Which nerve innervates the muscles of the posterior arm and forearm?

A. Musculocutaneous
B. Radial
C. Ulnar
D. Median
E. Brachial


B. Radial

Anatomy & Physiology

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The age-related condition resulting from decreased lens elasticity is known as ________

A) hemianopia B) strabismus C) presbyopia D) myopia E) hyperopia

Anatomy & Physiology

A graded potential is one that

A. lasts for several seconds after ion channels have opened, closed, and reset. B. travels the length of the nerve fiber (is long-distance). C. varies in size depending on the magnitude of the stimulus (larger voltage change for stronger stimulus). D. is all or none (always the same intensity).

Anatomy & Physiology

The appendix is typically found in the right lower quadrant

Indicate whether the statement is true or false

Anatomy & Physiology

The proximal radioulnar joints have ________ articulations.

A) saddle type B) hinge C) ball and socket D) ellipsoidal E) pivot

Anatomy & Physiology