NEUROLEC: 2nd Shifting Flashcards
Which tract mediates pain and temperature sensation?
A. Anterior spinothalamic tract
B. Lateral spinothalamic tract
C. Dorsal column pathway
D. Spinocerebellar tract
B. Lateral spinothalamic tract
Cauda equina syndrome involves which of the following spinal roots?
A. C1-C6
B. C4-C6
C. L1-S5
D. L3-Coccyx
D. L3-Coccyx
The part of the myotatic reflex that includes a muscle spindle and a dorsal root ganglion neuron is known as?
Afferent limb
Fasciculus cuneatus is found in the following regions EXCEPT?
A. Cervical
B. Thoracic
C. Lumbar
D. Sacral
D. Sacral
Which tract mediates tactile discrimination, vibration, form recognition, and joint and muscle sensation?
A. Anterior spinothalamic tract
B. Lateral spinothalamic tract
C. Dorsal column pathway
D. Spinocerebellar tract
C. Dorsal column pathway
Which among the following will result in contralateral loss of pain and temperature sensation one segment below the level of the lesion?
A. Anterior spinothalamic tract lesion
B. Lateral spinothalamic tract lesion
C. Dorsal column pathway lesion
D. Spinocerebellar tract lesion
B. Lateral spinothalamic tract lesion
Which spinal tract cross in the brainstem?
A. Reticulospinal tract
B. Rubrospinal tract
C. Olivospinal tract
D. Spinocerebellar tract
C. Olivospinal tract
The functional component of the nerve fibers that convey motor output from ventral horn motor neurons to skeletal muscle is?
A. General somatic efferent
B. General visceral efferent
C. Special somatic efferent
D. Special visceral efferent
A. General somatic efferent
Which of the following will result to a lower motor neuron
lesion?
A. Interruption of the final motor pathway
B. Interruption of the final sensory pathway
C. Interruption of the final common pathway
D. Interruption of the final autonomic pathway
C. Interruption of the final common pathway
The following can be seen in lower motor neuron lesions
EXCEPT?
A. Hypotonia
B. Flaccid paralysis
C. Hyporeflexia
D. Babinski sign
D. Babinski sign
The second order neuron for the ventral spinothalamic tract is found in the?
A. Dorsomarginal nucleus
B. Substantia gelatinosa
C. Posterior root ganglion
D. Nucleus proprius
B. Substantia gelatinosa
Which among the following diseases of the spinal cord is due to an acute viral infection of the ventral horn?
A. Spina bifida
B. Cauda equina syndrome
C. Poliomyelitis
D. Encephalitis
C. Poliomyelitis
Demyelination of the dorsal columns that result in loss of vibration and position sensation is a classic feature of which condition?
A. Subacute combined degeneration
B. Vitamin B12 deficiency
C. Vitamin E deficiency
D. Tabes dorsalis
A. Subacute combined degeneration
Which is a group of large nerve cells situated anterior to the substantia gelatinosa throughout the spinal cord and comprises the main bulk of the cells in the posterior gray column?
A. Dorsomarginal nucleus
B. Substantia gelatinosa
C. Posterior root ganglion
D. Nucleus proprius
D. Nucleus proprius
Which among the following best describes fasciculations?
A. Decrease in tone
B. Decrease in muscle proteins
C. Visible muscle twitches
D. Decrease sensitivity of muscle spindles
C. Visible muscle twitches
The middle meningeal artery passes through which opening in the skull?
A. Foramen rotundum
B. Foramen ovale
C. Foramen spinosum
D. Foramen lacerum
C. Foramen spinosum
Which neuroanatomical structure is the main pathway that connects the vestibular and cochlear nuclei with the nuclei controlling the extraocular muscles?
A. superior colliculus
B. medial longitudinal fasciculus
C. corticopontine fibers
D. inferior colliculus
B. medial longitudinal fasciculus
Which of the following structures is not a part of the CORPORA QUADRIGEMINA?
A. Superior colliculus
B. Inferior colliculus
C. Facial colliculus
C. Facial colliculus
TRUE OR FALSE: The functions of the Brainstem are to act as conduit between the spinal cord and different parts of the higher
centers in the forebrain and also contains important
nuclei of cranial nerves I through XII.
False
What nerve passes through the ethmoid bone of the skull?
A. Olfactory nerve
B. Optic nerve
C. Oculomotor nerve
D. Trochlear nerve
A. Olfactory nerve
The Cerebrospinal fluid filled cavity in the MIDBRAIN is called?
Cerebral aqueduct
Which artery is involved in Lateral medullary syndrome?
A. Anterior inferior cerebellar artery
B. Middle cerebral artery
C. Posterior inferior cerebellar artery
D. Posterior cerebral artery
C. Posterior inferior cerebellar artery
This cranial nerves is not found in the ventral surface of the brainstem
Trochlear nerve
Medial medullary syndrome will involve the following structures EXCEPT?
A. Pyramidal tract
B. Inferior cerebellar peduncle
C. Medial lemniscus
D. hypoglossal nerve
B. Inferior cerebellar peduncle