Pregunta 1
Pregunta
Which of the following is/are involved in determining a person’s total blood volume?
Respuesta
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Age
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Body type
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Sex
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All of the above
Pregunta 2
Pregunta
Which mature cell has no nucleus, mitochondria, or ribosomes?
Respuesta
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Erythrocyte
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Leukocyte
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Platelet
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Neutrophil
Pregunta 3
Pregunta
Erythropoiesis is the formation of:
Respuesta
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platelets
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red blood cells
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white blood cells
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All of the above
Pregunta 4
Pregunta
All blood cells are derived from:
Respuesta
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reticulocytes
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proerythroblasts
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basophilic erythroblasts
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hemocytoblasts
Pregunta 5
Pregunta
Which of the following is an example of a leukocyte?
Respuesta
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Monocyte
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Thrombocyte
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Platelet
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Erythrocyte
Pregunta 6
Pregunta
Which of the following Rh factor combinations could cause agglutination (clumping) of an infant’s red blood cells?
Respuesta
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Mother negative, Father negative, Infant negative
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Mother negative, Father positive, Infant positive
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Mother positive, Father negative, Infant positive
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Mother positive, Father positive, Infant negative
Pregunta 7
Pregunta
Which of the following is important for normal clotting?
Respuesta
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Calcium ions
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Vitamin K
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Thromboplastin
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All of above
Pregunta 8
Pregunta
A decrease in red blood cell numbers can result in:
Pregunta 9
Pregunta
The function of blood is:
Respuesta
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to carry food to the cells
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to remove waste from the cells
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to assist the body in temperature regulation
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All of the above
Pregunta 10
Pregunta
Which is not an end-product of the breakdown of hemoglobin?
Respuesta
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Amino acids
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Bilirubin
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Free oxygen
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Iron
Pregunta 11
Pregunta
Oxygen deficiency leads to increased RBC numbers by increased secretion of this hormone: [blank_start]erythropoietin[blank_end]
Pregunta 12
Pregunta
A blood type and crossmatch is performed prior to transfusion. If this procedure is not completed
Pregunta 13
Pregunta
What part of the hemoglobin molecule combines with carbon dioxide? [blank_start]Globin[blank_end]
Pregunta 14
Pregunta
Thrombocytes are used for: [blank_start]blood clotting[blank_end]
Pregunta 15
Pregunta
Thrombocytes assist in coagulation.
Pregunta 16
Pregunta
Many types of blood cells are produced in the red bone marrow.
Pregunta 17
Pregunta
A hematocrit of 40% means that in every 100 ml of whole blood, there are:
Respuesta
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40 ml of red blood cells and 60 ml of fluid plasma.
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40 ml of plasma and 60 ml of red blood cells
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40% of the formed elements are red blood cells
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plasma is 45% of the circulating whole blood
Pregunta 18
Pregunta
Heme is broken down into this pigment, which is excreted in bile: [blank_start]bilirubin[blank_end]
Pregunta 19
Pregunta
Reticulocyte is a leukocyte.
Pregunta 20
Pregunta
Under the microscope, erythrocytes appear as [blank_start]biconcave disks[blank_end] without [blank_start]nuclei[blank_end].
Pregunta 21
Pregunta
People with type O blood are considered to be universal donors because their RBC carry: