Multiple Choice
In a skeletal muscle fiber, which structure would you expect to have the greatest total surface area?
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9. Muscle Tissue
Steps of Muscle Contraction
Back9. Muscle Tissue
Steps of Muscle Contraction
- Multiple Choice
Which part of the cross-bridge cycle is called the power stroke?
1156views19rank - Multiple Choice
What would happen if a muscle completely ran out of ATP during a muscle contraction.
1233views31rank - Multiple ChoiceThe final "go" signal for skeletal muscle contraction is __________.2136views1rank
- Multiple ChoiceThe space between the axon terminus of the neuron and the sarcolemma of the muscle fiber is the __________.1967views2rank
- Multiple ChoiceChoose the true statement.2204views6rank
- Multiple ChoiceDuring the phase of excitation-contraction coupling of skeletal muscle, what occurs immediately after the action potential spreads down the T tubule?2542views2rank
- Multiple ChoiceThe alternating contraction and relaxation of opposing layers of smooth muscle is referred to as __________.2120views4rank
- Multiple ChoiceWhat is the ion released from the terminal cisternae that combines with troponin and removes the blocking action of tropomyosin, resulting in the formation of cross bridges?1929views4rank
- Multiple ChoiceThe type of muscle contraction in which the muscle fibers produce increased tension although the muscle neither shortens nor lengthens is called __________.1824views4rank
- Multiple ChoiceMuscle cells initiate nerve impulses.1651views2rank
- Multiple ChoiceIn the sliding filament model of muscle contraction, the myofilaments slide over each other, resulting in the overlapping of actin and __________.2394views1rank
- Multiple ChoiceWhich one of the following binds calcium ions in a smooth muscle, causing contraction?1946views2rank
- Multiple ChoiceWhen an action potential arrives at the neuromuscular junction, the most immediate result is __________.2450views1rank
- Multiple ChoiceContinued mild or partial contraction of a muscle that keeps it healthy and ready to respond is known as muscle __________.2239views5rank