Chapter 10 & 12 Final Review

Which type of vessel is constructed only from tunica intima?

Capillaries

The innate (nonspecific) defense system and adaptive (specific) defense system make up the immune system.

False

The two main structures of the lymphatic system are the lymphatic vessels and the blood vessels.

False

All lymph rejoins the bloodstream via the subclavian veins.

True

Capillaries are composed only of tunica intima.

True

Chemicals secreted by white blood cells and macrophages exposed to foreign substances that can increase body temperature are called pyrogens.

True

Exchanges between blood and tissue cells occur in capillary beds.

True

The path of blood flow within the systemic vascular system is ________.

arteries, arterioles, capillary beds, venules, veins

A(n) ________ is any substance capable of mobilizing our immune system and provoking an immune response.

antigen

The aorta is classified as one of these vessels

arteries

These vessels have thicker walls and a heavier tunica media

arteries

Nutrient and gas exchange occur in these vessels

capillaries

Venules drain these tiny beds of vessels

capillaries

Harmful or disease-causing microorganisms from which nonspecific defenses protect the body are called ________.

pathogens

Veins ________.

prevent the backflow of blood

The ________ duct drains lymph from the right arm and the right side of the head and thorax.

right lymphatic

The correct sequence of layers of a typical blood vessel, from superficial to deep, are ________.

tunica externa, tunica media, tunica intima

Blood pressure in these vessels is low or even negative

veins

Some of these larger vessels have valves to prevent backflow

veins

These vessels have thinner walls and transport oxygen-poor blood

veins

Excess accumulation of fluid, which impairs the exchange of materials within the tissues, is called ________.

edema