MUSCULAR SYSTEM

Which one of the muscle types is found within ONLY in the heart, but not in bone?

B. Cardiac muscle

A. CLT

C. Smooth muscle

D.CNS

Which of the abilities of skeletal muscle has the ability to stretch?

A. contractility

B. stretchity

C. elasticity

D. All of the above

It is the thin myofilament

A. mayofilament

B. myosin

C. Z-disk

D. actin

The_______ is the functional unit of skeletal muscle because it is the smallest portion capable of ____________

A. sarcomere,receiving a stimulus

B. sarcomere,contracting

C. Muscle fiber, contracting

D. Muscle fiber, receiving stimulus

All of the following describe the characteristics of acetylcholine , except:

A. Causes an influx of sodium ions into the muscle cell when bound to its receptor

B. Is broken down by acetylcholinesterase

C. Is the neurotransmitter at the neuromuscular junctiom

Which type of muscle is responsible for involuntary movements?

Cardiac muscle

Skeletal muscle

Smooth muscle

Striated muscle

Which type of muscle is responsible for voluntary movements?

Cardiac muscle

Skeletal muscle

Smooth muscle

Striated muscle

Which type of muscle is found in the walls of blood vessels and digestive organs?

Cardiac muscle

Skeletal muscle

Smooth muscle

Striated muscle

Which type of muscle is responsible for the movement of bones?

Cardiac muscle

Skeletal muscle

Smooth muscle

Striated muscle

Which type of muscle has a striped or striated appearance under a microscope?

Cardiac muscle

Skeletal muscle

Smooth muscle

Striated muscle

MUSCULAR SYSTEM

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