bio 271 chapter 23 blood vessels questions with complete
solutions
A basement membrane and endothelium make up the tunica
intima of a capillary. Correct Answers intima
Arteries Correct Answers carry blood away from the heart
Blood pressure increases when sympathetic innervation causes
______ of the arterioles. Correct Answers Vasoconstriction
Capallaries Correct Answers tiny blood vessel where
substances are exchanged between the blood and the blood cells
in between veins and arteries
Capillaries function together by forming a ______. Correct
Answers capillary bed
capillary beds Correct Answers
Layers of blood vessels Correct Answers tunica intima, tunica
media, tunica externa
Most capillaries consist solely of a ______. Correct Answers
tunica intima
The ______ circulation consists of the blood vessels that take
the blood to and from the lungs for the purpose of gas exchange.
Correct Answers pulmonary
, The ______ elastic lamina in the walls of muscular arteries
separates the tunica media from the tunica externa. Correct
Answers external
The _______________ circulation carries blood to all body
regions, not just the lungs. Correct Answers systemic
The bulk of a capillary bed is formed by the ______. Correct
Answers true capillaries
The extensive capillaries in a capillary bed create an increase in
the total surface area of these blood vessels, which results in
______. Correct Answers slower blood flow through the
capillaries
The narrowing of the blood vessel lumen resulting from
sympathetic innervation causing the contraction of the smooth
muscle of tunica media is known as ______. Correct Answers
Vasoconstriction
The smallest blood vessels in the cardiovascular system are the
______. Correct Answers capillaries
The smallest type of arteries are the: Correct Answers
arterioles
The space within a vessel through which blood flows is the
Correct Answers lumen
The three classes of blood vessels are Correct Answers arteries,
capillaries, veins
solutions
A basement membrane and endothelium make up the tunica
intima of a capillary. Correct Answers intima
Arteries Correct Answers carry blood away from the heart
Blood pressure increases when sympathetic innervation causes
______ of the arterioles. Correct Answers Vasoconstriction
Capallaries Correct Answers tiny blood vessel where
substances are exchanged between the blood and the blood cells
in between veins and arteries
Capillaries function together by forming a ______. Correct
Answers capillary bed
capillary beds Correct Answers
Layers of blood vessels Correct Answers tunica intima, tunica
media, tunica externa
Most capillaries consist solely of a ______. Correct Answers
tunica intima
The ______ circulation consists of the blood vessels that take
the blood to and from the lungs for the purpose of gas exchange.
Correct Answers pulmonary
, The ______ elastic lamina in the walls of muscular arteries
separates the tunica media from the tunica externa. Correct
Answers external
The _______________ circulation carries blood to all body
regions, not just the lungs. Correct Answers systemic
The bulk of a capillary bed is formed by the ______. Correct
Answers true capillaries
The extensive capillaries in a capillary bed create an increase in
the total surface area of these blood vessels, which results in
______. Correct Answers slower blood flow through the
capillaries
The narrowing of the blood vessel lumen resulting from
sympathetic innervation causing the contraction of the smooth
muscle of tunica media is known as ______. Correct Answers
Vasoconstriction
The smallest blood vessels in the cardiovascular system are the
______. Correct Answers capillaries
The smallest type of arteries are the: Correct Answers
arterioles
The space within a vessel through which blood flows is the
Correct Answers lumen
The three classes of blood vessels are Correct Answers arteries,
capillaries, veins
