6966662
Descripción
Test por Alexandra Bozan, actualizado hace más de 1 año
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Creado por Alexandra Bozan
hace alrededor de 8 años
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Pregunta 1
Pregunta
Which of the following is/are involved in determining a person’s total blood volume?
Respuesta
-
Age
-
Body type
-
Sex
-
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
-
platelets
-
red blood cells
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white blood cells
-
All of the above
Pregunta 4
Pregunta
All blood cells are derived from:
Respuesta
-
reticulocytes
-
proerythroblasts
-
basophilic erythroblasts
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hemocytoblasts
Pregunta 5
Pregunta
Which of the following is an example of a leukocyte?
Respuesta
-
Monocyte
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Thrombocyte
-
Platelet
-
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
-
All of above
Pregunta 8
Pregunta
A decrease in red blood cell numbers can result in:
Respuesta
-
polycythemia
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anemia
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decrease in oxygen carrying capacity
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both anemia and decrease in oxygen carrying capacity
Pregunta 9
Pregunta
The function of blood is:
Respuesta
-
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]
Respuesta
-
erythropoietin
Pregunta 12
Pregunta
A blood type and crossmatch is performed prior to transfusion. If this procedure is not completed
Respuesta
-
the blood may agglutinate
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blood lysis may occur
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a transfusion reaction may occur
-
all of the above
Pregunta 13
Pregunta
What part of the hemoglobin molecule combines with carbon dioxide? [blank_start]Globin[blank_end]
Respuesta
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Globin
Pregunta 14
Pregunta
Thrombocytes are used for: [blank_start]blood clotting[blank_end]
Respuesta
-
blood clotting
Pregunta 15
Pregunta
Thrombocytes assist in coagulation.
Respuesta
- True
- False
Pregunta 16
Pregunta
Many types of blood cells are produced in the red bone marrow.
Respuesta
- True
- False
Pregunta 17
Pregunta
A hematocrit of 40% means that in every 100 ml of whole blood, there are:
Respuesta
-
40 ml of red blood cells and 60 ml of fluid plasma.
-
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]
Respuesta
-
bilirubin
Pregunta 19
Pregunta
Reticulocyte is a leukocyte.
Respuesta
- True
- False
Pregunta 20
Pregunta
Under the microscope, erythrocytes appear as [blank_start]biconcave disks[blank_end] without [blank_start]nuclei[blank_end].
Respuesta
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biconcave disks
-
nuclei
Pregunta 21
Pregunta
People with type O blood are considered to be universal donors because their RBC carry:
Respuesta
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neither A nor B antigens
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both A and B antigens
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the Rh antigen on their RBCs
-
none of the above
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