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Biophysics > Lecture 2 > Flashcards

Lecture 2 Flashcards

1
Q

what is the role of transferrin

A

it carries iron through the blood stream

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2
Q

hecto

A

hundred

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3
Q

kilo

A

thousand

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4
Q

mega

A

million

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5
Q

giga

A

billion

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6
Q

deci

A

tenth

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7
Q

centi

A

hundreth

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8
Q

milli

A

thousandth

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9
Q

micro

A

millionth

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10
Q

nano

A

billionth

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11
Q

pico

A

trillionth

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12
Q

what are cardiomyocytes

A

heart muscle tissue

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13
Q

what is cardiac Troponin

A

a protein involved in contraction of cardiac muscles

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14
Q

1cm^3 = 1ml= 1g for what

A

water

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15
Q

the volume of the left ventricle is what

A

100ml

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16
Q

what is blood glucose measured in

A

mg/dL

17
Q

What does the left ventricle do

A

recieves oxygen rich blood from the lungs and sends it out to the body

18
Q

what are the 2 phases the describe the pumping of the heart

A

diastole and systole

19
Q

expansion of the heart is known as

A

diastole

20
Q

contraction of the heart is known as

A

systole

21
Q

what happens during systolic heart failure

A

it occurs when the heart is weak and enlarged , and the muscle of the left ventricle loses its ability to contract or shorten

22
Q

what happens during diastolic heart failure

A

there is impaired cardiac relaxation

23
Q

what do islets of langerhans do

A

they are insulin producing cells

24
Q

where are islets of langerham found

A

in the pancreas

25
Q

as a rat gets fatter do the lslets get bigger or smaller

A

bigger and they produce more insulin

26
Q

what happens when blood travels through the glomeruli

A

it becomes filtered of waste

27
Q

where are glomeruli found

A

in the kidneys

28
Q

how thick is epidermis

A

50-150 microns

29
Q

what are the names of the 3 cells where sun induced cancer can occur

A

basal cell
squamous cell
melanocytes

30
Q

what kind of cell is melanin found in

A

basal cells

31
Q

what kind of cell produces melanin

A

melanocytes

32
Q

what does melanin protect us against

A

damage from solar radiation

Biophysics (5 decks)

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