2024/2025 BIOS255 CHAMBERLAIN
EXAM 2 WITH CORRECT ANSWERS
Which form of membrane movement is ideal for the diffusion of gases? -
CORRECT ANSWERS- simple diffusion
Which major category of tissues is ideal for lining and covering structures? -
CORRECT ANSWERS- epithelial tissue
the spleen is the - CORRECT ANSWERS- largest lymphatic organ
where is the spleen found - CORRECT ANSWERS- upper left quadrant
posterolateral to the stomach, lateral to the left kidney, and inferior to the
diaphragm
the splenic artery functions to - CORRECT ANSWERS- deliver blood to the
spleen
the splenic vein functions to - CORRECT ANSWERS- drain blood from the
spleen
the spleen is surrounded by a tissue capsule that protects the - CORRECT
ANSWERS- red and white pulp
what does red pulp consist of? - CORRECT ANSWERS- red blood cells stored
in the splenic cords to act as a blood reservior
,what do white pulp consist of? - CORRECT ANSWERS- t cells, b cells, and
macrophages that act as the immune cells
what does the spleen lack? - CORRECT ANSWERS- cortex and medulla
What is the function of the lymphatic nodules? - CORRECT ANSWERS-
defend against infection in the area
The thymus continues to grow until a person reaches ___ when it has a
maximum weight of 30-50 grams - CORRECT ANSWERS- puberty
Accumulations of lymphocytes embedded in connective tissue networks are
called ____ and can be present in static locations or acutely accumulate in
areas of infection - CORRECT ANSWERS- lymphatic tissues
Tunica Intimia (interna) consists of - CORRECT ANSWERS- endothelial cells,
connective tissue
tunica media consists of - CORRECT ANSWERS- elastic fibers and smooth
muscle
tunica externa consists of - CORRECT ANSWERS- epithelial cells, connective
tissue, elastic fibers
which layer is the largest? - CORRECT ANSWERS- tunica media
, why is the tunica media thicker in arteries than veins? - CORRECT ANSWERS-
they supply more pressure to blood
what are the only blood vessels that contain valves? - CORRECT ANSWERS-
veins and venules
what do valves do? - CORRECT ANSWERS- prevent back flow of blood
what is an artery - CORRECT ANSWERS- blood vessels that transports blood
AWAY from the heart and TOWARDS the capillaries
are arteries oxygen rich or oxygen poor? - CORRECT ANSWERS- oxygen rich
what is a vein? - CORRECT ANSWERS- vessels that drain blood from the
capillaries and transport it TOWARDS the heart
are veins oxygen rich or oxygen poor? - CORRECT ANSWERS- oxygen poor
what is a capillary? - CORRECT ANSWERS- microscopic vessel that allows for
the exchange of substances between blood and tissues
what are capillaries composed of? - CORRECT ANSWERS- layer of
endothelium and a basement membrane
what are elastic arteries composed of? - CORRECT ANSWERS- more elastic
fibers than smooth muscle
EXAM 2 WITH CORRECT ANSWERS
Which form of membrane movement is ideal for the diffusion of gases? -
CORRECT ANSWERS- simple diffusion
Which major category of tissues is ideal for lining and covering structures? -
CORRECT ANSWERS- epithelial tissue
the spleen is the - CORRECT ANSWERS- largest lymphatic organ
where is the spleen found - CORRECT ANSWERS- upper left quadrant
posterolateral to the stomach, lateral to the left kidney, and inferior to the
diaphragm
the splenic artery functions to - CORRECT ANSWERS- deliver blood to the
spleen
the splenic vein functions to - CORRECT ANSWERS- drain blood from the
spleen
the spleen is surrounded by a tissue capsule that protects the - CORRECT
ANSWERS- red and white pulp
what does red pulp consist of? - CORRECT ANSWERS- red blood cells stored
in the splenic cords to act as a blood reservior
,what do white pulp consist of? - CORRECT ANSWERS- t cells, b cells, and
macrophages that act as the immune cells
what does the spleen lack? - CORRECT ANSWERS- cortex and medulla
What is the function of the lymphatic nodules? - CORRECT ANSWERS-
defend against infection in the area
The thymus continues to grow until a person reaches ___ when it has a
maximum weight of 30-50 grams - CORRECT ANSWERS- puberty
Accumulations of lymphocytes embedded in connective tissue networks are
called ____ and can be present in static locations or acutely accumulate in
areas of infection - CORRECT ANSWERS- lymphatic tissues
Tunica Intimia (interna) consists of - CORRECT ANSWERS- endothelial cells,
connective tissue
tunica media consists of - CORRECT ANSWERS- elastic fibers and smooth
muscle
tunica externa consists of - CORRECT ANSWERS- epithelial cells, connective
tissue, elastic fibers
which layer is the largest? - CORRECT ANSWERS- tunica media
, why is the tunica media thicker in arteries than veins? - CORRECT ANSWERS-
they supply more pressure to blood
what are the only blood vessels that contain valves? - CORRECT ANSWERS-
veins and venules
what do valves do? - CORRECT ANSWERS- prevent back flow of blood
what is an artery - CORRECT ANSWERS- blood vessels that transports blood
AWAY from the heart and TOWARDS the capillaries
are arteries oxygen rich or oxygen poor? - CORRECT ANSWERS- oxygen rich
what is a vein? - CORRECT ANSWERS- vessels that drain blood from the
capillaries and transport it TOWARDS the heart
are veins oxygen rich or oxygen poor? - CORRECT ANSWERS- oxygen poor
what is a capillary? - CORRECT ANSWERS- microscopic vessel that allows for
the exchange of substances between blood and tissues
what are capillaries composed of? - CORRECT ANSWERS- layer of
endothelium and a basement membrane
what are elastic arteries composed of? - CORRECT ANSWERS- more elastic
fibers than smooth muscle
