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The cellular components of blood that transport oxygen are:


A) Leukocytes
B) Erythrocytes
C) Platelets
D) Chondrocytes
E) Osteocytes

F) A) and E)
G) A) and D)

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Why would this chamber become enlarged in a person with atherosclerosis?


A) It pumps blood through narrowed arteries to the brain
B) It pumps blood through narrowed arteries throughout the body
C) It pumps blood through narrowed arteries to the lungs
D) It pumps blood through narrowed coronary arteries
E) It pumps blood through narrowed valves into the ventricles

F) B) and C)
G) A) and D)

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A clumping reaction caused by antibodies in the blood plasma is:


A) Clotting
B) Agglutination
C) Constriction
D) Atherosclerosis
E) Inflammation

F) All of the above
G) B) and D)

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The organ of the lymph system in which specialized white blood cells called T cells learn to distinguish body cells from foreign cells is the:


A) Spleen
B) Thymus
C) Tonsil
D) Lymph node
E) Heart

F) C) and D)
G) A) and E)

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The device that is used to measure a person's blood pressure is a sphygmomanometer.

A) True
B) False

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The semilunar valves:


A) Prevent arterial blood from reentering the ventricles
B) Prevent blood from reentering the atria when ventricles contract
C) Prevent the back flow of blood in large veins
D) Are located between the atria and ventricles
E) Prevent blood from entering the arteries

F) C) and E)
G) B) and C)

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The widening of blood vessels is:


A) Vasoconstriction
B) Cardioconstriction
C) Vasodilation
D) Cardiodilation

E) B) and C)
F) None of the above

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figure 29.20 figure 29.20   -Examining figure 29.20,which of the following is the best explanation of the globin gene cluster observed in Neopagetopsis ionah? A) N. ionah is not an ice fish B) Identical mutations occurred in the alpha and beta globin genes four separate times since ice fishes diverged from red-blooded fishes C) N. ionah's ancestors interbred with red-blooded fishes D) The mutations in the alpha and beta globin genes do not explain why ice fish have white blood E) The ancestor to ice fishes and red-blooded fishes did not have alpha and beta globin genes, and these arose in the red-blooded fishes after the two groups diverged -Examining figure 29.20,which of the following is the best explanation of the globin gene cluster observed in Neopagetopsis ionah?


A) N. ionah is not an ice fish
B) Identical mutations occurred in the alpha and beta globin genes four separate times since ice fishes diverged from red-blooded fishes
C) N. ionah's ancestors interbred with red-blooded fishes
D) The mutations in the alpha and beta globin genes do not explain why ice fish have white blood
E) The ancestor to ice fishes and red-blooded fishes did not have alpha and beta globin genes, and these arose in the red-blooded fishes after the two groups diverged

F) A) and E)
G) A) and D)

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