Which of the following lists contains only trace elements?

A) sulfur, chlorine, oxygen
B) selenium, hydrogen, calcium
C) boron, oxygen, carbon
D) silicon, fluorine,
E) cobalt, calcium, sodium


Answer: D

Anatomy & Physiology

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A ________ is a large rough proximal projection on a bone

A) ramus B) trochanter C) tuberosity D) tubercle E) condyle

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Which organ is NOT found in the thoracic cavity?

A) heart B) primary bronchi C) lung D) liver

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Which organ or structure is clearly visible in a 4-week-old embryo?

A) Fingers B) Eyes C) Ears D) Fingers, eyes, and ears are all clearly visible.

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