Sarcomere Anatomy Quiz
Preview:
How many types of myofilaments make up the sarcomere?
A. 1
B. 2
C. 4
D. 8
Which myofilament is thick?
A. Myosin
B. Collagen
C. Elastin
D. Acetylcholine
Which part of a sarcomere contains only thick filaments?
A. I band
B. A band
C. H zone
D. Z zone
Which part of the sarcomere is the dark band?
A. I band
B. H zone
C. Z line
D. A band
Which myofilament pulls the other one when a muscle contracts?
A. Actin pulls myosin
B. Myosin pulls actin
Which myofilament is attached to the z line?
A. Actin
B. Myosin
Which part of the sarcomere is the line down the middle of the myosin?
A. Z line
B. I band
C. M line
What is the smallest unit of a muscle to contract?
A. Sarcomere
B. Myofibril
C. Muscle fiber
D. Myofilaments
Which part of a sarcomere contains only thin filaments?
A. I band
B. A band
C. H zone
D. M zone
Which myofilament has hands to grab the other one?
A. Actin
B. Myosin
Which part of a sarcomere contains BOTH actin and myosin myofilaments?
A. A band
B. I band
C. H zone
D. M line
Which part of the sarcomere is the light band?
A. I band
B. H zone
C. Z line
D. M line
Which part of a sarcomere is the wall between two different sarcomeres?
A. M line
B. Z line
Which myofilament is thin?
A. Collagen
B. Elastin
C. Actin
D. Myosin
