In order to prevent a patient from experiencing pain, local anesthetics must ________ in sensory neurons, which would prevent an action potential.

A. bind to calcium channels
B. bind to sodium channels
C. inhibit the release of acetylcholine
D. bind to potassium channels


Answer: B

Anatomy & Physiology

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The heart is part of the ______ system

Fill in the blank(s) with correct word

Anatomy & Physiology

The ________ nerve carries information about odors via fibers that pass through the cribriform plate.

What will be an ideal response?

Anatomy & Physiology

The general functions of the plasmalemma include

A) structural support of the cell. B) sensitivity to changes in the extracellular fluid. C) physical isolation of the cell contents from the extracellular fluid. D) regulation of exchange of materials with the environment. E) All of the answers are correct.

Anatomy & Physiology

Which of the following nerves supplies motor innervation to a muscle that when contracted turns the head to the opposite side?

A. Hypoglossal B. Vagus C. Ansa cervicalis D. Spinal accessory E. Facial

Anatomy & Physiology