Chapter 9 Muscle Tissue Quiz

Muscles attach to bone by:

The fascicle is covered by _______, which is then covered by ________ in the muscle.

The fascicle from outside to inside: _______ covers the fascicle, then a layer of __________ which houses the _____ ________.

What are the organizational levels of the skeletal muscle?

Levels of -mysium from outer to inner?

The ____ is one small part of the myofibril?

Muscle cells at rest are more ________ inside than outside .

Changing membrane potential requires what?

What are the four elements that are Hi/Lo inside and outside the cell?

How can the cell become positive inside?

Ions can't go through the lipid membrane, so what do the ions do to get inside?

What has the same concentration of ions as the extracellular fluid?

When a large number of muscle fibers are activated at once is called?

When the muscle has a high level of stimulation this is called?

Other than spatial and temporal summation, what are the other 2 ways to increase the force of contraction?

Which two ways of increasing the force of contraction are labeled as "try harder"?

A motor neuron and all the muscle cells it stimulates is called a ?

When myosin heads create force and shortens the muscle ?

When myosin heads create force but does not shorten the muscle?

What are the striations of the muscle called?

Thick filaments are full of _______ ?

Thin filaments are full of _______ ?

Long term activity (hours) is called _______ and short term activity (1 minute) is called ______.

What are the 3 steps of enzyme reactions?

Which colored muscle cells have lots of myoglobin molecules, mitochondria, and more blood vessels?

Which colored muscle cells have few myoglobin, few mitochondria, lots of glycogen, and lots of creatine phosphate?

Legs have a higher proportion of ________ that make ATP aerobic?

Arm muscles have a high proportion of _________ that make ATP anaerobic?