Cardiovascular system 1

1 / 10

Which layer of the blood vessel is the innermost layer?

Tunica intima

Tunica adventitia

Tunica externa

Tunica media

2 / 10

What kind of tissue is found in the subendothelial layer?

Cartilage

Loose connective tissue

Dense connective tissue

Bone

3 / 10

How many layers (tunics) are the walls of arteries and veins composed of?

Four

One

Two

Three

4 / 10

Which of the following is NOT a component of the cardiovascular system?

Kidneys

Heart

Blood vessels

Lymphatic vessels

5 / 10

What is the function of the vasa vasorum?

Nourish outer layers of large arteries and veins

Remove waste from red blood cells

Carry oxygen within capillaries

Supply blood to the inner tunica media

6 / 10

Which of the following statements about the endothelium is FALSE?

It secretes agents that control clot formation.

It acts as a semipermeable barrier.

It forms a non-thrombogenic surface.

t is impermeable to all substances.

7 / 10

What is the primary type of muscle found in the tunica media?

Voluntary muscle

Smooth muscle

Skeletal muscle

Cardiac muscle

8 / 10

What type of cells make up the endothelium?

Columnar epithelial cells

Squamous epithelial cells

Cuboidal epithelial cells

Transitional epithelial cells

9 / 10

What is the primary function of the cardiovascular system?

Movement of muscles

Production of hormones

Transport of Blood

Digestion

10 / 10

What structure lies between the tunica media and tunica adventitia?

External elastic membrane

Endothelium

Internal elastic membrane

Subendothelial layer

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