Please answer all questions

1		The AV node is called the pacemaker because it usually maintains a regular heartbeat.
			A)	True
			B)	False
2		A cardiac center in the brain alters the heartbeat by way of the autonomic nervous system.
			A)	True
			B)	False
3		The parasympathetic system promotes functions associated with normal activities.
			A)	True
			B)	False
4		Diastole refers to contraction of the heart muscle.
			A)	True
			B)	False
5		Movement of blood through the venous system is due to skeletal muscle contraction.
			A)	True
			B)	False
6		Hemorrhoids are a type of varicose vein.
			A)	True
			B)	False
7		Aspirin is recommended for patients who have symptoms of angina or a stroke.
			A)	True
			B)	False
8		The movement of lymph within lymphatic vessels is dependent upon skeletal muscle contraction.
			A)	True
			B)	False