The smallest unit of any element is a(n) ________.
A. molecule
B. compound
C. atom
D. macromolecule
E. electron
Answer: C
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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.
Simple mastectomy for breast cancer involves removal of:
A) all breast tissue and the underlying muscles. B) the nipple and areola. C) only one breast quadrant. D) all breast tissue superficial to the retromammary space. E) all of the lymph nodes that drain the breast.
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
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.