Examlex
Which of the following is TRUE for an aqueous solution of the weak acid H3A?
I H3A is acidic
II H2A− is acidic
III HA2− is amphiprotic
IV A3− is basic
Painful Stimulus
A stimulus that is physically uncomfortable or hurtful, often triggering a reflexive withdrawal or response to stop the pain.
Motor Response
The physical reaction of the body to a stimulus, involving movement of muscles.
Peripheral Nervous System
The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.
Sensory Nerves
Nerves that transmit sensory information from the body to the central nervous system.
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