True/False

Please answer all questions

1		Muscle contraction requires a ready supply of ATP. (p. 226)
			A)	True
			B)	False
2		Muscles are covered with several layers of connective tissue called fascia. (p. 227)
			A)	True
			B)	False
3		Sarcomeres are the structural units of a myofibril. (p. 227)
			A)	True
			B)	False
4		The contractile elements of muscle fibers are called action potentials. (p. 231)
			A)	True
			B)	False
5		The region where a synaptic bulb lies in close proximity to the sarcolemma of a muscle fiber is called a neuromuscular junction. (p. 232)
			A)	True
			B)	False
6		Fast-twitch fibers tend to be aerobic. (p. 237)
			A)	True
			B)	False