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