INBDE (Integrated National Board Dental Examination) Practice Exam

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What system produces lacrimal secretions?

PNS
PSNS
SNS
CNS

The correct answer is: PSNS

The PSNS, or parasympathetic nervous system, produces lacrimal secretions. The other options, PNS, SNS, and CNS, refer to different parts of the nervous system that do not directly produce lacrimal secretions. The PNS and SNS control involuntary functions and the CNS is responsible for processing sensory information from the body. Thus, the PSNS is the only option that is directly related to the production of lacrimal secretions.