Which of the Following Changes Would Most Increase the Resistance

question 33

Multiple Choice

Which of the following changes would most increase the resistance to blood flow in a blood vessel?

• A) halving the diameter of the vessel
• B) doubling the diameter of the vessel
• C) halving the length of the vessel
• D) doubling the length of the vessel
• E) decreasing the hematocrit from 50% to 40%

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Definitions:

Cervix

The lower part of the uterus in the female reproductive system, connecting the uterus to the vagina.

Ovulated Oocyte

A mature egg cell that has been released from an ovary during ovulation and is capable of being fertilized.

Uterine Tube

Also known as the fallopian tube, it is the path through which the ovum travels from the ovary to the uterus.

Lumen

The internal area of a hollow organ, like a blood vessel or the gut.