GH 125 Unit 5 Exam Questions and
Answers 100% Solved
Homeostasis - ✔✔A tendency to maintain a balanced or constant internal
state; the regulation of any aspect of body chemistry, such as blood
glucose, around a particular level
Hemostasis - ✔✔stoppage of bleeding
Hematology - ✔✔study of blood
Hematopoiesis - ✔✔blood cell formation
How much blood does the average adult have? - ✔✔5 liters
Composition of blood - ✔✔55% plasma and 45% formed elements (RBC,
WBC, and platelets)
Plasma function - ✔✔55% of blood function is a transport fluid
Leukocytes (White Blood Cells) function - ✔✔defense and immunity
Platelets (thrombocytes) function - ✔✔clotting, coagulation
Erythrocytes (Red Blood Cells) function - ✔✔transport oxygen and carbon
dioxide, no nucleus, 80-120 day lifespan
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complete blood count (CBC) - ✔✔broad screening test used to evaluate
(hematocrit, Hct)red blood cells, white blood cells, hemoglobin (Hgb) for
amount of heme iron, and platelets to determine anemias, infections, and
other diseases
function of hemoglobin - ✔✔In red blood cells, carries oxygen from the
lungs to body's tissues and returns carbon dioxide from tissues back to
lungs. It also maintains the shape of red blood cells.
What are the 4 types of blood - ✔✔A, B, AB, O
Antigen of type A blood and antibody of type A blood - ✔✔A antigen,
antibody anti-B
Antigen of type B blood, antibody of type B - ✔✔B antigen, anti-B
Antigen of type AB blood, antibody of type AB blood - ✔✔A and B antigen,
nil antibody
Antigen of Type O blood, antibody of type O blood - ✔✔Antigen nil,
antibody anti-A, and anti-B
What makes blood Rh positive? - ✔✔If your cell has the Rh protein in blood
then you are negative
Should Rh+ blood be given to an Rh- person? - ✔✔No
What blood type is the universal donor? - ✔✔O negative