Multiple Choice
Myofilament cross bridges form when which two structures bond?
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9. Muscle Tissue
Steps of Muscle Contraction
Multiple Choice
All of the following terms refer to the ability to receive and respond to a stimulus EXCEPT __________.
A
contractility
B
excitability
C
irritability
D
responsiveness
Verified step by step guidance1
Begin by understanding the definitions of each term provided in the options. This will help you identify which term does not fit the concept of receiving and responding to a stimulus.
Define 'excitability': In physiology, excitability refers to the ability of a cell or tissue to respond to a stimulus, typically by generating an electrical signal or action potential.
Define 'irritability': This term is often used interchangeably with excitability and refers to the ability of a cell or tissue to react to a stimulus.
Define 'responsiveness': Responsiveness is the general ability of an organism or cell to respond to changes in its environment, which includes reacting to stimuli.
Define 'contractility': Contractility refers to the ability of muscle cells to contract or shorten, which is not directly related to the ability to receive and respond to a stimulus. This term is more about the action following the response rather than the initial reception of the stimulus.
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