1.Which region of the sarcomere contains thick and thin filaments? a. A band b. H band c. M line d. Z line 2.Which of the following proteins is NOT
1.Which region of the sarcomere contains thick and thin filaments?
a. A band
b. H band
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d. Z line
2.Which of the following proteins is NOT found in thin filaments?
a. Actin
b. Tropomyosin
c. Troponin
d. Titin
3. The sliding filament theory explains the process that causes?
a. excitation-contraction coupling to produce muscle fiber relaxation
b. sarcomeres to shorten as tin and thick filaments slide past each other
c. Z lines to move farther apart as thin and thick filaments slide past each other
d. an action potential to travel down the T-tubules into the sarcolemma
4. What is true about creatine phosphate?
a. It is produced by the process of anaerobic respiration
b. It acts as an energy reserve in muscle tissue
c. It can replace ATP in binding to myosin molecules during contraction
d. It cannot transfer its phosphate group to ADP
5. Which muscle elevates the tongue?
a. Geniohyoid
b. Genioglossus
c. Hyoglossus
d. Palatoglossus
6. Which muscle connects the ribs and sternum to the pubic bones?
a. External intercostals
b. External oblique
c. Transversus abdominis
d. Rectus abdominis
7.Which of the following would be difficult with a torn calcaneal?
a. Flexion
b. Extension
c. Medial Rotation
d. Lateral rotation