Certified Wound Ostomy Nurse (CWON) Practice Test

Which nerve function is evaluated with the vibratory sensation test?

1. Motor control

2. Sensory perception

3. Autonomic response

4. Coordination

The correct answer is: Sensory perception

The vibratory sensation test is specifically designed to assess sensory perception, particularly the ability of the sensory pathways to detect vibration. This test typically uses a tuning fork placed on bony prominences, such as the big toe or the wrist, to evaluate how well the patient can feel the vibration and the sensation's intensity. The sensory function being tested involves the integrity of large myelinated fibers responsible for transmitting vibration sensations to the brain. In this context, sensory perception is critical because it encompasses the individual's ability to receive and interpret stimuli from the environment, which is crucial for balance, coordination, and overall neuromuscular function. Evaluating sensory perception helps clinicians identify potential neurological dysfunctions, which may relate to conditions affecting the peripheral nerves or central nervous system. This insight can guide further diagnostic processes and interventions for patients exhibiting sensory deficits.