What allows the action potential to travel quickly?

A. Polarization
B. Nodes of Ranvier
C. Trigger zone
D. Myelination of the axon


Answer: D

Anatomy & Physiology

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The T-tubular membrane contains ________ receptors that are ________ and therefore respond to action potentials. This receptor is mechanically linked to ________ receptors in the adjacent sarcoplasmic reticulum.

What will be an ideal response?

Anatomy & Physiology

An uncastrated male bovine is a ________

Fill in the blank(s) with correct word

Anatomy & Physiology

Which of the following is NOT a function of the Latissimus Dorsi muscle?

a) External rotation b) Internal rotation c) Extension d) Adduction

Anatomy & Physiology

What portion of the brainstem blends with the spinal cord after passing through the foramen magnum?

A) pons B) medulla oblongata C) midbrain D) hypothalamus

Anatomy & Physiology