Which of the following most accurately describes a motor unit?

A. a single muscle fiber and a single motor neuron
B. a single motor neuron and all muscle fibers it innervates
C. a single muscle fiber and several motor neurons
D. none of the above


B. a single motor neuron and all muscle fibers it innervates

Anatomy & Physiology

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As a muscle cell undergoes an eccentric contraction, sarcomere length will ________ as the length of the A band ________.

What will be an ideal response?

Anatomy & Physiology

____________________ amnesia is the inability to consolidate memory in long-term storage for later retrieval

Fill in the blank(s) with correct word

Anatomy & Physiology

An increase in white blood cell number at sites of injury, which is characteristic of inflammation, is called ________.

A. chemotaxis B. leukocytosis C. leukemia D. diapedesis

Anatomy & Physiology

What happens first in the process of fat digestion?

A. Breakdown by hydrochloric acid B. Emulsification by bile salts C. Movement into lacteal D. Hydrolysis by lipase

Anatomy & Physiology