Vascular Anatomy Flashcards
Distal to the thorax the subclavian artery becomes the ____ artery.
Axillary
The chief function of bile is to
Reduce surface tension of fats for digestion
The Tunica media of arteries is composed primarily of
Smooth muscle
The right and left vertebral arteries ascend to join the
Basilar artery
Check the arteries that arise from the innominate artery ( brachiocephalic)
Right subclavian
Right common carotid
The common iliac veins unite in the pelvis to form the
Inferior vena cava
How many peripheral capillaries does a normal adult have?
3 billion
The circle of Willis is a ____ located near the _____.
Arterial anastomosis, base of brain
Veins different from arteries in that Venous walls
Are more compliant
Arteries differ from veins in that arteries always carry
Blood away from the heart
Systemic veins function differently than arteries- in that veins
Contain venous valves
And what lung structures are oxygen and carbon dioxide exchanged?
Alveoli
Check the three functions of the spleen
Filtration of plasma
Cleans blood of dead erythrocytes
Store blood
Lymphatic vessels originating in the villi of the small intestines which absorb fat are termed ____. They transport a type of white lymph called ____.
Lacteals, chyle
The major artery arising anteriorly from the abdominal aorta
Superior mesenteric
Which vessel would contain valves?
Saphenous vein
Capillaries are composed of
A single layer of endothelium
The major artery which supplies the face is the
External carotid artery
Which vessel normally carries the most oxygen enriched blood?
Pulmonary veins
The right lung has how many lobes?
Three
What cartilaginous structure acts like a trap door during swallowing to prevent food from entering the lungs?
Epiglottis
The space in the chest between the two lungs which contain the heart is
Mediastinum
Which motor nerve controls motion of the diaphragm?
Phrenic
How many pulmonary veins normally empty into the left atrium?
Four
Where are the great vessels of the heart attached?
Base of heart
The artery supplying the small intestine is the
Superior mesenteric
At what vertebral level does the celiac artery normally originate?
T12
Which is not one of the major lymph node groups? Submaxillary, axillary, coronary, or inguinal?
Coronary
The chief difference between systemic capillaries and lymphatic capillaries is that Lymphatic are
Close ended
Lymph drains from the entire lower body and left side through the ____ thoracic duct into the ____.
Left, left subclavian vein
Normally the total volume of fluid transported through the lymphatics is approximately _____ ml/min.
1-2 ml/min
