TBHW Quiz: Muscular System

Which is the best answer to #1?

• from the Latin word "mus" meaning "little mouse"

• from the Latin word "mus" meaning "little ripples"

• from the Latin word "myo" meaning "little cylinders"

• from the Latin word "myo" meaning "bellies"

There are three answers to #3. Which three are correct?

• myo-

• sarco-

• mys-

• actino-

• fibro-

What is the best answer to #4? There are three correct answers.

• striated

• visceral

• voluntary

• skeletal

• smooth

What is the best answer to #6? Remember to choose the answer in the order of most superficial to most deep.

• endomysium, perimysium, epimysium

• perimysium, endomysium, epimysium

• epimysium, endomysium, perimysium

• epimysium, perimysium, endomysium

In #11, your textbook uses boxcars of a train as an analogy to sarcomeres.

• true

• false

For #16, the step that involves the binding of Acytlcholine to ligand-gated sodium channels occurs in

• step 1

• step 3

• step 5

• step 4

• step 6

What is the best answer to #18?

• sarcomere; to prevent further contraction.

• sarcomere; to prevent the contraction from slipping backward during contraction

• motor unit; to prevent further contraction.

• motor unit; to prevent the contraction from slipping backward during contraction

In the diagram in #21, which letter illustrates forced (complete) tetanus?

• letter a

• letter b

• letter c

• letter d

In the diagrams for #24, what was labeled for letter M?

In the diagrams for #24, what was labeled for letter S?