JBL EMT Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

The autonomic nervous system controls all of the following functions, except:

breath holding

The autonomic nervous system is responsible for controlling involuntary bodily functions, such as breathing, digestion, and vessel dilation. It plays a role in regulating processes that are not under conscious control. However, breath-holding is a voluntary action and is regulated by the somatic nervous system, not the autonomic nervous system. Therefore, the correct answer is A.

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breathing

digestion

vessel dilation

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