Session 7 Blood and Cardiovascular system Flashcards

11-13%

1
Q

erythrocyte

A

primarily for transportation of O2 and CO2

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2
Q

Neutrophil

A

phagocyte
found in pus

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3
Q

eosinophil

A

defence against parasites
do not use phagocytosis
use CYTOKINASE chemical from fighting distant
fight chemically

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4
Q

basophil

A

inflammatory response
secretes a chemical called HEPARIN (anti-coagulant)

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5
Q

monocytes

A

phagocytes

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6
Q

platelets

A

blood clotting

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7
Q

B lymphocyte

A

specific immune responses
form antibodies
mature in Spleen

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8
Q

T lymphocyte

A

specific immune responses
fight directly
mature in Thymus
form effector cells

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9
Q

whole Blood

A

formed elements (45%)
plasma (55%)
buffy coat

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10
Q

take out clotting factors from Plasma

A

serum

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11
Q

plasma

A

transparent layer
alone has 91% water
7% proteins
2 % other solutes
carry medications to the cells

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12
Q

Buffy coat

A

platelets and WBCs

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13
Q

hematopoiesis

A

formation of blood cells
out found in myeloid tissue (red bone marrow)

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14
Q

RBCs

A

unique shape biconcave disc
80-120 lifespan (limited because no nucleus)

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15
Q

Antigen A

A

Antibody B
Type A

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16
Q

Antigen B

A

Antibody A
Type B

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17
Q

Antigen A and B

A

Antibody = none
Type AB

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18
Q

Type O

A

Antibody A and B
Antigen = none

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19
Q

louder heart sounds

A

closure of larger valves (left and right atrieoventricular)

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20
Q

softer heart sounds

A

closure of smaller valves (Pulmonary artery and pulmonary vein)

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21
Q

Flow of blood

A

try before you buy
Superior ven ceva -> Right atrium -> right atria ventricle valve (tricuspid valve) -> right ventricle -> pulmonary valve -> pulmonary artery -> LUNGS -> Pulmonary vein -> left atrium -> left atria ventricle valve (bicuspid/mitral) -> left ventricle -> aortic valve -> aorta

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22
Q

arteries

A

carrying blood away from the heart, High pressure
typically carries oxygenated blood
have thicker walls
high O2
do not have valve blood directly coming from heart

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23
Q

veins

A

carrying blood towards the heart,
typically carries deoxygenated blood
have thinner walls
little/no oxygen
need valves (venous valves) to close so blood does not come back (low pressure blood tries to come back in)

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24
Q

layers of heart

A

visceral/ epicardium surrounding heart itself
parietal pericardium = outer layer of cardiac

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25
conduction system of heart
pacemaker helps coordinating muscle contractions
26
Iron deficiency
do not hold enough O2 due to lack of iron
27
flow of electrical impulses of heart
Starts in atria first then ventricle respectively SA node pacemaker AV node AV bundle/ bundle of His Purkinje fibres
28
sickle-cell anemia
genetically inherited condition easily get stuck in capillaries because of its shape TRAIT = normal lifespan not all will be sickle cell shaped. Full Blown Sickle = high mortality
28
Pernicious anemia
lacking maturing factor lack of b12
29
thrombus
clot stays where it forms fibrin that stays where it was formed
30
embolus
not staying where it forms following the blood stream
31
electrical connectors b/w heart muscle cells (cellular level)
intercalated disks
32
SA node
pacemaker of the heart
33
Aplastic anemia
damaging red bone marrow
34
polycythemia
excess RBCs, high viscosity thick cannot be blood donors
35
hemorrhagic
loose a lot of blood loose blood of O2 carrying capacity
36
T lymphocyte
form effector cells directly attack microbes
37
myeloid tissue called and found in
red bone marrow sternum ribs and hip bone
38
lymphoid tissue
form lymphocytes and monocytes leave myeloid tissues very early to mature and develop in lymphoid tissue
39
hemoglobin is a
protein with a very specific shape bound with oxygen = Oxyhemoglobin (98.2%) bound with CO2 = carbaminohemoglobin (20%)
40
has rh factor
means positive
41
no RH factor
means negative
42
coronary circulation
blood vessels that supplies O2 and nutrients to the heart
42
foramen ovale
natural opening in the heart of a fetus that allows blood to bypass lungs and flow directly from right atrium to left atrium
43
pulmonary circulation
blood going back to the heart circulating in lungs
44
systematic circulation
delivers oxygenated blood from the heart to the body and deoxygenated blood back to the heart
45
diameter
depends on pressure and viscosity high pressure high viscosity less in diameter low pressure low viscosity high in diameter
46
tunica media
smooth muscle layer of the walls of blood vessels
47
promotes prothrombin formation in liver stimulates liver to increase production of prothrombin
vit K
48
systole
when heart muscle contracts
49
diastole
when hurt muscle relaxed
50
blood type with anti-A and anti-B with no antigen and no RH factor
O-
51
WBCs
called leukocytes
52
leukocytosis
increase of normal WBCs fighting infection
53
leukopenia
immune compromised decrease in WBCs
54
inactive cells in bleeding foot figure
prothrombin and fibrinogen prothrombin activate by prothrombin activator and calcium help activate thrombin thrombin activate fibrinogen to produce fibrin
55
chordae tendineae
provides extra support to the larger valves which are right atrioventricular (tricuspid) and left atrioventricular (bicuspid and mitral)
56
pulmonary arteries
opposite O2 saturation from arteries low oxygen going towards lungs (carry oxygen poor blood)
57
pulmonary veins
high oxygen going away from lungs
58
capillary exchange
high pressure plasma volume inside outside Interstitial fluid, lymph (10%) venous end 90% of fluid go back to capillaries
59
in the pumping action of the heart
atrial systole come before ventricular contraction
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