NEUROLAB: 2nd Shifting Flashcards
Painful, thermal sensations, light (crude) touch, and
pressure ascend in these tracts.
A. Anterolateral Spinothalamic Tract
B. Dorsal Column Medial Lemniscus
C. Lateral Corticospinal Tract
D. Anterior Corticospinal Tract
A. Anterolateral Spinothalamic Tract
It is a major pathway for voluntary movements and is
responsible for speed and agility of movements.
A. Anterolateral Spinothalamic Tract
B. Dorsal Column Medial Lemniscus
C. Lateral Corticospinal Tract
D. Anterior Corticospinal Tract
C. Lateral Corticospinal Tract
Where does CSF normally circulate?
A. Between dura mater and arachnoid mater
B. Between dura mater and pia mater
C. Between pia mater and arachnoid mater
C. Between pia mater and arachnoid mater
In adults, at what level does the spinal cord terminate?
A. Lower border of the 1st lumbar vertebra
B. Lower border of the 3rd lumbar vertebra
C. Upper border of the 1st lumbar vertebra
D. Upper border of the 3rd lumbar vertebra
A. Lower border of the 1st lumbar vertebra
This is present throughout the length of the spinal
cord and contains the long ascending fibers from the
sacral, lumbar, and lower six thoracic spinal nerves.
A. Fasciculus cuneatus
B. Fasciculus gracilis
C. Both
D. Neither
B. Fasciculus gracilis
In children, the spinal cord ends at what vertebral
level?
A. Lower border of the 1st lumbar vertebra
B. Lower border of the 3rd lumbar vertebra
C. Upper border of the 1st lumbar vertebra
D. Upper border of the 3rd lumbar vertebra
D. Upper border of the 3rd lumbar vertebra
In the somatotopic arrangement of the corticospinal
tract, what is the most lateral spinal cord segment?
A. Cervical segment
B. Thoracic segment
C. Lumbar segment
D. Sacral segment
D. Sacral segment
The primary second-order neuron of the tract
subserves proprioceptive and kinesthetic sensations
on the upper extremities
A. Nucleus cuneatus
B. Nucleus gracilis
C. Both
D. Neither
A. Nucleus cuneatus
What is the affected spinal cord segment in a patient
with a fracture of the T12 vertebra?
A. L3
B. L4
C. L5
D. S1
C. L5
What ascending tract subserves discriminative touch?
A. Anterior Spinothalamic Tract
B. Dorsal Column Medial Lemniscus
C. Lateral Spinothalamic Tract
B. Dorsal Column Medial Lemniscus
You have a patient with a tumor on the central part of
the spinal cord. Based on the case, the patient will
experience weakness and sensory loss in what part of
the body? Upper extremity or Lower extremity?
Upper extremity
Give 1 descending tract besides corticospinal tract
Any 1 of the following
1. Rubrospinal tract
2. Vestibulospinal tract
3. Tectospinal tract
TRUE OR FALSE: The medulla becomes the spinal cord at the level of foramen magnum
True
TRUE OR FALSE: Radicular spinal arteries supply the upper โ of the spinal cord
False
Which of the following cranial nerves exit from the Pons?
a. Glossopharyngeal
b. Vestibulocochlear
c. Vagus
d. Oculomotor
b. Vestibulocochlear
A 65-year-old male presents to the emergency department for dizziness. On physical exam, he has difficulty abducting the left eye and peripheral facial palsy. Head computed tomography scan is concerning for ischemic stroke. What is the site of the lesion?
a. Brainstem
b. Pons
c. Medulla
d. Spinal Cord
b. Pons
TRUE OR FALSE: The tectum consists of 4 swellings, two superior, and two inferior colliculi, that are associated with hearing and vision, respectively.
False
TRUE OR FALSE: The nucleus of the tractus solitarius is located in the pons.
False
TRUE OR FALSE: The Edinger-Westphal nucleus is located in the medulla oblongata.
False
The following statements concern the medial medullary syndrome:
a. The tongue is paralyzed on the contralateral
side
b. Ipsilateral hemiplegia is evident
c. Ipsilateral sensations of sensation and movement are impaired
d. It is commonly caused by a thrombosis of a branch of the vertebral artery to the medulla
d. It is commonly caused by a thrombosis of a branch of the vertebral artery to the medulla
The following statements concern the lateral medullary syndrome:
a. It may be caused by thrombosis of the anterior inferior cerebellar artery
b. The nucleus ambiguus of the same side may be damaged
c. Analgesia and thermoanesthesia may be evident on the contralateral side of the face
d. Contralateral trunk and extremity hyperalgesia may occur
b. The nucleus ambiguus of the same side may be damaged
TRUE or FALSE: Affectation of the midbrain can
result in to decrease in the level of consciousness.
True