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Question

Read the following statement :
A) The hepatic portal vein carries blood from intestine to the liver.
B) Heart failure means the state of heart when it is not pumping blood effectively enough to meet the need of the body part.
C) Adrenal medullary hormones can also decrease the cardiac output.
D) During a cardiac cycle, both ventricle pumps out approximately 5 L of blood.
How many statements are correct ?

A
one
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B
two
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C
three
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D
four
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Solution

The correct option is A one
The statement A is correct because, Hepatic portal vein is present in the abdominal cavity that supplies blood from gastrointestinal tract and spleen to the capillary beds of liver.
The statement B is also right because, heart failure is a state where heart is not able to pump as much as blood as it nis supposed to be. The term "heart failure" is also used when heart is not working at all.
Adrenal medullary harmones cause vasoconstriction, which causes high blood pressure and increases blood flow. Therefore, the statement C is wrong.
Cardiac cycle is the functioning or performance of the heart from the beginning of one heart beat to the beginning of the next heart beat and each heart beat results puts out upto 0.07 L of blood. Therefore, the statement D is wrong.
So, the correct option is ' two'.

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