MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

CARDIOVASCULAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following increases blood flow?
A
an increase in blood viscosity
B
an increase in blood volume
C
an increase in blood vessel length
D
an increase in blood vessel diameter
Explanation: 

Detailed explanation-1: -Answer and Explanation: Of the listed possibilities the one that would increase the rate of flow in blood vessels is decreasing the length and increasing the diameter of the blood vessels. By increasing the diameter more blood will be able to flow through the veins.

Detailed explanation-2: -The widening of blood vessels is called vasodilation, while the narrowing of blood vessels is called vasoconstriction.

Detailed explanation-3: -Answer and Explanation: The correct answer is c. increased pressure of the blood entering the vessel. The blood pressure for the blood flow is created by the hydrostatic pressure of the blood vessels that helps to move the blood from the area of higher to lower pressure.

There is 1 question to complete.