Acetylcholine is released by _____ postganglionic neurons and is removed from the synaptic cleft at a _____ rate than norepinephrine
a) sympathetic; slower
b) sympathetic; faster
c) parasympathetic; slower
d) parasympathetic; faster
e) both parasympathetic and sympathetic; slower
d
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If all other conditions remain the same and the concentration of a nonpenetrating solute increases inside a cell, which is most likely to occur?
A. The solute will diffuse across the membrane until its concentration is equal on both sides of the membrane. B. Water will tend to leave the cell because the interior has a decreased osmolarity. C. Water will tend to enter the cell because the interior has a decreased osmolarity. D. Water will tend to leave the cell because the interior has an increased osmolarity. E. Water will tend to enter the cell because the interior has an increased osmolarity.
The time period of the uterine cycle from ovulation until the beginning of menses is the ________.
Fill in the blank(s) with the appropriate word(s).
When James shaves his face, which portion of the hair is removed?
A) hair follicle B) hair root C) hair matrix D) hair shaft
Which type of muscle tissue has spindle-shaped cells?
A. skeletal muscle B. smooth muscle C. cardiac muscle D. both skeletal and cardiac muscle E. both cardiac and smooth muscle