Smooth Muscle Differs from Both Cardiac and Skeletal Muscle in That

question 41

Multiple Choice

Smooth muscle differs from both cardiac and skeletal muscle in that

• A) it can act as a pacemaker for rhythmic contractions.
• B) contractions of smooth muscle are not due to Ca²⁺ influx into the sarcoplasm.
• C) neighboring cells in smooth muscle are electrically coupled by gap junctions.
• D) neighboring cells in smooth muscle are tightly connected by intercalated discs.
• E) its actin and myosin show no repeating pattern of arrangement when viewed under a microscope.

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Definitions:

Conservation Of Matter

A fundamental principle of classical physics that states that matter cannot be created or destroyed in an isolated system.

Abstract Terms

Words that represent ideas, concepts, or qualities that are not directly linked to sensory experiences.

Perspective

The art of delineating solid objects on a two-dimensional surface to give the right impression of their height, width, depth, and position in relation to each other.

Imaginative Play

A form of play in which children use their imagination to create scenarios and roles, often involving make-believe.