42 Questions
How are nerve fibers classified functionally?
According to the characteristics of the particular function
What is the function of the Anterolateral Tract System?
Processing general somatic sensations from the body
What is the name of the pathway involved in the direct and consensual corneal blink reflexes?
LE 1 TRANS 1
Which cranial nerves have special functions devoted to particular organs or groups of muscles?
Cranial nerves related to vision, hearing and balance, taste and olfaction, and motor to muscles of branchiomeric origin
What is the role of sensory receptors in the pathway for general somatic sensation?
To receive and transmit signals from the periphery
What is the primary function of the Dorsal Column System?
Processing general somatic sensations from the body
What is the name of the tract system involved in processing general somatic sensations from the face region?
Dorsal Trigeminothalamic Tract
What is the Student Learning Objective related to describing the pathways for general somatic sensation?
All of the above
What is the possible location of a lesion in a patient with a loss of pain sensation on the right toe?
Pain receptors at the skin over the right toe
What is the term for the sense of touch?
Somatic sensation
What is the stimulus for the sensation of pain?
Pinprick
What is the function of the dorsal root ganglion?
Receiving signals from the skin
What is the function of the thalamus?
Sensory processing
What is the type of pain sensation elicited by a needle or pinprick?
Fast, sharp, or acute pain
How is thermal sensation elicited?
Using glass bottles containing warm or cold water
What is proprioception?
Sense of position
What is the abbreviation for Ventral Posterolateral?
VPL
What is the full form of ARAS?
Ascending Reticular Activating System
What is the abbreviation for Dorsal Root Ganglion?
DRG
What type of sensory fibers are involved in sensing pain?
A-Delta
Which nerve tract is responsible for transmitting pain and temperature?
Spinothalamic Tract
What is the name of the reflex involved in protecting the cornea?
Corneal Blink Reflex
What is the abbreviation for Brodmann Area?
BA
What is the full form of VPM?
Ventral Posteromedial
What is the sense that refers to the static limb position, location of body part in space, and kinesthesia or movement of those body parts?
Proprioception
What is the term for the ability to recognize objects by touch alone without visual cues?
Stereognosis
What is the sense closely related to touch pressure sensation?
Vibratory sense
What is the term for the ability to recognize numbers and letters drawn on the skin without visual cues?
Graphesthesia
What type of senses are stereognosis and graphesthesia?
Synthetic senses
What is the method used to elicit proprioception?
Asking the subject to move their joints while their eyes are closed
What is the term for the ability to distinguish the stimulation made by two points applied to the skin as two separate points instead of one?
Two-point discrimination
What is the minimum distance between two points to be distinguished from each other measured in?
Millimeters
What type of mechanoreceptors are responsible for discriminative touch in the fingertips and lips?
Tactile (or Meissner) papillae corpuscles
What is the function of Pacinian corpuscles?
Causes vibration and deep pressure
What type of mechanoreceptors are responsible for detecting stretch in the dermis and joints?
Ruffini’s corpuscles
What is the function of Golgi Tendon Organs?
Detects muscle length and tendon force
What type of mechanoreceptors are responsible for proprioception?
Neuromuscular Spindles
What is the function of Neuromuscular Spindles?
Detects muscle contractions and stretch
What is the function of Proprioception?
Sense of body part position and movement in space
What type of receptors are responsible for the vibratory sense of the skin and joints?
Same receptors for light touch and discriminative touch
What is the function of Ruffini’s corpuscles?
Detects stretch in the dermis and joints
What is the function of Krause’s End Bulbs?
Has possible mechanoreceptor functions
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