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body fluids and circulation Flashcards

(61 cards)

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1
Q

plasma constitutes ____ of blood

A

55%

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2
Q

plasma contains ____ of water and ____ of proteins

A

90-92% water and 6-8% proteins

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3
Q

globulins help in ____ and albumins in _____ and fibrinogens in ____

A

defense; osmoregulation; clotting

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4
Q

plasma without clotting factors ___

A

serum

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5
Q

number of RBC is

A

5.5 - 5.6 million per mm3

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6
Q

lifespan of rbc is

A

120 days

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7
Q

number of wbc is

A

6000-8000 per mm3

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8
Q

granulocytes are ___

A

neutrophils, basophils, eosinophils

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9
Q

agranulocytes are ___

A

monocytes and lymphocytes

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10
Q

% of neutrophils

A

60-68%

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11
Q

% of eosinophils

A

2-3%

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12
Q

% of basophils

A

0.5-1%

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13
Q

% of monocytes

A

6-8%

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14
Q

% of lymphocytes

A

20-25%

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15
Q

nucleus of monocytes is

A

cup shaped

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16
Q

nucleus of basophils

A

s shaped

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17
Q

nucleus of neutrophils

A

multilobed

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18
Q

nucleus of eosinophils

A

headphone and bilobed

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19
Q

number of thrombocytes is

A

1.5-3.5 million per mm3

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20
Q

blood group with no antigens on rbc

A

O

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21
Q

Blood group with no antibodies in plasma

A

AB

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22
Q

universal donor is

A

O-

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23
Q

universal acceptor is

A

AB+

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24
Q

erthyroblastosis foetalis occurs when

A

mother is Rh - and child is Rh +

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25
erthyroblastosis foetalis can be prevented by administering ____
anti Rh antibodies to mother after first pregnancy
26
prothrombin to thrombin is catalysed by
thrombokinase
27
thrombin is synthesised in the
liver
28
clot includes
fibrins + damaged blood cells
29
fibrinogen activated by ____ with the help of ____
thrombin; Ca2+
30
lymph does not contain
large proteins and blood cells
31
middleman of circulatory system is
lymph
32
fats are absorbed through ____
lacteals in intestinal villi
33
lymph collects fluid which leaks from ____ and drains it into ____
capillaries; major veins
34
inter-atrial septum is
thin muscular
35
inter-ventricular septum is
thick muscular
36
atrio-ventricular septum is
thick and fibrous
37
tricuspid is between
right atria and ventricle
38
bicuspid/mitral between
left atria and ventricle
39
sino atrial node is located on the....
right upper corner of the right atria
40
minute fibres arising from AVN is known as
purkinje fibres
41
number of action potentials generated by SAN
70-75 beats per min
42
during atrial diastole ___% of blood is moved into ventricles _____
70%; passively
43
during atrial systole __% of blood moves into ventricles ____
30%; actively
44
valves are connected to the muscles by
chordae tendineae
45
heart rate =
72 bpm
46
stroke volume =
70 ml per systole
47
cardiac output =
stroke volume x heart rate (5L)
48
first heart sound is ___ and it indicates ___
lub; closure of bicuspid and tricuspid during ventricular systole
49
second heart sound is ___ and it indicates ___
dub; closure of semilunar during atrial dystole
50
the instrument used to measure heart activity is
electrocardiograph
51
during ecg, a patient is connected to three electrical leads in ___
both wrists and left ankle
52
p wave represents
depolarisation of atria (systole)
53
qrs complex represents
depolarisation of ventricle (systole)
54
t wave representss
repolarisation of ventricle (diastole)
55
heart rate in an electrocardiogram is given by
number of QRS complexes
56
tunica media consists of ___
smooth muscles and elastic fibres
57
atherosclerosis is
high blood pressure in coronary artery due to deposition of fats, calcium, cholestrol
58
heart attack is
sudden damage to heart wall due to insufficient blood supply
59
heart failure is
inability of heart to pump blood effectively
60
main symptom of heart failure is
congestion of lungs
61
angina pectoris is
acute chest pain due to insufficient oxygen to heart muscle

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