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Bios 255 Midterm/Finals (Latest Update )
Questions with Answers | Grade A | 100% Correct
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
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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
Bios 255 Midterm/Finals (Latest Update )
Questions with Answers | Grade A | 100% Correct
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
, 2|Page
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
