Choose the best answer.

1			The anterior and posterior communicating arteries are found in ___________________________
			A)	the neck.
			B)	the circle of Willis.
			C)	the branches of the celiac trunk.
			D)	the elbow.
2			All of the following are supplied by branches of the celiac trunk EXCEPT __________________
			A)	the spleen.
			B)	the liver.
			C)	the small intestines.
			D)	the stomach.
3			At any given moment, most of the body's blood is in _______________________
			A)	the veins.
			B)	the arteries.
			C)	the heart.
			D)	the capillaries.
			E)	the lungs.
4			Which of the following does NOT increase the risk of atherosclerosis?
			A)	smoking
			B)	a sedentary lifestyle
			C)	a high-fiber diet
			D)	stress
			E)	a diet high in cholesterol
5			The hepatic portal vein receives blood from all of the following EXCEPT ____________________
			A)	the splenic vein.
			B)	the superior mesenteric vein.
			C)	the pancreatic vein.
			D)	the hepatic veins.
6			What layer of the vessel wall facilitates vasoconstriction and vasodilation?
			A)	the tunica externa
			B)	the tunica adventitia
			C)	the tunica interna
			D)	the tunica media
7			What is the function of the ductus venosus?
			A)	It is a shunt between the right and left atria that bypasses the fetal lungs.
			B)	It is a shunt that flows between the umbilical vein and inferior vena cava and bypasses the liver.
			C)	It is a shunt between the umbilical vein and aorta that rapidly passes maternal blood to the fetus.
			D)	It is a shunt between the pulmonary trunk and the aorta that bypasses the fetal lungs.
8			Which of the following is associated with veins but not arteries?
			A)	a tunica media with abundant smooth muscle
			B)	continuous endothelium
			C)	a tunica media with abundant elastic fibers
			D)	valves
9			To get from the subclavian artery to the brachial artery, blood must flow through the ____________________.
			A)	common carotid a.
			B)	radial a.
			C)	ulnar a.
			D)	axillary a.
10			The layer of a vessel wall that contains ________________ is the tunica media.
			A)	cardiac muscle
			B)	smooth muscle
			C)	skeletal or striated muscle
			D)	valves
11			The inflammation of a vein, causing pain and tenderness, is called a/n _______________________.
			A)	embolism
			B)	phlebitis
			C)	thrombocytopenia
			D)	varicosity
12			Atherosclerosis normally does NOT cause which of these long term effects?
			A)	stroke
			B)	renal failure
			C)	heart failure
			D)	Raynaud disease
13			The umbilical cord normally contain(s) how many vein(s)?
			A)	1
			B)	2
			C)	3
			D)	4
14			The development of blood vessels in both the embryo and later in life is called __________________.
			A)	angiogenesis
			B)	thrombocytopenia
			C)	atherosclerosis
			D)	phlebitis
15			This failure of the valve cusps of the superficial veins can cause a condition called _________________.
			A)	embolism
			B)	varicose veins
			C)	aneurysm
			D)	atherosclerosis
16			An abnormal bulge in an artery is called a/n _________________.
			A)	aneurysm
			B)	sinus
			C)	embolism
			D)	varicosity
17			What is the vessel that divides into the common iliac veins?
			A)	brachialcephalic veins
			B)	external iliac vein
			C)	inferior vena cava
			D)	superior vena cava
18			What are the vessels that go to the diaphragm?
			A)	phrenic
			B)	herneated
			C)	celiac trunk
			D)	colonic
19			What is the name of the vessel that the left gonadal vein usually directly empties into?
			A)	common iliac vein
			B)	inferior vena cava
			C)	left renal vein
			D)	hepatic portal vein