Why an injection is administered in a vein and not an artery- nbsp-Veins have valves and prevent backflow-Arteries have high pressure and puncture will lead to lot of blood loss-Veins carry oxygen-rich blood from all parts of the body to the heart nbsp-Arteries carry carbon dioxide-rich blood to all parts of the body from the heart-

The correct options are B Arteries have high pressure and puncture will lead to lot of blood loss.In veins blood flows in a relatively low pressure compared to ...

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Byju's Answer

Standard VII

Biology

Blood Vessels

Why an inject...

Question

Why an injection is administered in a vein and not an artery?

Veins have valves and prevent backflow.

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Arteries have high pressure and puncture will lead to lot of blood loss.

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Veins carry oxygen-rich blood from all parts of the body to the heart

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Arteries carry carbon dioxide-rich blood to all parts of the body from the heart.

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Solution

The correct option is B
Explanation of the correct option:
In veins blood flows in a relatively low pressure compared to oxygenated blood being pumped through arteries at a higher pressure.
So if the artery is punctured with a needle this will lead to a lot of blood loss.
So mainly injections are administered through the vein rather than an artery.
Explanation of the incorrect option:
Option A,C and D didnot satisfy the appropriate explanation of the given question.
Final answer: Because Arteries have high pressure and puncture will lead to lot of blood loss, an injection is administered in a vein not an artery.

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Similar questions

Fill in the blanks of the following paragraph using just two words – arteries and veins

___(a)___ carry oxygen-rich blood from the heart to all parts of the body and ___ (b)___ carry carbon dioxide-rich blood from all parts of the body back to the heart. ___ (c)___ have thin walls and ___ (d)___ have thick elastic walls. Blood flows at high pressure in ___ (e)___. Valves are present in ___ (f) ___ which allow blood to flow only towards the heart. ___ (g)___ divide into smaller vessels. These vessels further divide into extremely thin tubes called capillaries. The capillaries join up to form ___ (h)___.

Q. Assertion :Arteries carry blood from various body organs to heart. Reason: Veins carry blood from various body organ to heart.

Q. Identify the correct match.

I: Arteries – Oxygen-rich blood
II: Arteries – Carbon dioxide-rich blood
III: Veins – Oxygen-rich blood
IV: Veins – Carbon dioxide-rich blood

Even though pulmonary artery carries carbon dioxide rich blood, why is it called an artery and not a vein?

Veins and arteries carry blood. Which of these carry blood :
(a) away from the heart ?
(b) back to the heart ?

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