EXAM

The characteristic of a muscle that allows it to be passively stretched is

• A. Conducivity

• B. Elasticity

• C. Excitability

• D. Extensibility

• E. Contractility

Which are possible functions of skeletal muscles?

A. Maintenance of posture

B. Both highly coordinated and localized simple movements

C. Temperature Regulation

D. Support of certain body organs

E. Regulation of the movement of material through certain body tracts

• A. a, b, e

• B. a, b, c

• C. a, b, c, e

• D. a, b, c, d

• E. a, b, c, d, e

The property of muscle tissue that allows an impulse to travel down the entire length of the cell membrane is

• A. Elasticity

• B. Conductivity

• C. Extensibility

• D. Contactility

• E. Responsibility

The spring-like property that returns muscle to its original length after a contraction ends is

• A. Extensibility

• B. Elasticity

• C. Contracility

• D. Treppe Effect

• E. Conductivity

In general, a skeletal muscle is composed of

A. Connective tissue sheaths

B. Nerves

C. Arteries

D. Veins

E. Muscle fibers

• A. a, b, c, e

• B. a, b, d, e

• C. b, c, d, e

• D. a, b, c, d

• E. a, b, c, d, e

Which is a correct listing of the hierarchy of a skeletal muscle's components, beginning with the smallest?

A. Myofibrils

B. Muscle fiber

C. Fascicle

D. Skeletal Muscle

• A. a, b, c, d

• B. a, c, b, d

• C. d, c, b, a

• D. c, b, a, d

• E. b, c, a, d

Which is the correct order of the connective tissue layers of a skeletal muscle, beginning with the most superficial?

A. Endomysium

B. Epimysium

C. Perimysium

• A. a, b, c

• B. b, a, c

• C. c, a, b

• D. b, c, a

• E. c, b, a

The structure responsible for attaching muscle to a bone is a

• A. Sphincter

• B. Ligament

• C. Fascia

• D. Tendon

• E. Myofibril

A flat, thin structure made of dense connective tissue that serves to attach a muscle to a bone (or to another muscle) is a(n)

• A. Aponeurosis

• B. Tendon

• C. Perimysium

• D. Myolemma

• E. Superficial fascia

The neurons that stimulate muscle contraction are called _____ neurons.

• A. Sensory

• B. Contractile

• C. Inhibitory

• D. Motor

• E. Association