HBS - Labeling a Sarcomere

Which letter represents the A-band?

• A

• B

• C

• D

• E

Which letter represents the H-band?

• A

• B

• C

• D

• E

Which letter represents the I-band?

• A

• B

• C

• D

• E

In a contracted muscle fiber, identify what occurs within the following area of the sarcomere - H band and I band length.

• increase

• decrease

• stay the same

In a contracted muscle fiber, identify what occurs within the following area of the sarcomere - sarcomere length.

• increase

• decrease

• stay the same

In a contracted muscle fiber, identify what occurs within the following area of the sarcomere - zone of overlap length.

• increase

• decrease

• stay the same

Which letter represents the M-Line?

• F

• A

• H

• D

• G

Which letter represents the Z-disc/line?

• F

• A

• B

• E

• G

Which letter represents one sarcomere?

• F

• A

• H

• D

• G

Which letter represents myosin fibers?

• F

• A

• H

• D

• G