Muscular System Test Review

Where do you find cardiac muscle?

• heart

• stomach

• lungs

• arms

The dark band in skeletal muscle that contributes to its striated appearance is known as

• I band

• Z band

• H band

• A band

The connective tissue that surrounds the entire muscle is

• perimysium

• endomysium

• epimysium

• elastin

______ and ______ work together to allow muscles to contract.

• ATP, Calcium

• smooth muscle, cardiac muscle

• Electrolytes, Phosphorous

• hemoglobin, plasma

The sliding filament theory explains which of the following?

• muscle extensions

• muscle inductions

• muscle contractions

• muscle formation

• Pectoral
• Tricep
• Bicep
• Deltoid

What happens to a sarcomere during a myosin power stroke?

• A sarcomere, H zone, & I band shortens during the power stroke.

• A sarcomere, H zone & I band lengthen during the power stroke

• A sarcomere length is unchanged

• The sarcomere, H zone and A band shorten during the power stroke

The muscles that oppose an action.

• agonist

• prime mover

• antagonist

• synergist

The energy needed to perform a muscle contraction comes directly from

• ATP

• Oxygen

• Glucose

• Calcium

Tags

NGSS.HS-LS1-7

• Rectus Abdominis

• External Oblique

• Pectorals

• Trapezius