There are two major groups of nervous system drugs. Drugs in one group retard heartbeat, promote digestion, contract the eye pupil, etc. The other drugs have the opposite effect. These drugs are affecting the
A. cerebrum and cerebellum, respectively.
B. central and peripheral nervous systems.
C. sympathetic and parasympathetic nervous systems.
D. motor and sensory nerves.
E. neurostimulatory and neuroinhibitory synapses.
Answer: C
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A) the sudden change from the uterine environment to the air B) the overproduction of surfactants C) the incomplete development of the lung surface D) lung collapse due to inadequate production of surfactant E) mutations in the genes involved in lung formation
Molecular evidence indicates that the division between humans and African apes took place
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A. Chemolithohetertrophs B. Chemoorganoheterotrophs C. Photolithoautotrophs D. Chemolithoautotrophs
A common short, plump, shore bird with a worldwide distribution is the:
a. turnstone. b. pelican. c. avocet. d. plover. e. puffin.