Chapter 11 and 12 Mr cox
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
