Chapter 10: Blood.

( )1- The process by which white blood cells move into and out of the blood vessels is called?

a- passive transport.

b- Endocytosis.

c- Phagocytosis.

d- Diapedesis.

( ) 2-A decrease in the oxygen-carrying ability of the blood?

a- is caused from carbon dioxide.

b- leads to thrombocytosis.

c- can lead to an immediate death.

d- is called, in any form, anemia.

( ) 3-The doctor pricks your finger, takes some blood and does a WBC count. The count indicates 12,500 cells/cubed millimeter. This is known as leukocytosis. What could you conclude?

a- A low WBC count, caused by certain drugs and anti-cancer agents.

b- You've received a blood transfusion, and are having a transfusion reaction.

c- You are perfectly healthy and no infections in the blood.

d- A high WBC count, indicating a bacterial or viral infection.

( ) 4-While blood typing, the sample is mixed with anti-A serum and anti-B serum. There is no agglutination. You could conclude?

a- The sample is type O.

b- The sample is type AB.

c- The sample is type B.

d- The sample is type A.

( ) 5- Type O blood is known as

a- The least common blood type among US white population.

b- The universal donor.

c- The universal recipient.

( ) 6- The major function of the water in plasma is?

a- for osmotic balance, pH buffering and clotting of blood.

b- for transport of oxygen and help transport carbon dioxide.

c- a solvent for carrying other substances.

d- for regulation of membrane permeability.

( ) 7-Formed elements of the blood?

a- produce contents of plasma.

b- are megakaryocytes.

c- carry salts and buffer the pH of blood.

d- Include erythrocytes, leukocytes and platelets.

( ) 8-The normal pH of blood?

a - 6,-6, 6, 4.

b- is generally slightly acidic.

c- 8,-1, 8, 0.

d- Is about 7.4.

( ) 9-An inadequate hemoglobin content in RBC?

a- can lead to pernicious anemia.

b- Is called hemorrhagic anemia.

c- can be a result of heavy menstrual flow or bleeding ulcer, and called iron-deficiency anemia.

d- causes sickle-cell anemia.

( ) 10-When a huge number of immature WBCs are produced in the bone marrow, it can cause the body to become easy prey for bacteria and viruses. This is called?

a- leucopenia.

b- anemia.

c- leucopenia.

d- leukemia.

e- leukocytosis.

( ) 11-Erythropoietin controls?

a- production of bone marrow.

b- how much oxygen the RBCs can carry.

c- The kidney by monitoring the amount of oxygen in the blood.

d- The rate of erythrocyte production.

( ) 12-Characteristics of RBC include?

a- Multinucleate when immature, live about 100 days, carry oxygen.

b- Are generated in reticulocyte, take 8 days to form, live 100-120 days.

c- arise from a type of stem cell called hemocytoblast, multinucleate and about 100RBC: 1 WBC.

d- anucleate when mature, contain hemoglobin, live 100-120 days.

( ) 13-The rapid sequence of vascular spasms, platelet plug formation and coagulation is known as?

a- hemostasis.

b- erythropoiesis.

c- hematopoiesis.

d- hemophilia.

( ) 14-A cerebral embolus can be caused from?

a- a clot that breaks away, and attempts to flow through a vessel in the brain that is too narrow.

b- a freely flowing clot moving throughout the heart.

c- a stroke.

d- a clot remaining in an unbroken blood vessel.

( ) 15-A transfusion reaction is rarely fatal, but can cause /have these characteristics?

a- fever, chills and nausea.

b- agglutination, causing blockage of small vessels.

c- all of the above.

d- lysing of RBC, releasing hemoglobin into the blood.

( ) 16-During hemostasis, hairlike molecules of protein form, this protein is?

a- thromboplastin.

b- fibrin.

c- serotonin.

d- Elastin.

( ) 17-A hereditary bleeding disorder, commonly called the "bleeders disease''?

a- hemophilia.

b- hemocytosis.

c- thrombocytopenia.

d- hematocrit.

( ) 18-A measure of the percent of RBC in whole blood?

a- hemocytometer.

b- Often called the buffy coat.

c- hematocrit.

d- 55%.

( ) 19-A normal salt content in the blood is normal, what is the function of the salts?

a- to help fight foreign invaders.

b- Osmotic balance, pH buffering and regulation of membrane permeability.

c- blood clotting.

d- solutes carry other substances to the capillaries.

( ) 20-The most numerous white blood cell, which are active phagocytes and increase rapidly during acute infections?

a- monocyte.

b- basophil

c- eosinophil

d- neutrophil

e- lymphocyte.

( ) 21-Blood does each of the following except?

a- transport nutrients.

b- increase fluid loss.

c- regulate body temperature.

d- regulate pH.

( ) 22-Each of the following occurs when blood clots after a cut except?

a- thrombin converts fibrin into fibrinogen.

b- thromboplastin converts prothrombin into thrombin.

c- platelets release clotting factor.

d- fibrin filaments trap cells to produce a clot.

( ) 23-Approximately 55 percent of blood is?

a- lymph.

b- plasma.

c- red blood cells.

d- white blood cells.

( ) 24-The fluid that leaks into the tissues from the blood is?

a- useless.

b- plasma.

c- harmfull

d- lymph.

( ) 25-Each of the following is true of red blood cells except that they?

a- contain hemoglobin.

b- live about 30 days.

c- are anucleate.

d- are formed in the red marrow.

( ) 26-Unlike red blood cells, white blood cells?

a- have a nucleus.

b- contain hemoglobin.

c- are biconcave.

d- live for one week.

( ) 27- The term that is unrelated to the others is?

a- phagocytosis.

b- blood clotting.

c- leukocytes.

d- antibodies.

( ) 28- A protein in the plasma which contributes to the osmotic pressure of blood?

a- elastin.

b- prothrombin.

c- Albumin.

d- Thrombin.

( ) 29- In a normal hematocrit, the buffy coat accounts for?

a- all of the white blood cells and plasma.

b- approximately 10 percent of whole blood.

c- The top portion of the centrifuged blood.

d- approximately 1 percent of blood volume.

( ) 30- Although it carries much oxygen, it is more attracted to pesticides and carbon monoxide?

a- white blood cells.

b- plasma.

c- Thrombin.

d- Hemoglobin.

( ) 31- Neutrophils, eosinophils and basophils are alike in that they?

a- are granulocytes.

b- are the only phagocytic leukocytes.

c- lack a defined nucleus.

d- release histamine.

( ) 32- The largest of all WBCs is the?

a- Neutrophil

b- Eosinophil

c- Monocyte.

d- Lymphocyte.

e- Basophil

( ) 33- The WBC which increases during allergic reactions and parasitic worm infections?

a- Lymphocytes.

b- Basophils.

c- Neutrophils.

d- Eosinophils.

e- Monocytes.

( ) 34- Fragments of megakaryocytes which rupture into pieces and responsible for clotting?

a- RBC.

b- antibodies.

c- platelets.

d- WBC.

( ) 35- When oxygen levels are low, the ______is stimulated to release------?

a- bone, oxygen.

b- kidney, erythropoietin.

c- bone, erythropoietin.

d- Liver, calcitonin.

( ) 36- Hematopoiesis primarily occurs in?

a- liver.

b- Flat bones & epiphyses of long bones.

c- kidneys.

d- Irregular bones.

( ) 37- A woman with blood type O has a baby with type O. The father?

a- Could be A, B or O; but in no way AB.

b- Could possibly be AB.

c- Must be type O.

d- Is Rh.

( ) 38- The WBC which has a very thin rim of cytoplasm, thus having a large spherical nucleus is?

a- Basophil

b- Eosinophil

c- Neutrophil

d- Monocyte.

e- Lymphocyte.

( ) 39- Active macrophages that work in long-term cleanup of tissues?

a- Neutrophil

b- Eosinophil

c- Lymphocyte.

d- Basophil

e- Monocyte.

( ) 40- The WBC which releases histamine at sites of inflammation?

a- Lymphocyte.

b- Eosinophil

c- Basophil

d- Monocyte.

e- Neutrophil

20 / 19 / 18 / 17 / 16 / 15 / 14 / 13 / 12 / 11 / 10 / 9 / 8 / 7 / 6 / 5 / 4 / 3 / 2 / 1 / A
B
40 / 39 / 38 / 37 / 36 / 35 / 34 / 33 / 32 / 31 / 30 / 29 / 28 / 27 / 26 / 25 / 24 / 23 / 22 / 21 / A
B

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