Study Guide: Blood

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Study Guide: Blood
Alexandra Bozan
Test por Alexandra Bozan, actualizado hace más de 1 año
Alexandra Bozan
Creado por Alexandra Bozan hace alrededor de 8 años
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Resumen del Recurso

Pregunta 1

Pregunta
The composition of blood is
Respuesta
  • 55% plasma, 45% formed elements
  • 45% plasma, 55% formed elements
  • 50% plasma, 50% formed elements
  • none of the above

Pregunta 2

Pregunta
Reduced red blood cell numbers cause
Respuesta
  • polycythemia
  • buffy coat
  • anemia
  • both polycythemia and anemia

Pregunta 3

Pregunta
Which of the following formed elements carry oxygen?
Respuesta
  • leukocytes
  • erythrocytes
  • thrombocytes
  • monocytes

Pregunta 4

Pregunta
Hematocrit and packed cell volume are synonymous terms
Respuesta
  • True
  • False

Pregunta 5

Pregunta
A reticulocyte count can indicate to a physician the rate of leukocyte formation
Respuesta
  • True
  • False

Pregunta 6

Pregunta
Oxygen deficiency increases RBCs numbers by increasing the secretion of erythropoietin by the kidneys
Respuesta
  • True
  • False

Pregunta 7

Pregunta
The life span of circulating RBCs is about 10 - 12 days
Respuesta
  • True
  • False

Pregunta 8

Pregunta
Heme is broken down into iron and amino acids for use in the synthesis of new RBCs
Respuesta
  • True
  • False

Pregunta 9

Pregunta
Plasma is a pale yellow fluid that accounts for more than half of the blood volume
Respuesta
  • True
  • False

Pregunta 10

Pregunta
Serum is whole blood minus the clotting elements
Respuesta
  • True
  • False

Pregunta 11

Pregunta
Synthesis of plasma proteins occurs in the spleen
Respuesta
  • True
  • False

Pregunta 12

Pregunta
The mature erythrocyte does not contain ribosomes, mitochondrias, and other organelles typical of most body cells
Respuesta
  • True
  • False

Pregunta 13

Pregunta
The final step in RBC formation is called erythropoiesis
Respuesta
  • True
  • False

Pregunta 14

Pregunta
A person with antibody A in his or her plasma would have which blood type
Respuesta
  • type A
  • type B
  • type AB
  • type O

Pregunta 15

Pregunta
Type AB blood is considered to be the universal recipient.
Respuesta
  • True
  • False

Pregunta 16

Pregunta
Blood does not normally contain the anti-Rh [blank_start]antibodies[blank_end] but they may appear in the blood of an Rh-negative mother during certain circumstances.
Respuesta
  • antibodies

Pregunta 17

Pregunta
Which of the following is not a critical component of coagulation?
Respuesta
  • thrombin
  • fibrinolysis
  • fibrinogen
  • fibrin

Pregunta 18

Pregunta
For prothrombin to be synthesized by the liver, an adequate amount of which vitamin is required?
Respuesta
  • Vitamin A
  • Vitamin C
  • Vitamin D
  • Vitamin K

Pregunta 19

Pregunta
Which of the following does not hasten clotting?
Respuesta
  • rough spot in the endothelium
  • abnormally slow blood flow
  • theparin
  • all of the above hasten clotting

Pregunta 20

Pregunta
Which of the following statements does not describe a characteristic of leukocytes?
Respuesta
  • they are disc-shaped cells that do not contain a nucleus
  • they have the ability to fight infection
  • they provide defense against certain parasites
  • they provide immune defense

Pregunta 21

Pregunta
Which of the following substances is not found in serum?
Respuesta
  • clotting factors
  • water
  • hormones
  • all of the above are found in serum

Pregunta 22

Pregunta
Which of the following substances is not found in blood plasma?
Respuesta
  • water
  • oxygen
  • hormones
  • all of the above are found in blood plasma

Pregunta 23

Pregunta
An allergic reaction may increase the number of
Respuesta
  • eosinophils
  • neutrophils
  • lymphocytes
  • monocytes

Pregunta 24

Pregunta
What is a blood clot that is moving through the body called?
Respuesta
  • embolism
  • fibrosis
  • heparin
  • thrombosis

Pregunta 25

Pregunta
What is the primary function of hemoglobin?
Respuesta
  • fight infection
  • produce blood clots
  • carry oxygen
  • transport hormones

Pregunta 26

Pregunta
Are any of the following steps not involved in blood clot formation?
Respuesta
  • A blood vessel is injured and platelet factors are formed
  • Thrombin is converted into prothrombin
  • Fibrinogen is converted into fibrin
  • All of the above are involved in blood clot formulation

Pregunta 27

Pregunta
Classification of leukocytes that contain cytoplasmic granules: [blank_start]granulocytes[blank_end] Most numerous leukocytes: [blank_start]neutrocytes[blank_end] Granulocytes that release heparin and histamine: [blank_start]basophils[blank_end] Granulocytes that protect against infections from parasitic worms and allergic reactions: [blank_start]eosinophils[blank_end] Agranulocytes that produce antibodies: [blank_start]lymphocytes[blank_end] Agranulocytes that can enter tissue spaces as macrophages: [blank_start]monocytes[blank_end] Cell fragments that function in blood clotting and hemostasis: [blank_start]platelets[blank_end] Cells from which platelets are formed: [blank_start]megakaryocytes[blank_end] Classification of leukocytes without cytoplasmic granules: [blank_start]agranulocytes[blank_end] Classification of formed elements that are nucleated cells lacking hemoglobin: [blank_start]leukocytes[blank_end]
Respuesta
  • granulocytes
  • neutrocytes
  • basophils
  • eosinophils
  • lymphocytes
  • monocytes
  • platelets
  • megakaryocytes
  • agranulocytes
  • leukocytes
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