Which of the Following Statements About Blood Vessel Structure and Function

question 56

Multiple Choice

Which of the following statements about blood vessel structure and function is FALSE?

• A) Veins are more compliant than arteries.
• B) The aorta and other large arteries serve as a pressure reservoir for the circulatory system.
• C) Arterioles are small vessels whose resistance to blood flow can be varied.
• D) Arterioles, capillaries, and veins all have valves that allow only one-way flow of blood.
• E) If your blood pressure is 100/70, your mean arterial blood pressure is ~80 mm Hg.

---

Definitions:

Conditioned Stimulus (CS)

A stimulus that becomes able to elicit a learned response as a result of being paired with an unconditioned stimulus.

Unconditioned Stimulus (UCS)

An environmental event that can elicit an instinctive reaction without any experience.

Conditioning

A method of modifying behavior in which an individual learns to connect a previously neutral stimulus with a behavior that is sought after.

Optimum Interstimulus Interval

The ideal time gap between the presentation of a conditioned stimulus and an unconditioned stimulus for effective associative learning to occur.