Exam Final / Midterm : BIOS 255 /
BIOS255 (2025/ 2026 Update) Anatomy
and Physiology III Complete Guide |
100% Correct| Grade A -Chamberlain
Which of the typical blood vessels has a thin tunica tunica media dominated by
collagen fibers? - ANSWER veins
Capillaries surrounding the choroid plexus is of which type? - ANSWER
Fenestrated capillaries
Blood flow through a capillary bed is passed by what structure? - ANSWER
Atriovenous Anastomosis
Blood flows toward the heart in the veins by? - ANSWER -With the
aid of contractions of the adjacent skeletal muscles.
-Valves in the veins prevent the backflow of the blood
-Pressure at the venules is higher than the pressure at the venae cava
As the blood flows from venules toward the heart, what increases? - ANSWER
Resistance
, Blood volume is decreased by what two hormones? - ANSWER ANP
& BNP
Which of the following is not a vasoconstrictor?
-Prostagladin
-Thromboxones
-Nitric Oxide - ANSWER Nitric Oxide
Vasodilation is achieved by adrenergic receptors. True or False - ANSWER
False
Baroreceptors are found in what sinus? - ANSWER Carotid Sinuses
Which of the typical blood vessels has thick tunica media dominated by smooth
muscle cells and elastic fibers? - ANSWER Arteries
Femoral artery is a type of what artery? - ANSWER Muscular Artery
Capillaries that have a complete lining are called what? - ANSWER
Continuous Capillaries
Blood flow through a capillary is regulated by what? - ANSWER
Precapillary Sphincter
BIOS255 (2025/ 2026 Update) Anatomy
and Physiology III Complete Guide |
100% Correct| Grade A -Chamberlain
Which of the typical blood vessels has a thin tunica tunica media dominated by
collagen fibers? - ANSWER veins
Capillaries surrounding the choroid plexus is of which type? - ANSWER
Fenestrated capillaries
Blood flow through a capillary bed is passed by what structure? - ANSWER
Atriovenous Anastomosis
Blood flows toward the heart in the veins by? - ANSWER -With the
aid of contractions of the adjacent skeletal muscles.
-Valves in the veins prevent the backflow of the blood
-Pressure at the venules is higher than the pressure at the venae cava
As the blood flows from venules toward the heart, what increases? - ANSWER
Resistance
, Blood volume is decreased by what two hormones? - ANSWER ANP
& BNP
Which of the following is not a vasoconstrictor?
-Prostagladin
-Thromboxones
-Nitric Oxide - ANSWER Nitric Oxide
Vasodilation is achieved by adrenergic receptors. True or False - ANSWER
False
Baroreceptors are found in what sinus? - ANSWER Carotid Sinuses
Which of the typical blood vessels has thick tunica media dominated by smooth
muscle cells and elastic fibers? - ANSWER Arteries
Femoral artery is a type of what artery? - ANSWER Muscular Artery
Capillaries that have a complete lining are called what? - ANSWER
Continuous Capillaries
Blood flow through a capillary is regulated by what? - ANSWER
Precapillary Sphincter
