Fluoxetine (Prozac) is a serotonin re-uptake inhibitor. Serotonin is generally an excitatory neurotransmitter; therefore, one would expect using fluoxetine to result in ___________ in the post-synaptic neuron
a. action potentials of greater amplitude to be conducted
b. an increase in the conduction velocity of action potentials
c. graded potentials of lesser amplitude
d. graded potentials of shorter duration
e. graded potentials of longer duration
E
You might also like to view...
In general, polar molecules diffuse more rapidly through the lipid bilayer part of cell membranes than do nonpolar molecules. This statement is
A. true. B. false, because polar molecules diffuse through less rapidly because the bilayer is polar throughout its width. C. false, because nonpolar molecules diffuse through more rapidly because much of the bilayer is nonpolar. D. false, because polar molecules diffuse through less rapidly because the bilayer is nonpolar throughout its width. E. false, because the rate of diffusion of nonpolar and polar molecules through the bilayer is essentially the same as long as the molecules are the same size.
Smooth muscle contractions that propel materials and mix them with secretions in the digestive tract are controlled by output of the ________ nerve.
Fill in the blank(s) with the appropriate word(s).
The intensity or ____________________ of a sound depends on the ____________________ of the sound waves
Fill in the blank(s) with correct word
Which does NOT apply to hormones?
A. They are chemical regulators that are conveyed from one organ to another via the bloodstream. B. In some cases, the same chemical substances can also function as local regulators and/or neurotransmitters. C. All hormones are derived from cholesterol. D. They are secreted into the blood by ductless glands. E. They are sometimes secreted by neural tissue.