APHY 102 Final Exam Quiz Study Guide
The structure of a lymphatic vessel is most similar to that of a(n)
vein
In order to be fully activated, most __________ cells require interaction with __________ cells.
B;T
What is the first component(s) of the immune system to decline with age?
T...
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APHY 102 Final Exam Quiz Study Guide
The structure of a lymphatic vessel is most similar to that of a(n)
vein
In order to be fully activated, most __________ cells require interaction with __________ cells.
B;T
What is the first component(s) of the immune system to decline with age?
Thymus
What is not true of the spleen?
The spaces in the lobes of the spleen are filled with lymph
What term refers to any molecule that elicits an immune response?
Antigen
The thymus enlarges after puberty T/F
False
Absence or blockage of lymph vessels in a body region leads directly to what condition?
Edema
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Memory T and B cells function in what type of response?
Secondary immune responses
The region of a lymph node through which blood vessels and nerves pass is called the
hilum
What term is used for disorders resulting from the immune system attacking "self" cells?
Autoimmune diseases
What is the name of the fluid contained within vessels of the lymphatic system?
Lymph
Lymphatic pathways begin at the lymphatic capillaries which empty into lymphatic vessels. From
there, fluid flows through lymphatic __________ into lymphatic __________, eventually emptying
into veins in the thorax.
trunks; ducts
The thymus is in the mediastinum behind the sternum. T/F
True
,Lymph eventually is returned to the circulation at what blood vessels?
Right and left subclavian veins
Name the enzyme that converts HC2O3 to HCO3- and H+.
carbonic anhydrase
Activation of what group of proteins in the plasma leads to inflammation, attraction of phagocytes,
and enhancement of phagocytosis?
Complement
The two collecting ducts that drain the lymphatic trunks are the
thoracic duct and right lymphatic duct.
What type of immunity will result from receiving a vaccination?
Artificially acquired active immunity
allograft
same species
isograft
identical twin
xenograft
different species
autograft
self
What class of immunoglobulin is involved in immediate-reaction allergic reactions?
IgE
Older red blood cells may be destroyed in the spleen. T/F
T
Lymph differs from plasma in that
plasma has more protein than lymph
When T or B cells are activated, they proliferate, forming a group of genetically identical cells
descending from the original activated cell. What is the name of this group of identical cells?
Clone
Muscle contraction moves lymph through lymphatic vessels T/F
True
, What is the name of the condition in which there is a deficiency in red blood cells or in the amount of
hemoglobin?
Anemia
A person with type A blood can successfully donate blood to a person with type __________ blood.
A
What component of blood accounts for the largest proportion of the blood volume?
Plasma
Define hemostasis
Process that stops bleeding
What is the typical life span of a red blood cell?
120 days
The biconcave cells in blood that lack nuclei when they are mature are the
red blood cells.
Universal precautions are
specific measures that health-care workers should take to prevent transmission of blood borne
pathogens in the workplace.
While looking at a sample of blood in a microscope, you see a purple-stained cell that is markedly
larger than a red blood cell (about two to three times larger). It has a large kidney-shaped nucleus.
What type of blood cell is this?
A monocyte
Low platelet count; results in decreased blood clotting and bruising.
Thrombocytopenia
Abnormal hemoglobin; causes hemoglobin to crystallize in low oxygen conditions.
Sickle Cell Disease
Reduced oxygen-carrying capacity of the blood; leads to paleness of the skin.
Anemia
Low blood oxygen levels lead to bluish tint to the skin.
Cyanosis
On a long transcontinental flight, a middle-aged man gets up and exercises in the aisle, moving his
hands, feet, arms, and legs as much as he can. He does this every two hours. The flight attendant asks
him to sit down, but he explains that he is trying to prevent a very dangerous medical condition. He is
talking about the condition called
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