Sympathetic stimulation of the AV node reduces the AV nodal delay by increasing conduction velocity as a result of enhancing the inward current of what element?

a. potassium
b. phosphorus
c. sodium
d. calcium
e. iron


d

Anatomy & Physiology

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The meninges from the outermost to the innermost layer are the ____________________, the ____________________, and the ____________________

Fill in the blank(s) with correct word

Anatomy & Physiology

Which structure acts as a transducer in the spiral organ?

A. Tectorial membrane B. Stereocilium C. Round window D. Basilar membrane E. Inner hair cell

Anatomy & Physiology

The general term that describes energy stored in chemical bonds is

A) potential energy. B) kinetic energy. C) bioenergetics. D) entropy. E) thermodynamics.

Anatomy & Physiology

The expected response to the triceps-jerk reflex is

A) plantar flexion. B) plantar extension. C) extension of the forearm. D) flexion of the forearm.

Anatomy & Physiology