Robin takes an anticholinergic drug to deal with her allergies. Explain why she often experiences constipation
What will be an ideal response?
Anticholinergic medications can block the parasympathetic nervous system's effect on the smooth muscle of the digestive tract. This causes digested food to move more slowly through the tract and can lead to constipation.
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Loss of ability to perform skilled motor activities such as piano playing, with no paralysis or weakness in specific muscles, might suggest damage to the ________
A) premotor cortex B) primary motor cortex C) rubrospinal tracts D) spinal cord
Increase in stimulus intensity _______
A) increases the size of the action potential B) has no effect on action potentials C) increases the frequency of action potentials D) increases the duration of the action potential
The regulation of sodium and water balance in the kidneys occurs primarily through the unique action of which cells in the distal tubules and collecting ducts?
A) granular cells B) mesangial cells C) principal cells D) intercalated cells E) podocytes
Which term best describes the relationship of the deltoid and SITS muscles during shoulder abduction?
A. Adductors B. Antagonists C. Prime movers D. Fixators E. Synergists