3/18/25, 7:37 Bios 255 Midterm/Finals |
AM
BIOS 255 MIDTERM/FINALS EXAM QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTIONS VERIFIED
Terms in this set (78)
Which of the typical blood vessels has a veins
thin tunica tunica media dominated by
collagen fibers?
Capillaries surrounding the choroid plexus Fenestrated capillaries
is of which type?
Blood flow through a capillary bed is Atriovenous Anastomosis
passed by what structure?
-With the aid of contractions of the adjacent skeletal muscles.
Blood flows toward the heart in the veins
by? -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 Resistance
the heart, what increases?
Blood volume is decreased by what two ANP & BNP
hormones?
Which of the following is not a Nitric Oxide
vasoconstrictor?
-Prostagladin
-Thromboxones
-Nitric Oxide
Vasodilation is achieved by adrenergic False
receptors. True or False
Baroreceptors are found in what sinus? Carotid Sinuses
Which of the typical blood vessels has thick Arteries
tunica media dominated by smooth muscle
cells and elastic fibers?
Femoral artery is a type of what artery? Muscular Artery
Capillaries that have a complete lining are Continuous Capillaries
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, 3/18/25, 7:37 Bios 255 Midterm/Finals |
AM
called what?
Blood flow through a capillary is regulated Precapillary Sphincter
by what?
As the blood flows from the aorta towards Resistance
the cappilaries what increases?
Pressure gradient of water causes osmosis. False
True or False
Which of the following is NOT Prostagladin
a vasodilator?
Venous reserve is used during True
extreme blood loss. True or False
Chemoreceptors are found in what? Aortic Bodies
Venous valves allow blood to flow in BOTH False
directs. True or False.
The normal heart sounds are caused by The closure of the heart valves
what?
The left ventricular wall of the heart is Pump blood against a greater pressure
much thicker than the right wall in order
to do what?
Ventricular depolarization corresponds to QRS Complex
what complex?
Blood within the pulmonary veins returns to Left Atrium
the heart in what location?
When the heart rate is at 75, the duration of 0.8 seconds
one cardiac cycle is how long?
Cardiac muscle cells are like Striation
skeletal muscle cells in that they all
have what?
The ascending aorta is connected to the Left Ventricle
If the vagus nerve is severed, the result The heart rate will increase
would be that
The mitral valve is closed during what? During ventricular diastole
What will increase the contractility of the Thyroxin, Epinephrine, & Sympathetic Stimuli
heart muscle?
An abnormally fast heart rate is called Tachycardia
2/
5
AM
BIOS 255 MIDTERM/FINALS EXAM QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTIONS VERIFIED
Terms in this set (78)
Which of the typical blood vessels has a veins
thin tunica tunica media dominated by
collagen fibers?
Capillaries surrounding the choroid plexus Fenestrated capillaries
is of which type?
Blood flow through a capillary bed is Atriovenous Anastomosis
passed by what structure?
-With the aid of contractions of the adjacent skeletal muscles.
Blood flows toward the heart in the veins
by? -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 Resistance
the heart, what increases?
Blood volume is decreased by what two ANP & BNP
hormones?
Which of the following is not a Nitric Oxide
vasoconstrictor?
-Prostagladin
-Thromboxones
-Nitric Oxide
Vasodilation is achieved by adrenergic False
receptors. True or False
Baroreceptors are found in what sinus? Carotid Sinuses
Which of the typical blood vessels has thick Arteries
tunica media dominated by smooth muscle
cells and elastic fibers?
Femoral artery is a type of what artery? Muscular Artery
Capillaries that have a complete lining are Continuous Capillaries
1/
5
, 3/18/25, 7:37 Bios 255 Midterm/Finals |
AM
called what?
Blood flow through a capillary is regulated Precapillary Sphincter
by what?
As the blood flows from the aorta towards Resistance
the cappilaries what increases?
Pressure gradient of water causes osmosis. False
True or False
Which of the following is NOT Prostagladin
a vasodilator?
Venous reserve is used during True
extreme blood loss. True or False
Chemoreceptors are found in what? Aortic Bodies
Venous valves allow blood to flow in BOTH False
directs. True or False.
The normal heart sounds are caused by The closure of the heart valves
what?
The left ventricular wall of the heart is Pump blood against a greater pressure
much thicker than the right wall in order
to do what?
Ventricular depolarization corresponds to QRS Complex
what complex?
Blood within the pulmonary veins returns to Left Atrium
the heart in what location?
When the heart rate is at 75, the duration of 0.8 seconds
one cardiac cycle is how long?
Cardiac muscle cells are like Striation
skeletal muscle cells in that they all
have what?
The ascending aorta is connected to the Left Ventricle
If the vagus nerve is severed, the result The heart rate will increase
would be that
The mitral valve is closed during what? During ventricular diastole
What will increase the contractility of the Thyroxin, Epinephrine, & Sympathetic Stimuli
heart muscle?
An abnormally fast heart rate is called Tachycardia
2/
5
