When an atom gains one or more electrons, it ________.
A. has no change in its charge
B. is called an anion
C. becomes positively charged
D. is called a cation
Answer: B
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Antagonistic effects of the two divisions of the autonomic nervous system are exemplified in the control of ________.
A. sweating B. gastrointestinal motility C. hair erection D. blood clotting E. blood flow to the skeletal muscles
The cervical enlargement of the spinal cord is associated with the upper limbs, whereas the lumbar enlargement is associated with the lower limbs.
Answer the following statement(s) true (T) or false (F)
For most chemical reactions, an increase in temperature will cause the reaction rate to
A. remain unchanged. B. increase. C. decrease.
Match the structure of the ear with the appropriate description.A. EardrumB. Part of the ear that contains the organ of hearingC. Includes the pinna and external auditory canalD. Fleshy portion of the external earE. Air-filled space within the temporal boneInner ear
Fill in the blank(s) with the appropriate word(s).