The color receptors in the retina are most sensitive to light waves that are

A) red, blue, and yellow. B) green, yellow, and purple.
C) red, green, and blue. D) orange, green, and purple.


C

Anatomy & Physiology

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Which structure of the eye contains blood vessels and lymphatic vessels?

A) retina B) fibrous layer C) sclera D) vascular layer E) neural layer

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The first step in using amino acids as fuel is to ________ them.

A. digest B. transaminate C. synthesize D. aminate E. deaminate

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The pacemaker of the heart is normally what structure?

A. sinoatrial node B. atrioventricular node C. mitral valve D. bundle of His E. left ventricle

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Blood is classified as ________.

A. epithelial tissue B. nerve tissue C. connective tissue D. muscle tissue

Anatomy & Physiology