Sludd is an acronym that summarizes the stimulatory actions of the system.
a. pathetic
b. sympathetic
c. parasympathetic
d. metabolic

C. parasympathetic

Explanation:

The acronym SLUDD is useful for remembering the five parasympathetic responses. This acronym stands for salivation (S), lacrimation (L), urine (U), digestion (D) and defecation (D). Basically, the parasympathetic system stimulates all these activities. In addition to SLUDD, other important parasympathetic responses are the "three decreases": decreased heart rate, decreased airway diameter, and decreased pupil diameter.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.