Medical Quiz

Topics: Cell and Muscle Histology Quiz

What do you call #1?

A. A-band

B. I-band

C. M-line

D. Z-disc

E. H-zone

Select your answer:
     


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Which feature typifies T-tubules?

A. Evaginations of the sarcoplasmic reticulum

B. Sequester calcium during muscle relaxation, releasing it during contraction

C. Carry depolarization to the muscle fiber interior

D. Overlie the A-I junction in cardiac muscle cells

E. Rich supply of acetylcholine receptors