The nurse asks the patient to walk heel-to-toe, on the toes, and then on the heels. What function is the nurse assessing?
1. cerebellar
2. cerebral
3. midbrain
4. brainstem
Correct Answer: 1
The ability to follow the instructions, walk heel-to-toe, on the toes, then on the heels provides information about the cerebellum. The cerebrum's functions are to interpret sensory input, control skeletal muscle activity, process intellect and emotions, and contain skill memory. The midbrain is a center of auditory and visual reflexes. The brainstem consists of the midbrain (which is the center of auditory and visual reflexes), the pons (which contains nuclei that control respiration), and the medulla oblongata (which plays an important part in controlling cardiac rate, blood pressure, respiration, and swallowing).
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