12288737
Descripción
Test por tori szempruch, actualizado hace más de 1 año
|
Creado por tori szempruch
hace casi 7 años
|
|
Pregunta 1
Pregunta
what is known as the "river of life"?
Respuesta
-
plasma
-
blood
-
the ganges
-
lymphocytes
Pregunta 2
Pregunta
which of the following is NOT a function of blood transport?
Respuesta
-
delivering oxygen from lungs and nutrients from digestive tract to body
-
metabolic waste to lungs/kidneys for elimination
-
circulation of nutrients to the brain
-
hormones from endocrine to target cells
Pregunta 3
Pregunta
which of the following is a function of blood regulation?
Respuesta
-
using proteins as buffers
-
maintaining body temp by absorbing/distributing heat
-
reservoir for body’s alkaline reserve of bicarbonate ions
-
maintains fluid volume in circulatory system
Pregunta 4
Pregunta
which of the following is NOT a function of blood protection?
Respuesta
-
prevents blood loss
-
prevents infection
-
platelets/plasma proteins initiate clot formation
-
prevents internal hemorrhage
Pregunta 5
Pregunta
blood is considered a fluid nutrient in the body
Respuesta
- True
- False
Pregunta 6
Pregunta
living components...
Respuesta
-
are blood cells
-
make up the greatest percentage of blood
-
are formed elements
-
settle between 2 other layers
Pregunta 7
Pregunta
which of the following is true about nonliving components, 55% of blood composition?
Respuesta
-
it encompasses all red blood cells
-
it is the densest component of blood
-
it encompasses plasma
Pregunta 8
Pregunta
red blood cells are erythrocytes
Respuesta
- True
- False
Pregunta 9
Pregunta
white blood cells are...
Respuesta
-
leukocytes
-
buffy coat
-
45% of blood composition
-
platelets
Pregunta 10
Pregunta
what is hematocrit?
Respuesta
-
a 4 polypeptide chain
-
percent of blood volume that is red blood cells
-
stimulates formation of red blood cells
-
triggers hemoglobin synthesis
Pregunta 11
Pregunta
what are the physical characteristics of blood?
Respuesta
-
metal taste
-
slightly acidic
-
dark red when oxygen rich
-
higher volumes in women than men
Pregunta 12
Pregunta
blood plasma is 90% plasma proteins
Respuesta
- True
- False
Pregunta 13
Pregunta
8% of ________ are produced by the liver for blood plasma
Respuesta
-
erythrocytes
-
proteins
-
platelets
-
lipids
Pregunta 14
Pregunta
which of the follow is a function of albumin?
Respuesta
-
control plasma osmotic pressure
-
reservoir for bicarbonate ions
-
carrier in circulation
-
both a and c
Pregunta 15
Pregunta
red blood cells, which do NOT have a nucleus, are called...
Respuesta
-
eukaryotes
-
leukocytes
-
monocytes
-
erythrocytes
Pregunta 16
Pregunta
platelets are the only complete blood cells
Respuesta
- True
- False
Pregunta 17
Pregunta
since blood cells cannot divide, they...
Respuesta
-
have dividing stem cells
-
within spongy bone marrow
-
to replace formed elements
-
which occurs during sleep
Pregunta 18
Pregunta
erythrocytes pick up oxygen at the capillaries of the lungs and distribute it to the tissues of the body
Respuesta
- True
- False
Pregunta 19
Pregunta
how much carbon dioxide is carried back to the lungs by erythrocytes?
Respuesta
-
45%
-
55%
-
10%
-
20%
Pregunta 20
Pregunta
in erythrocytes, ATP production is [blank_start]anaerobic[blank_end].
Respuesta
-
anaerobic
Pregunta 21
Pregunta
hemoglobin levels are higher for...
Respuesta
-
men
-
women
Pregunta 22
Pregunta
hemoglobin has red heme pigment bound to...
Respuesta
-
globulin
-
globin
-
iron
-
RBC
Pregunta 23
Pregunta
each heme’s central iron atoms binds one oxygen molecule.
Respuesta
- True
- False
Pregunta 24
Pregunta
each hemoglobin molecule can transport 8 oxygen molecules.
Respuesta
- True
- False
Pregunta 25
Pregunta
a single red blood cell has 250 million hemoglobin molecules, so each RBC can carry [blank_start]1 billion oxygen molecules[blank_end].
Respuesta
-
1 billion oxygen molecules
Pregunta 26
Pregunta
oxygen loading is to ______ as oxygen unloading is to ______.
Respuesta
-
hemoglobular, dehemoglobular
-
deoxyhemoglobin, oxyhemoglobin
-
oxygenation, deoxygenation
-
oxyhemoglobin, deoxyhemoglobin
Pregunta 27
Pregunta
the formation of blood cells is called
Respuesta
-
hematology
-
hematopoeisis
-
hematocrit
-
hooheehaha
Pregunta 28
Pregunta
hematopoesis occurs in the [blank_start]red bone marrow[blank_end], which is in the [blank_start]axial skeleton[blank_end].
Respuesta
-
red bone marrow
-
axial skeleton
Pregunta 29
Pregunta
a blood sinusoid is a
Respuesta
-
vein
-
capillary
-
bronchiole
-
cell
Pregunta 30
Pregunta
which dietary nutrient is NOT required for a RBC production/destruction balance?
Respuesta
-
carbohydrates
-
B vitamins
-
amino acids
-
iron
Pregunta 31
Pregunta
[blank_start]erythropoietin (EPO)[blank_end] is the hormonal control that stimulates the production of RBCs.
Respuesta
-
erythropoietin (EPO)
Pregunta 32
Pregunta
______ release EPO in response to hypoxia.
Respuesta
-
kidneys
-
liver
-
spleen
-
lungs
Pregunta 33
Pregunta
hypoxia is
Respuesta
-
too much hemoglobin in a RBC
-
too few red blood cells
-
oxygen deprivation
-
oxygen surplus
Pregunta 34
Pregunta
which of the following is NOT a cause of hypoxia?
Respuesta
-
reduced availability of oxygen
-
hemorrhage
-
inhibition of red bone marrow use
-
insufficient hemoglobin
Pregunta 35
Pregunta
too many RBCs leads to an increase in [blank_start]blood viscosity[blank_end].
Respuesta
-
blood viscosity
Pregunta 36
Pregunta
progesterone enhances EPO.
Respuesta
- True
- False
Pregunta 37
Pregunta
________ increase with a rise in EPO.
Respuesta
-
leukocytes
-
platelets
-
erythrocytes
-
reticulocytes
Pregunta 38
Pregunta
what happens to athletes that use artificially recombinant EPO?
Respuesta
-
increase hematocrit to 85%
-
concentrates blood with dehydration
-
blood becomes sludge
-
increase health risks with possibility of clotting
-
decrease in iron availability
Pregunta 39
Pregunta
what are the dietary requirements for maintaining healthy RBCs?
Respuesta
-
iron, amino acids, lipids
-
amino acids, lipids, carbohydrates
-
amino acids, carbohydrates, proteins
-
carbohydrates, lipids, proteins
Pregunta 40
Pregunta
where is leftover iron from hemoglobin production stored?
Respuesta
-
bone marrow
-
liver
-
gall bladder
-
spleen
Pregunta 41
Pregunta
free iron ions are toxic, so excess are bound to proteins and stored as [blank_start]ferritin[blank_end] and [blank_start]hemosiderin[blank_end].
Respuesta
-
ferritin
-
hemosiderin
Pregunta 42
Pregunta
men lose more iron through feces/urine/sweat than women.
Respuesta
- True
- False
Pregunta 43
Pregunta
after 100 days when RBCs lose their flexibility and hemoglobin degenerates, they go to die in the
Respuesta
-
kidneys
-
liver
-
red bone marrow
-
spleen
Pregunta 44
Pregunta
monocytes acting as [blank_start]macrophages[blank_end] engulf/breakdown dying RBCs, [blank_start]iron[blank_end] is salvaged (bound to protein and stored), [blank_start]heme[blank_end] split off from globin and degrades (called [blank_start]bilirubin[blank_end]), yellow pigment released to blood/binds to [blank_start]albumin[blank_end] for transport, [blank_start]liver[blank_end] picks up bilirubin and secretes into bile, enters intestines to become [blank_start]urobilinogen[blank_end], transformed to brown pigment called [blank_start]stercobilin[blank_end] (feces)
Respuesta
-
macrophages
-
iron
-
heme
-
bilirubin
-
albumin
-
liver
-
urobilinogen
-
stercobilin
Pregunta 45
Pregunta
what is anemia?
Respuesta
-
low RBC count
-
low hemoglobin production
-
low WBC count
-
low blood-oxygen carrying capacity
Pregunta 46
Pregunta
which specific anemias are from blood loss?
Respuesta
-
hemorrhagic
-
iron deficiency
-
renal
-
pernicious
-
chronic
-
aplastic
Pregunta 47
Pregunta
an example of hemorrhagic anemia is an undiagnosed ulcer.
Respuesta
- True
- False
Pregunta 48
Pregunta
which of the following anemias are from not enough RBCs produced?
Respuesta
-
hemorrhagic
-
iron deficiency
-
renal
-
pernicious
-
aplastic
-
chronic
Pregunta 49
Pregunta
iron deficient anemics produce...
Respuesta
-
macrocytes
-
microcytes
-
leukocytes
Pregunta 50
Pregunta
pernicious anemics cannot divide RBCs and produce macrocytes.
Respuesta
- True
- False
Pregunta 51
Pregunta
the destruction/inhibition of red bone marrow by drugs, chemicals, viruses and radiation is called
Respuesta
-
aplastic anemia
-
pernicious anemia
-
iron deficiency anemia
-
chronic anemia
Pregunta 52
Pregunta
the anemia resulting from the destruction/premature lysis of RBCs is called
Respuesta
-
anemic
-
hemoglobular
-
dyspnea
-
hemolytic
Pregunta 53
Pregunta
[blank_start]albumin[blank_end] is 60% of proteins in blood plasma.
Respuesta
-
albumin
Pregunta 54
Pregunta
in [blank_start]thalassemias[blank_end], the globin chain is absent/faulty and RBCs are thing/lacking Hb.
Respuesta
-
thalassemias
Pregunta 55
Pregunta
abnormal hemoglobin, also called hemoglobin S, is found in...
Respuesta
-
sickle cell anemia
-
thalassemius
-
aplastic anemia
-
hydroxyurea
Pregunta 56
Pregunta
sickle cells can carry less oxygen than normal cells.
Respuesta
- True
- False
Pregunta 57
Pregunta
1 in every 500 African American babies are born with sickle cell anemia.
Respuesta
- True
- False
Pregunta 58
Pregunta
1 copy of sickle hemoglobin has better survival changes than 2 because...
Respuesta
-
cells only sickle under abnormal conditions
-
enhances macrophages to destroy bacteria
-
reduces malaria parasite's ability to survive
Pregunta 59
Pregunta
sickle cell anemia can be treated with [blank_start]fetal hemoglobin (HbF)[blank_end], because it doesn't sickle even in those destine to have the disease.
Respuesta
-
fetal hemoglobin (HbF)
Pregunta 60
Pregunta
________ switches HbF gene back on.
Respuesta
-
hydroxyurea
-
hemoglobin S
-
polycythemia
-
dyspnea
Pregunta 61
Pregunta
a [blank_start]bone marrow stem cell transplant[blank_end] can completely cure sickle cell anemia in children but is high risk.
Respuesta
-
bone marrow stem cell transplant
Pregunta 62
Pregunta
polycythemia is an abnormal excess of WBCs that increases blood viscosity.
Respuesta
- True
- False
Pregunta 63
Pregunta
polycythemia vera is...
Respuesta
-
bone marrow cancer
-
excess internal bleeding
-
increased EPO production
-
less oxygen availability
Pregunta 64
Pregunta
people in high altitudes are more exposed to...
Respuesta
-
secondary polycythemia
-
polycythemia vera
-
diapedesis
-
thalassemias
Pregunta 65
Pregunta
in blood doping, athletes remove RBCs, and body replaces them and athletes replace stored RBCs, and oxygen levels are increased for increased stamina.
Respuesta
- True
- False
Pregunta 66
Pregunta
reticulocytes are the only formed element with a nucleus and organelles.
Respuesta
- True
- False
Pregunta 67
Pregunta
the ability of leukocytes to leave blood capillaries is called...
Respuesta
-
diapedesis
-
polycythemia
-
thalassemias
-
urobilinogen
Pregunta 68
Pregunta
leukocytes travel by [blank_start]amoeboid motion[blank_end] and [blank_start]chemotaxis[blank_end].
Respuesta
-
amoeboid motion
-
chemotaxis
Pregunta 69
Pregunta
granulocytes do not have visible granules and agranulocytes do.
Respuesta
- True
- False
Pregunta 70
Pregunta
the leukocyte acronym: [blank_start]never let monkeys eat bananas[blank_end].
Respuesta
-
never let monkeys eat bananas
Pregunta 71
Pregunta
which of the following are granulocytes?
Respuesta
-
neutrophil
-
lymphocyte
-
monocyte
-
basophil
-
eosinophil
Pregunta 72
Pregunta
which is the most numerous leukocyte?
Respuesta
-
neutrophil
-
lymphocyte
-
monocyte
-
basophil
Pregunta 73
Pregunta
neutrophils contain...
Respuesta
-
hydrolytic enzymes
-
antimicrobial proteins
-
digestive enzymes
-
thrombopoietin
Pregunta 74
Pregunta
neutrophils kill microbes by [blank_start]respiratory burst[blank_end], where potent oxidizing substances are synthesized.
Respuesta
-
respiratory burst
Pregunta 75
Pregunta
defensins in neutrophils are mediated by lysis.
Respuesta
- True
- False
Pregunta 76
Pregunta
eosinophils have "[blank_start]earmuffs[blank_end]".
Respuesta
-
earmuffs
Pregunta 77
Pregunta
eosinophils have digestive enzymes that digest...
Respuesta
-
bacteria
-
parasitic worms
-
defensins
-
oxidized microbes
Pregunta 78
Pregunta
which plays a role in allergies?
Respuesta
-
neutrophil
-
eosinophil
-
monocyte
-
leukocyte
Pregunta 79
Pregunta
eosinophils have a nucleus and cytoplasm, but you can't see them because there are a lot of granules.
Respuesta
- True
- False
Pregunta 80
Pregunta
the granules in basophils are...
Respuesta
-
histamines
-
defensins
-
bacteria
-
lymphocytes
Pregunta 81
Pregunta
which of the following are agranulocytes?
Respuesta
-
monocyte
-
neutrophil
-
basophil
-
eosinophil
-
lymphocyte
Pregunta 82
Pregunta
which is the second most numerous WBC?
Respuesta
-
neutrophil
-
lymphocyte
-
monocyte
-
eosinophil
Pregunta 83
Pregunta
a majority of lymphocytes are found in [blank_start]lymphoid tissue[blank_end].
Respuesta
-
lymphoid tissue
Pregunta 84
Pregunta
_________ act against virus infected/tumor cells.
Respuesta
-
T lymphocytes
-
B lymphocytes
Pregunta 85
Pregunta
_________ give rise to plasma cells to produce antibodies.
Respuesta
-
T lymphocytes
-
B lymphocytes
Pregunta 86
Pregunta
which leukocyte is the largest with a kidney bean nucleus?
Respuesta
-
monocyte
-
neutrophil
-
lymphocyte
-
basophil
Pregunta 87
Pregunta
monocytes actively [blank_start]phagocytize[blank_end].
Respuesta
-
phagocytize
Pregunta 88
Pregunta
[blank_start]leukopoiesis[blank_end] is the production of white blood cells. it is stimulated by chemical messengers from the [blank_start]red bone marrow[blank_end]. they arise from [blank_start]lymphoid[blank_end] or [blank_start]myeloid[blank_end] stem cells.
Respuesta
-
leukopoiesis
-
red bone marrow
-
lymphoid
-
myeloid
Pregunta 89
Pregunta
T lymphocytes mature in the...
Respuesta
-
red bone marrow
-
lymphnodes
-
myeloid cells
-
thymus
Pregunta 90
Pregunta
B lymphocytes mature in the...
Respuesta
-
thymus
-
bone marrow
-
hypothalamus
-
spleen
Pregunta 91
Pregunta
an overproduction of leukocytes is called [blank_start]leukemia[blank_end].
Respuesta
-
leukemia
Pregunta 92
Pregunta
a quicker acting leukemia derived from stem cells is called
Respuesta
-
acute
-
chronic
-
renal
-
pernicious
Pregunta 93
Pregunta
in leukemia...
Respuesta
-
leukocytes remain functional
-
fill blood capillaries
-
flood blood stream
-
crowd out other blood lines
Pregunta 94
Pregunta
"kissing disease" = [blank_start]infection mononucleosis[blank_end]
Respuesta
-
infection mononucleosis
Pregunta 95
Pregunta
mono is an excessive production of monocytes.
Respuesta
- True
- False
Pregunta 96
Pregunta
[blank_start]platelets[blank_end] are cytoplasmic fragments of megakaryocytes.
Respuesta
-
platelets
Pregunta 97
Pregunta
platelets are mobilized by nitric oxide.
Respuesta
- True
- False
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.