A Single Motor Neuron Together with All the Muscle Fibers

question 115

Multiple Choice

A single motor neuron together with all the muscle fibers it innervates is called a(n)

• A) end foot.
• B) end plate.
• C) motor unit.
• D) dermatome.
• E) myotome.

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Definitions:

Tetralogy of Fallot

A congenital heart defect that includes four abnormalities: a large ventricular septal defect, pulmonary stenosis, right ventricular hypertrophy, and an overriding aorta.

Systolic Murmur

A heart sound indicating turbulent blood flow that occurs during the heartbeat's systolic phase, often implying valvular heart disease or other circulatory issues.

Patent Ductus Arteriosus

A congenital heart defect where the ductus arteriosus fails to close after birth, allowing blood to flow between the aorta and the pulmonary artery.

Persistent Tachycardia

A consistent rapid heart rate exceeding the normal resting rate, which may indicate an underlying medical condition.