cell production is called?

Hemopoiesis occurs in different organs of the body, depending on the stage of development of the individual.

• True

• False

In a developing embryo, hemopoiesis initially occurs in which of the following?

• Yolk sac

• Liver

• Spleen and lymph nodes

• Bone marrow

• Red marrow

In a developing embryo, hemopoiesis occurs later in which of the following?

• Yolk sac

• Liver

• Spleen and lymph nodes

• Bone marrow

• Red marrow

After birth, hemopoiesis continues almost exclusively in which of the following?

• Yolk sac

• Liver

• Spleen and lymph nodes

• Bone marrow

• Red marrow

A highly cellular structure and consists of hemopoietic stem cells and the precursors of different blood cells?

Which of the following best describe the arrangement and composition of red bone marrow?

• Loosely arranged

• Tightly packed

• Comprised mainly of elastic fibers

• Comprised mainly of reticular fibers

• Comprised mainly of collagen fibers

As the individual ages and becomes an adult, the red marrow is found primarily where?

• Flat bones of the skull

• Sternum and ribs

• Vertebrae

• Pelvic bones

• Long bones in the limbs