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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 placing valves along the veins and in the heart
B
by usingthe lynphatic system to add preassure to the blood
C
by keeping blood in the heart longer
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 excited and nervous
B
your blood changes colour
C
you have slow digestions
D
you feel tired and maybe dizzy
3) If you have suffered a heart attack you have to avoid..
A
eating too much sweets, because it makes you fat and blood will have to travel longer
B
drinking lots of milk, because calcium sticks to your blood vessels
C
drinking lots of water, because it makes your blood more diluted
D
eating fatty food, because many fats may clot your arteries
4) Why does the heart have a big wall between both sides?
A
to make blood flow stronger
B
because there is special and general circulation
C
so blood never goes back
D
to avoid blood circulation around the body before gas exchange is done
5) The reason why your heart sometimes beats very quickly is...
A
your brain tells your body cells to get ready for an emergency situation
B
you didn´t eat enough and you have a lack of energy
C
you have to sweat a lot because it is very hot
D
you ate so much fatty food your kidneys need to work at full speed
6) Blood vessels which allow exchange with cells are
A
arteries
B
all vessels
C
veins
D
capillaries
7) exchange of gasses is done due to
A
pulmonary veins
B
lung capillaries
C
alveoly and capillaries
D
pulmonary arteries
8) If you bleed after a cut, it will clot thanks to...
A
platelets
B
red blood cells
C
antibodies
D
white blood cells
9) blood collects most of the cell wastes in
A
capillaries
B
lynphatic vessels
C
veins
D
arteries
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
comparing their width
C
looking for semilunar valves only ateries have
D
all the above are true
*select an answer for all questions
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