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level: Lecture 9: Sensory System Examination 2

Questions and Answers List

level questions: Lecture 9: Sensory System Examination 2

Question	Answer
What ability does checking for stereognosis test?	the ability to perceive the form of solid objects by touch.
What ability does checking for graphaesthesia test?	is the ability to recognize writing on the skin purely by the sensation of touch
Peripheral neuropathies or polyneuropathies tend to affect the _____ limbs first and more prominently.	Lower
In the instance of spinal cord trauma, and compressive lesions of the spinal cord, cause loss or impairment of sensation in a dermatomal distribution below the level of the lesion. Immediately above the area of desensitization, what might be notable about the area's ability to feel?	A zone of hyperaesthesia (excessive physical sensitivity, especially of the skin) may be found immediately above the level of sensory loss.
What is hyperaesthesia?	Excessive physical sensitivity, especially of the skin
What is Brown-Séquard syndrome?	Ipsilateral to injury: motor weakness and loss of vibration and joint position sense Contralateral to injury: loss of pain sense and temperature
Alternating A_______ is a term for the loss of pain and temperature sensation on one side of the face (V nerve nucleus damage) and the opposite side of the body (spinothalamic tract damage) and occurs in lower brain stem lesions.	Analglesia
______ lesions may cause a patchy sensory impairment on the opposite side with a very unpleasant, poorly localized pain often of a burning quality.	Thalamic
_______ lesions in the parietal lobe lead to impairment of some of the principal presenting pathway sensations, particularly joint position sense.	Cortical