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BIO202_MH_V3
Topic 1: Cardiovascular System: Blood
Started on Thursday, October 21, 2021, 12:32 AM
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... [Show More] Thursday, October 21, 2021, 12:51 AM
Time taken 18 mins 38 secs
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Question 1
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Fibrinolysis is responsible for
Select one:
a. activation of the intrinsic pathway of coagulation.
b. activation of the extrinsic pathway of coagulation.
c. clot retraction.
d. clot dissolution.
e. clot consolidation.Question 2
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What gas is also carried by a beta-globin that may help regulate blood pressure?
Select one:
a. carbon monoxide
b. carbon dioxide
c. nitrogen
d. nitric oxide
Question 3
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Which of the following is a stage of hemostasis?
Select one:
a. coagulation
b. erythropoiesis
c. platelet formation
d. vascular dilation
e. agglutination
Question 4
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Which of the following would lead to increased erythropoiesis?
Select one:
a. increased environmental O2 levels
b. increased erythropoietin levels
c. increased blood pH
d. increased blood pressure
e. increased CO2 levels
Question 5
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Hemolytic disease of the newborn (HDN) occurs when
Select one:
a. an Rh-positive woman is carrying an Rh-positive fetus.
b. an Rh-positive woman is carrying an Rh-negative fetus.
c. an Rh-negative woman is carrying an Rh-negative fetus.
d. an Rh-negative woman is carrying an Rh-positive fetus.
Question 6
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In hemolytic disease of the newborn,
Select one:
a. antibodies from the mother cross the placenta and affect the fetus.
b. hemolysis of white blood cells may occur.
c. fibrin is hydrolyzed.
d. the mother frequently dies during childbirth.
e. antibodies from the fetus cross the placenta and affect the mother.
Question 7
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Which of the following is mismatched?
Select one:
a. blood typing - determines ABO and Rh blood groups of a blood sample
b. blood crossmatch - donor and recipient blood cells are mixed together
c. complete blood count - includes RBC and WBC counts
d. differential count - determines the percent of each kind of leukocyte in the blood
e. hematocrit - percentage of total blood volume composed of RBCs
Question 8
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The function of plasmin is to
Select one:a. hydrolyze fibrin.
b. activate factor XII.
c. promote platelet plug formation.
d. control osmotic pressure of the blood.
e. promote the formation of plasma.
Question 9
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When a blood vessel is damaged, which of the following events occurs last?
Select one:
a. Collagen is exposed.
b. Platelets adhere to collagen.
c. Platelets are activated.
d. Platelets begin to stick to each other and form a plug.
e. von Willebrand factor is produced.
Question 10
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Which of the following cell types is incorrectly matched with its description?
Select one:
a. neutrophils - most numerous WBCs
b. basophils - release histaminec. lymphocytes - become macrophages
d. monocytes - largest of the WBCs
e. eosinophils - attack worm parasites
Question 11
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Which plasma protein is correctly matched to its function?
Select one:
a. fibrinogen - transport of fatty acids
b. albumin - helps to fight infection
c. globulin - transport and immunity
d. globulin - blood clotting
Question 12
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The ability of white blood cells to leave the circulation and enter tissues is called
Select one:
a. chemotaxis.
b. diapedesis.
c. margination.
d. intrusion.
e. exocytosis.Question 13
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Red blood cells have antigenic markers on their surfaces called:
Select one:
a. agglutinins
b. antibodies
c. haptens
d. agglutinogens
Question 14
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What type of gene expression occurs when a person has type AB blood?
Select one:
a. homozygous dominant
b. homozygous recessive
c. incomplete dominance
d. codominance
Question 15
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The total blood volume is ____ plasma.
Select one:
a. 50%
b. 90%
c. 75%
d. 55%
Question 16
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Mike has blood type A. He needs blood, however blood type A is not available. The next
best choice would be blood type _______.
Select one:
a. AB
b. B
c. O
Question 17
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Question textA person with type O blood should receive a blood transfusion from a donor with
Select one:
a. type A blood.
b. type B blood.
c. type O blood.
d. type AB blood.
e. any type of blood.
Question 18
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Red blood cells will develop from
Select one:
a. proerythroblasts.
b. monoblasts.
c. myeloblasts.
d. megakaryoblasts.
e. lymphoblasts.
Question 19
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Choose the arrangement that lists the chemicals in the order in which they would be used
for coagulation.
(1) thrombin(2) fibrinogen
(3) prothrombinase
(4) activated factor XII
Select one:
a. 3, 2, 4, 1
b. 4, 3, 2, 1
c. 4, 3, 1, 2
d. 3, 4, 1, 2
e. 3, 1, 4, 2
Question 20
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A person with type B blood
Select one:
a. has antigen A.
b. has anti-A antibodies .
c. will have a transfusion reaction if given type B blood.
d. has anti-B antibodies.
e. can receive type A blood. [Show Less]