INTRO TO THE HEMATOPOIETIC SYSTEM
EXAM QUESTIONS WITH CORRECT ANSWERS
What is the soft tissue that fills spaces in the interior of the long bones and spongy
bones of the skeleton - ANSWER bone marrow
what is the function of bone marrow? - ANSWER manufactures blood cells
what types of bone marrow are there? - ANSWER red and yellow
Bone marrow is found in the ribs, sternum, skull, clavicles, vertebrae, proximal
ends of the long bones, and iliac crest. - ANSWER red bone marrow
What does red bone marrow do? - ANSWER manufactures blood cells and
haemoglobin
which bone marrow consists of fat cells and connective tissue? - ANSWER yellow
Does yellow bone marrow participate in the manufacture of blood cells? -
ANSWER It does not participate in the manufacture of blood cells; however,
yellow bone marrow can form blood cells under conditions involving intense
stimulation, such as after significant blood loss (hemorrhage).
Blood consists of cells suspended in a fluid called ______ - ANSWER plasma
All blood cells are produced from undifferentiated precursors called ____________
cells in the bone marrow - ANSWER pluripotential stem cells
what are erythrocytes? - ANSWER red blood cells (RBCs)
What are leukocytes? - ANSWER white blood cells (WBCs)
What are platelets also known as? and what do they help do? - ANSWER also
known as thrombocytes because they help control bleeding by forming a loose
blood clot.
What are myeloid stem cells converted to: __1__, __2__, __3__ - ANSWER
, erythrocytes, leukocytes, and platelets
Lymphoid stem cells are converted to what? - ANSWER converted to lymphocytes
what are lymphocytes? - ANSWER WBCs with immune functions
What is the function of erythrocytes? (RBCs) - ANSWER Their major function is
to transport O2 to and remove CO2 from the tissues.
what is the function of leukocytes? (WBCs) - ANSWER protect against infection
What is the function of platelets? (thrombocytes) - ANSWER participate in clotting
blood
The function of water in plasma does what? - ANSWER Circulates blood cells and
noncellular components
Contributes to blood pressure
Relocates to other fluid compartments as needed
What does the plasma protein albumin do? (its function) - ANSWER Affects
intravascular osmotic pressure
What does the plasma protein fibrinogen do? - ANSWER Participates in clotting
blood
what does the plasma protein globulin do? - ANSWER Carries other protein
substances, for example, those that are involved in inflammatory and immune
responses
The clotting factors in plasma do what? - ANSWER Convert a loose blood clot to a
stabilized blood clot
what does the nutrient in blood, glucose do? - ANSWER Provides a source of
immediate energy
what does the nutrient in blood, and amino acids do? - ANSWER Provide
components for cell growth and repair
what do lipids in the blood do? - ANSWER Provide a reserve for cellular energy in
the absence of glucose
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