BIO 142 Blood Vessels

Elastic fibers in the walls of which vessels are stretched as the heart beats? A). arteries B). arterioles C). capillaries D). venules E). veins

A). arteries

Capillaries that have a complete lining are called: A). continuous capillaries. B). fenestrated capillaries. C). sinusoidal capillaries. D). sinusoids. E). vasa vasorum.

A). continuous capillaries.

When the popliteal vein reaches the popliteal fossa, it becomes the ________ vein. A). femoral B). deep femoral C). internal iliac D). external iliac E). lumbar

A). femoral

An important artery that supplies blood to the brain is the ________ artery. A). internal carotid B). external carotid C). mental D). azygos E). maxillary

A). internal carotid

Which of the following breaks the rule that arteries carry oxygenated blood away from the heart? A). pulmonary arteries B). pulmonary veins C). common carotid artery D). aorta E). superior vena cava

A). pulmonary arteries

Which of the following is the innermost layer of a blood vessel? A). tunica intima B). external elastic membrane C). tunica media D). internal elastic membrane E). tunica externa

A). tunica intima

The layer between the tunica media and the tunica externa in a large artery is the: A). tunica intima. B). external elastic membrane. C). tunica media. D). internal elastic membrane. E). tunica externa.

B). external elastic membrane.

The external iliac artery becomes the ________ artery as it enters the lower limbs. A). radial B). femoral C). tibial D). popliteal E). deep femoral

B). femoral

Pulmonary veins carry blood to the: A). right atrium. B). left atrium. C). lungs. D). aorta. E). pulmonary circuit.

B). left atrium.

The fusion of the brachiocephalic veins forms the: A). inferior vena cava. B). superior vena cava. C). innominate vein. D). subclavian vein. E). azygos vein.

B). superior vena cava.

The layer of the arteriole wall that can produce vasoconstriction is the: A). tunica adventitia. B). tunica media. C). tunica intima. D). tunica externa. E). tunica mater.

B). tunica media.

Which of the following are the smallest venous vessels? A). large veins B). venules C). medium veins D). arteriovenules E). venous valves

B). venules

Which of these contributes to the formation of the popliteal vein? A). internal iliac B). small saphenous and great saphenous C). anterior and posterior tibial and fibular D). peroneal and popliteal E). great saphenous and posterior tibial

C). anterior and posterior tibial and fibular

After entering the arm, the axillary artery becomes the ________ artery. A). radial B). ulnar C). brachial D). subclavian E). digital

C). brachial

The superior sagittal sinus collects blood from the: A). heart. B). lungs. C). brain. D). arms. E). legs.

C). brain.

Metabolites exchange by diffusion with tissue cells in which of the following locations? A). artery B). arteriole C). capillary D). venule E). vein

C). capillary

The ________ divides the aorta into the thoracic aorta and the abdominal aorta. A). pericardium B). mediastinum C). diaphragm D). peritoneum E). pleura

C). diaphragm

Capillaries with a perforated lining are called: A). perforated capillaries. B). discontinuous capillaries. C). fenestrated capillaries. D). sinuses. E). vasa vasorum.

C). fenestrated capillaries.

The two common iliac veins form the: A). femoral vein. B). greater saphenous vein. C). inferior vena cava. D). hepatic portal vein. E). innominate vein.

C). inferior vena cava.

Pulmonary arteries carry blood to the: A). right atrium. B). left atrium. C). lungs. D). aorta. E). systemic circuit.

C). lungs.

At the knee, the femoral artery becomes the ________ artery. A). iliac B). deep femoral C). popliteal D). tibial E). peroneal

C). popliteal

At the level of the first rib, the axillary vein becomes the ________ vein. A). cephalic B). azygos C). subclavian D). innominate E). external jugular

C). subclavian

The vessel that receives blood from the head, neck, chest, shoulders, and arms is the: A). internal jugular vein. B). external jugular vein. C). superior vena cava. D). inferior vena cava. E). coronary sinus.

C). superior vena cava.

Which layer of a blood vessel contains concentric sheets of smooth muscle tissue? A). tunica intima B). external elastic membrane C). tunica media D). internal elastic membrane E). tunica externa

C). tunica media

The muscular layer of a blood vessel is the: A). tunica intima. B). tunica externa. C). tunica media. D). tunica interna. E). tunica adventitia.

C). tunica media.

The brachial artery branches to form the radial and ________ arteries. A). axillary B). digital C). ulnar D). subclavian E). brachiocephalic

C). ulnar

Which of the following is not a characteristic of venous valves? A). preventing backflow of blood B). channeling blood away from the heart C). channeling blood toward the heart D). permit blood flow in one direction only E). all of these

B). channeling blood away from the heart

Near the level of vertebra L4, the aorta branches to form the ________ arteries. A). common carotid B). common iliac C). femoral D). tibial E). popliteal

B). common iliac

Branches off the aortic arch include the: A). brachiocephalic trunk. B). left subclavian artery. C). left common carotid artery. D). all of these E). none of these

D). all of these

Veins of the upper arm include the ________ vein(s). A). basilic B). cephalic C). brachial D). all of these E). none of these

D). all of these

The radial and ulnar veins fuse to form the ________ vein. A). azygos B). hemiazygos C). axillary D). brachial E). basilic

D). brachial

Blood from the brain returns to the heart through the ________ vein. A). vertebral B). azygos C). innominate D). internal jugular E). external jugular

D). internal jugular

After blood leaves the capillaries, it enters the: A). arteries. B). arterioles. C). capillaries. D). venules. E). veins.

D). venules.

Arrange the structures in the following list in the order that blood will encounter as it flows from the heart back to the heart in the cardiovascular flow circuit 1. venules 2. arterioles 3. capillaries 4. elastic arteries 5. medium veins 6. large veins 7. muscular arteries A). 7, 4, 2, 3, 1, 5, 6 B). 6, 5, 1, 3, 2, 7, 4 C). 5, 6, 1, 3, 2, 7, 4 D). 2, 7, 6, 3, 1, 5, 6 E). 4, 7, 2, 3, 1, 5, 6

E). 4, 7, 2, 3, 1, 5, 6

The vein that is formed from the fusion of the subclavian with the internal and external jugulars is the ________ vein. A). azygos B). hemiazygos C). axillary D). iliac E). brachiocephalic

E). brachiocephalic

Which of the following layers of a vessel contains collagen fibers with scattered bands of elastic fibers? A). tunica intima B). external elastic membrane C). tunica media D). internal elastic membrane E). tunica externa

E). tunica externa

The large vessels that return blood to the heart are called: A). arteries. B). arterioles. C). capillaries. D). venules. E). veins.

E). veins.