Multiple Choice
As blood passes through actively contracting skeletal muscle, which of the following changes is most likely to occur?
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4. Tissues & Histology
Introduction to Muscle Tissue
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Which property allows muscle cells to stretch to as much as three times their contracted length?
A
Extensibility
B
Excitability
C
Elasticity
D
Contractility
Verified step by step guidance1
Understand the definitions of the terms provided in the options: Extensibility, Excitability, Elasticity, and Contractility.
Recall that 'Extensibility' refers to the ability of a muscle to be stretched beyond its normal resting length without damage.
Note that 'Excitability' refers to the ability of a muscle to respond to stimuli, such as nerve signals.
Recognize that 'Elasticity' refers to the ability of a muscle to return to its original shape after being stretched or contracted.
Understand that 'Contractility' refers to the ability of a muscle to shorten and generate force. Based on these definitions, identify which property allows muscle cells to stretch to as much as three times their contracted length.
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