Chapter 11 and 12 Mr cox

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Cytotoxic T cells

Also called killer T cells

Plasma cell

Antibody-producing "machine"

True

Arteries branch into smaller vessels known as arterioles. T/F

Lymph nodes

Bacteria and tumor cells are removed from lymph by ________.

True

Blood cells and proteins typically cannot pass across the walls of capillaries and are thus prevented from leaving or entering the capillaries. T/f

Tunica intima

Capillaries have only 1 layer of connective tissue. Which is it ?

Chordae tendineae

prevent heart valves from collapsing or inverting

Interatrial septum

provides alternate blood flow for the brain

Autograft

From same person

Plasma cell secrete

How do plasma cells assist with humoral immunity?

True

IgA can be found in tears. T/F

is involved in allergies.

IgE ________.

Liver and lungs

In the developing fetus, blood is shunted around these 2 organs.

Hilum

In which structures do B-cells proliferate and create plasma cells during response to a disease?

B cell

It forms plasma cells and memory cells

Helper T cells

It stimulates the production of the other immune cells

Arteries

Large blood vessels that carry blood away from the heart are called ________.

Regulatory T cell

Slows and stop the activity of B and T cells once infection or attack by foregin cells

True

The alternate name for the bicuspid valve is the mitral valve. T/F

Pulse

The alternating expansion and recoil of an artery that occurs with each beat of the left ventricle creates a pressure wave known as a(n) ________.

75

The average heart beats about ________ times per minute.

Brain

The circle of Willis is found in the __________ .

Fist

The heart is about the same size as a person's ________ .

Peyer's patche

The lymph tissues found within the walls of the small intestine are called ________

False

The most important function of the thymus gland is to destroy worn-out red blood cells and return some of the products to the liver. T/F

True

The nonspecific defense by which complement proteins attach to sugars or proteins on the surface of foreign cells is called complement fixation. T/f

macrophage

The purple and green hairy cell is the ?

True

The role of the spleen in the lymphatic system is to provide a site for lymphocyte proliferation and immune surveillance. T/F

Pacemaker

The sinoatrial node (SA), located in the right atrium of the heart, is often called the ________.

Right artium

The sinoatrial node is located in the ________.

False

The study of immunity and the immune system is called endocrinology. T/F

True

The umbilical vein carries blood rich in nutrients and oxygen to the fetus. T/f

Xenograft

Tissue from animal

Allograft

Tissue from another person

Isograft

Tissue fromtwin

Media

Tunica ________, the middle layer of a typical blood vessel, contains smooth muscle and elastic fibers.

Spleen

What lymphoid organ stores platelets and acts as a blood reservoir ?

afferent lymphatic vessels

What structure (A) carries lymph into a lymph node?

8 -10 liters

What volume of blood does the heart pump each minute ?

SA node

carries electrical impulse from AV node to Purkinje fibers

AV node

conducts electrical impulse to the ventricles

Memory cell

Descendant of an activated B and T cell

tissue swelling due to fluid buildup.

Edema is

False

Exchanges between blood and tissue cells occur in arteries, arterioles, and capillary beds. T/F

True

Naturally acquired active immunity is conferred when one recovered from illness (disease). T/f

True

Normal blood pressure is usually around 120 / 80 mm Hg pressure. T/f

Bundle of his

initiates heartbeat


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