The smallest unit of any element is a(n) ________.

A. molecule
B. compound
C. atom
D. macromolecule
E. electron


Answer: C

Anatomy & Physiology

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Simple mastectomy for breast cancer involves removal of:

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The type of chemical bond formed when ions with opposite electrical charges

attract is a(n) ________ bond. Fill in the blank(s) with correct word

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Stretch reflexes

A. cause the removal of limbs from painful stimuli. B. are learned voluntary responses. C. aid in maintaining proper posture. D. prevent muscles from being damaged by excessive tension. E. prevent falling.

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Parathyroid hormone and calcitriol

A.  stimulate osteoclasts to resorb bone and release calcium into the blood. B.  stimulate osteoblasts to deposit bone by producing calcified matrix. C.  stimulate osteoblasts to resorb bone and lower blood calcium levels. D.  stimulate osteoclasts to move calcium from the blood and into the bone.

Anatomy & Physiology