Some Muscle Cells Have Pacemaker Activity. These Include

question 48

Multiple Choice

Some muscle cells have pacemaker activity. These include

• A)skeletal muscle only.
• B)skeletal, smooth, and cardiac muscle.
• C)smooth and cardiac muscle only.
• D)smooth muscle only (single- unit or multi- unit).
• E)skeletal and smooth muscle only.

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Definitions:

Dual Hydraulic Circuits

A safety feature in hydraulic brake systems where the circuit is split into two independent paths to ensure braking capability even if one path fails.

Mechanical Parking Brakes

A system that uses a mechanical linkage and force to secure a stationary vehicle by inhibiting wheel movement.

DOT 4 Hydraulic

A type of hydraulic fluid specified by the Department of Transportation (DOT) for use in brake and clutch systems, known for its high boiling point.

Atmospheric Air

The natural air found in the Earth's atmosphere, composed of nitrogen, oxygen, and trace amounts of other gases, at conditions prevailing at any specific location and time.