Hole's Human Anatomy & Physiology (Shier), 12th Edition

Learning Outcome 9.1

1			Which of the following types of muscle are found in the stomach?
			A)	cardiac
			B)	skeletal
			C)	visceral
			D)	striated

Learning Outcome 9.3

2			The fiber cell membrane is termed the _____ .
			A)	myofibril
			B)	myosin
			C)	myofilament
			D)	sarcolemma

Learning Outcome 9.3

3			The smallest, functional unit of contraction is the _____.
			A)	fiber
			B)	sarcomere
			C)	filament
			D)	myofibril

Learning Outcome 9.5

4			The period of time between the stimulus and contraction is called the _____.
			A)	latent period
			B)	refractory period
			C)	contraction period
			D)	relaxation period

Learning Outcome 9.14

5			The following cause smooth muscles to contract except which one?
			A)	acetylcholine
			B)	troponin
			C)	norepinephrine
			D)	oxytocin

Learning Outcome 9.3

6			The myofilaments are comprised of myofibril units.
			A)	True
			B)	False

Learning Outcome 9.3

7			The motor end plate is the specialized thickened membrane of the muscle fiber.
			A)	True
			B)	False

Learning Outcome 9.4

8			The tropomyosin-troponin complexes block the active sites on the actin preventing the contraction.
			A)	True
			B)	False

Learning Outcome 9.5

9			Troponin is a muscle protein whose chemical activity causes contraction of muscle fibers.
			A)	True
			B)	False

Learning Outcome 9.5

10			Acetylcholine causes the release of calcium from the sarcoplasmic reticulum.
			A)	True
			B)	False