Which of the following combining forms refers to the urinary bladder?
A. cyt/o
B. ur/o
C. ren/o
D. cyst/o
Answer: D
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A) arm B) base C) body tube D) nosepiece
What is needed to return a membrane to its resting membrane potential, with all ions in the correct locations?
A. Na+/K+ pump action B. Outflow of K+ ions via passive ion channels C. Outflow of Na+ ions via passive ion channels D. Influx of negatively charged ions into the cell
You are studying the role of a newly discovered neurotransmitter. You find that there are receptors for this neurotransmitter on interneurons in the brain and that when it binds, it causes the opening of K+ channels. What can we expect of the postsynaptic cells under influence of this neurostransmitter?
A. There will be no change to the membrane potential in the postsynaptic cell. B. The postsynaptic cell will undergo an IPSP. C. The postsynaptic cell will undergo an EPSP. D. The postsynaptic cell will immediately undergo an action potential.
Sympathetic and parasympathetic fibers that innervate the heart pass through the
A) celiac plexus. B) hypogastric plexus. C) cardiac plexus. D) sphenopalatine ganglia. E) otic ganglia.