Final Exam: Ch 18

Question 1

which of the following is not considered in the buffy coat

Answer 1

erythrocytes

Question 2

a normal hematocrit is ______ of the total blood volume

Answer 2

37% to 52%

Question 3

which of the following is not normally found in plasma

Answer 3

glycogen

Question 4

what is the most abundant protein in plasma

Answer 4

albumin

Question 5

which of the following would not decrease the blood colloid osmotic pressure (COP)

Answer 5

a diet predominantly based on red meat

Question 6

serum is essentially identical to plasma except for the absence of

Answer 6

fibrinogen

Question 7

tissues can become edematous (swollen) when which of the following occurs

Answer 7

there is a dietary protein deficiency

Question 8

where does myeloid hemopoiesis take place in adults

Answer 8

red bone marrow

Question 9

the viscosity of blood is due more to the presence of ____ than to any other factor

Answer 9

erythrocytes

Question 10

erythrocytres transport oxygen and

Answer 10

transport some carbon dioxide

Question 11

most oxygen is transported in the blood bound to

Answer 11

heme group in hemoglobin

Question 12

what would happen if all of the hemoglobin contained within the RBC’s became free in the plasma

Answer 12

it would significantly increase blood osmolarity

Question 13

an increased erythropoietin (EPO) output by the kidneys would lead to all of the following except

Answer 13

increased hyopxemia

Question 14

where do most RBC’s die

Answer 14

spleen and liver

Question 15

which of the following would not lead to polycythemia

Answer 15

iron deficiency

Question 16

which of the following is most likely to cause anemia

Answer 16

renal disease

Question 17

which of the following is not true of a patient with anemia

Answer 17

their blood viscosity is increased

Question 18

what is the final product of the breakdown of the organic nonprotein moiety of hemoglobin

Answer 18

billirubin

Question 19

correction of hypoxemia is regulated by

Answer 19

a negative feedback loop

Question 20

a deficiency of _____ can cause pernicious anemia

Answer 20

vitamin B12

Question 21

which of the following is not true regarding sickle-cell disease

Answer 21

it is a cause of malaria

Question 22

a person with type A blood can safely donate RBC’s to someone of type ____ and can received RBC’s from someone of type _____

Answer 22

AB; O

Question 23

a person with type AB blood has _____ RBC antigen(s)

Answer 23

A and B

Question 24

why are pregnant RH- females given an injection of Rh immune globin

Answer 24

antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-D antibodies

Question 25

the univeral donor of RBC’s but not necessarily plasma is blood type

Answer 25

O, RH-negative

Question 26

an individual has type B, Rh-positive blood. the individual has ____ antigen(s) and can produce anti- ____ antibodies

Answer 26

B and D
A

Question 27

A female’s first pregnancy is normal but her second pregnancy results in hemolytic disease of the newborn (HDN). The second child needed a transfusion to completely replace the agglutinating blood. The mother is most likely type ___ and both children are most likely ______

Answer 27

Rh-negative
B, Rh-positive

Question 28

what are the least abundant of the formed elements

Answer 28

basophils

Question 29

what are the most abundant agrunlucytes

Answer 29

lymphocytes

Question 30

the number of _____ typically increases in response to bacterial infections

Answer 30

neutrophils

Question 31

leukopoiesis begins with the differentiation of

Answer 31

hematopoietic stem cells

Question 32

some lymphocytes can survive as long as

Answer 32

decades

Question 33

a patient is diagnosed with leukocytosis
if they have more than ____ WBC’s

Answer 33

10,000

Question 34

what is the largest leukocyte that contains small cytoplasmic granules and typically a kidney or horseshoe-shaped nucleus

Answer 34

monocyte

Question 35

the cessation of bleeding is specifically called

Answer 35

hemostasis

Question 36

which of these does not prevent the spontaneous formation of a clot

Answer 36

the presence of tissue thromboplastin

Question 37

platelets release _____ a chemical vasoconstrictor that contributes to the vascular spasm

Answer 37

serotonin

Question 38

most strokes and heart attacks are caused by abnormal clotting of blood in an unbroken vessel. Moreover, a piece of the ____ (clot) may break loose and begin to travel in the bloodstream as a(n) _______

Answer 38

thrombus
embolus

Question 39

during coagulation which of the following is found in the extrinsic mechanism only

Answer 39

thromboplastin

Question 40

where are most clotting factors synthesized in the body

Answer 40

liver