CVS Session 1

How many layers of endothelial cells line capillary walls?

• 1

• 20

• <100

True or false: all capillaries within the body are always perfused.

• True

• False

Which of the following organs are most intolerant to blood flow interruption?

• Gut

• Skeletal muscle

• Kidneys

At rest, where is the majority of blood stored within the body?

• Arteries and arterioles

• Capillaries

• Heart and lungs

• Veins

Which of the following organs have the smallest minimum blood flow requirement?

• Skin

• Heart

• Skeletal muscle

Answer explanation

Min/max: skin 200/2500, heart 300/1200, skeletal muscle 1000/16000.