Show:
Structure
Circulation
Types of Veins
Structure
Venous Return
100
Are veins usually deep or superficial?
Superficial
100
Veins bring _____________ blood back to the heart.
deoxygenated
100
Are the radial and ulnar veins are deep or superficial?
Deep
100
Larger veins have ______ that prevent backflow of blood
valves
100
_______ muscle activity enhances venous return
skeletal
200
The naming of veins is usually identical to their companion _________.
arteries
200
Pressure in veins tends to be low or high?
Low
200
The _________ vein drains the posterior part of the head.
vertebral
200
The _______ veins drain the kidneys
renal
200
When we inhale, large veins near the ______ expand and fill with oxygen.
heart
300
Most veins converge off the ________.
Venae Cavae
300
Veins draining into the ___________ _____ _______ are listed in a distal-to-proximal direction
superior vena cava
300
The __________ vein drains the liver
hepatic
300
The large veins entering the heart are known as ___________.
Venae Cavae
300
Pooling of blood in feet and legs and inefficient venous return leads to a homeostatic imbalance known as ___________ veins.
Varicose
400
Most deep veins follow the course of _________.
Major arteries
400
Veins draining the lower body empty into the _____________.
Inferior Vena Cava
400
The radial and ulnar veins unite to form the _________ vein.
Brachial
400
_________ drain the tissues and return blood to the heart.
Veins
400
The flow of blood from an arteriole to a venule through a capillary bed is known as _________.
Microcirculation
500
The umbilical vein carries blood rich in ________ and ________ to the fetus.
nutrients and oxygen
500
Veins draining the head and arms empty into the ___________.
Superior Vena Cava
500
The _________ vein drains the thorax and enters the superior vena cava before it joins the heart.
azygos
500
Veins usually contain oxygen rich blood or oxygen poor blood?
Oxygen poor
500
Blood returning to the heart flows against _________.
gravity