Muscular System Review

Each muscle fiber is enclosed in a delicate connective tissue sheath called an _________?

• Epimysium

• Endomysium

• Fascicle

• Tendons

Several sheathed muscle fibers are then wrapped by a coarser fibrous membrane called a ________?

• Perimysium

• Fascicle

• Endomysium

• Epimysium

A bundle of fibers is called a _________?

• Smooth Muscle

• Perimysium

• Tendons

• Fascicle

Smooth muscle has no _________ and is involuntary.

• Striations

• Lines

• Tendons

• Joints

Cardiac Muscle is found in only one place in the body which is the _________?

• Lung

• Heart

• Gluteus Maximus

• Kidney

Many oval nuclei can be seen just beneath the plasma membrane, which is called the ________?

• Sarcolemma

• Nuclei

• Tendon

• Sheath

The nuclei are pushed aside by long ribbonlike organelles called________?

• Cardiac Muscle

• Bands

• Myofibrils

• Sarcomeres

Bending the knee, rotating the arms, and smiling are all examples of ________ contractions?

• Isotonic

• Isometric

• Isogenic

• Isomeric

Contractions in which the muscles do not shorten are called ________ contractions?

• Isomeric

• Isogenic

• Isotonic

• Isometric

This state of continuous partial contractions is called________?

• Muscle Tone

• Muscle Imbalance

• Muscle Endurance

• Muscle Aerobics