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Circulatory System
Test Description: Revision on contents studied
Instructions: Answer all questions to get your test result.
1) How does the circulatory system avoid blood reflux?
A
by keeping blood in the heart longer
B
by usingthe lynphatic system to add preassure to the blood
C
by placing valves along the veins and in the heart
D
by making blood pass throug the lungs in first place
2) What happens when you don´t include enough iron in your diet?
A
you feel tired and maybe dizzy
B
your blood changes colour
C
you feel excited and nervous
D
you have slow digestions
3) If you have suffered a heart attack you have to avoid..
A
drinking lots of milk, because calcium sticks to your blood vessels
B
drinking lots of water, because it makes your blood more diluted
C
eating fatty food, because many fats may clot your arteries
D
eating too much sweets, because it makes you fat and blood will have to travel longer
4) Why does the heart have a big wall between both sides?
A
to avoid blood circulation around the body before gas exchange is done
B
to make blood flow stronger
C
so blood never goes back
D
because there is special and general circulation
5) The reason why your heart sometimes beats very quickly is...
A
you ate so much fatty food your kidneys need to work at full speed
B
you have to sweat a lot because it is very hot
C
your brain tells your body cells to get ready for an emergency situation
D
you didn´t eat enough and you have a lack of energy
6) Blood vessels which allow exchange with cells are
A
capillaries
B
all vessels
C
veins
D
arteries
7) exchange of gasses is done due to
A
alveoly and capillaries
B
pulmonary veins
C
lung capillaries
D
pulmonary arteries
8) If you bleed after a cut, it will clot thanks to...
A
antibodies
B
platelets
C
white blood cells
D
red blood cells
9) blood collects most of the cell wastes in
A
veins
B
lynphatic vessels
C
arteries
D
capillaries
10) In the laboratory, how do you recognise in the heart which are veins and arteries?
A
introducing the finger to see if they reach atriums or ventricles
B
all the above are true
C
looking for semilunar valves only ateries have
D
comparing their width
*select an answer for all questions
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