Answer :
Final answer:
The ascending pathway is being described when Susie scratches her cheek on a branch, as it carries sensory information from the cheek to the brain via the cranial nerves.
Explanation:
The pathway being described in the scenario where Susie scratches her cheek on a branch is an ascending pathway. This is because an ascending pathway is a sensory pathway that carries peripheral sensations to the brain. This includes tactile and other somatosensory stimuli, which activate receptors in the skin when Susie scratches her cheek. Information from these sensory receptors in the head and neck area, including the cheeks, is conveyed through the cranial nerves, specifically the trigeminal system for the face.
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