Blood Vessels & Circulation

What is the primary role of veins in the circulatory system?

• Carry blood away from the heart

• Carry blood to the heart

• Exchange nutrients

• Filter blood

Which blood vessel carries oxygenated blood from the heart to the body?

• Veins

• Arteries

• Capillaries

• None of the above.

Which of the following is not a part of the circulatory system?

• Heart

• Lungs

• Blood vessels

• Blood

What is coronary circulation?

• The circulation of blood in the lungs

• The circulation of blood in the blood vessels that supply heart muscle

• The circulation of blood in the brain

• The circulation of blood in the liver.

Fill in the blank: Coronary circulation is responsible for the circulation of blood in the blood vessels that supply the ______.

• A) brain

• B) liver

• C) heart muscle

• D) lungs

Systemic circulation involves the circulation of blood through the ______.

• lungs

• heart

• blood vessels of the body

• brain

What percentage of blood distribution is involved in systemic circulation?

• 50%

• 84%

• 70%

• 90%

The names of the walls of arteries and veins begin with the Latin term '____'.

• A) tunica

• B) tunic

• C) tunico

• D) tunicus

The word 'tunic' is related to which ancient civilization's garment?

• Greek

• Roman

• Egyptian

• Chinese

What is the primary composition of the Tunica Externa?

• Mostly elastic fibers

• Mostly collagenous fibers

• Mostly muscular fibers

• Mostly nervous tissue