Question

Which of the following determine the amount of blood that will be delivered to a specific organ or tissue?

1) Blood pressure
2) Blood volume
3) Resistance of blood vessels
4) All of the above

Answer 1

The correct answer is:

4) All of the above

The amount of blood that will be delivered to a specific organ or tissue is determined by multiple factors, including blood pressure, blood volume, and the resistance of blood vessels. Blood pressure is the force exerted by the blood against the walls of the blood vessels and plays a role in determining blood flow. Blood volume refers to the total amount of blood in the body and affects the overall blood flow. The resistance of blood vessels, which is influenced by factors such as vessel diameter and constriction, also impacts blood flow to specific organs or tissues. Therefore, all of these factors collectively determine the amount of blood that will be delivered to a specific organ or tissue.

Answer 2

The amount of blood delivered to a specific organ or tissue is influenced by blood pressure, blood volume, and resistance within blood vessels, so the correct answer is 'All of the above.'

Step-by-step explanation:

The amount of blood delivered to a specific organ or tissue is determined by a combination of factors, including blood pressure, blood volume, and the resistance of blood vessels.

• Blood pressure is the force exerted by circulating blood on the walls of blood vessels and is a primary driver of blood flow. Higher blood pressure generally means more blood is pushed into the organs.
• Blood volume refers to the total amount of blood circulating within the body. Changes in blood volume can affect blood pressure and therefore influence blood flow.
• Resistance within blood vessels is largely determined by the diameter of the vessels and the viscosity of the blood. Narrower vessels and thicker blood increase resistance, which can decrease blood flow.

Therefore, the correct answer to your question is: 4) All of the above.