Which of the following is/are involved in determining a person’s total blood volume?
Age
Body type
Sex
All of the above
Which mature cell has no nucleus, mitochondria, or ribosomes?
Erythrocyte
Leukocyte
Platelet
Neutrophil
Erythropoiesis is the formation of:
platelets
red blood cells
white blood cells
All blood cells are derived from:
reticulocytes
proerythroblasts
basophilic erythroblasts
hemocytoblasts
Which of the following is an example of a leukocyte?
Monocyte
Thrombocyte
Which of the following Rh factor combinations could cause agglutination (clumping) of an infant’s red blood cells?
Mother negative, Father negative, Infant negative
Mother negative, Father positive, Infant positive
Mother positive, Father negative, Infant positive
Mother positive, Father positive, Infant negative
Which of the following is important for normal clotting?
Calcium ions
Vitamin K
Thromboplastin
All of above
A decrease in red blood cell numbers can result in:
polycythemia
anemia
decrease in oxygen carrying capacity
both anemia and decrease in oxygen carrying capacity
The function of blood is:
to carry food to the cells
to remove waste from the cells
to assist the body in temperature regulation
Which is not an end-product of the breakdown of hemoglobin?
Amino acids
Bilirubin
Free oxygen
Iron
Oxygen deficiency leads to increased RBC numbers by increased secretion of this hormone:
A blood type and crossmatch is performed prior to transfusion. If this procedure is not completed
the blood may agglutinate
blood lysis may occur
a transfusion reaction may occur
all of the above
What part of the hemoglobin molecule combines with carbon dioxide?
Thrombocytes are used for:
Thrombocytes assist in coagulation.
Many types of blood cells are produced in the red bone marrow.
A hematocrit of 40% means that in every 100 ml of whole blood, there are:
40 ml of red blood cells and 60 ml of fluid plasma.
40 ml of plasma and 60 ml of red blood cells
40% of the formed elements are red blood cells
plasma is 45% of the circulating whole blood
Heme is broken down into this pigment, which is excreted in bile:
Reticulocyte is a leukocyte.
Under the microscope, erythrocytes appear as without .
People with type O blood are considered to be universal donors because their RBC carry:
neither A nor B antigens
both A and B antigens
the Rh antigen on their RBCs
none of the above
