An ion is an atom or group of atoms that has
A. a different number of neutrons than most atoms of that element.
B. lost or gained an electron.
C. lost or gained a proton.
D. a biological half-life due to radioactive decay.
Answer: B
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An adolescent grows in height mainly because of events that occur in the __________ of the skeleton.
A. medullary cavities B. metaphyses C. endosteum D. epicondyles E. hemopoietic tissue
If the reticular formation is injured, the person might exhibit signs of
A. hyperactivity. B. increased metabolism. C. unconsciousness, or coma. D. increased sympathetic system responses.
Urea is made in the
A) Kidney. B) Spleen. C) Liver. D) Bladder.
The tarsal bone that articulates with the tibia and the fibula is the
A. talus. B. cuboid. C. navicular. D. calcaneus. E. patella.