WorksheetsNeuroanatomy KM session
Total questions: 20
Worksheet time: 20mins
Ask patient to flex elbow against resistance; sudden release may cause the hand to strike the face. This maneuver tests the integrity of which of the following neural structures?
Dentatorubrothalamic tract
Dorsal column-medial lemniscus pathway
Anterolateral system
Motor pathway
The lumbar and sacral spinal cord are supplied by this large and most constant medullary artery arising from the descending aorta
Artery of Adamkiewicz
Anterior spinal artery
External iliac artery
Common iliac artery
The evocation of a reflex on one side of the body causes opposite effects on the limb of the other side of the body
Law of reciprocal innervation
Babinski reflex
Monosynaptic reflex arc
Crossed extensor reflex
How will you classify the Golgi tendon organs?
Slowly adapting, encapsulated receptors
Slowly adapting, nonencapsualted receptors
Rapidly adapting, encapsulated receptors
Rapidly adapting, nonencapsulated receptors
The function of this cortical region is to relate the visual information received by the primary visual cortex to past visual experiences, thus enabling the individual to recognize and appreciate what he is seeing.
Brodmann area 8
Brodmann areas 18, 19
Brodmann area 22
Brodmann areas 39, 40
What is the sensory innervation of the middle finger?
C6
C7
C8
T1
A 69-year-old female presented at the emergency room with sudden onset diplopia and gait ataxia. Neurological examination revealed primary gaze exotropia, bilateral ocular adduction impairment and nystagmus of the abducting eye. Cranial MRI showed an infarct in the mesencephalic tegmentum. Dysfunction of which structure gave rise to the ocular findings?
Superior colliculus
Paraabducens nucleus
Medial longitudinal fasciculus
Decussation of the superior cerebellar peduncles
A 65-year-old man developed sudden inability to identify objects presented simultaneously, inability to reach for object under visual guidance and inability to voluntarily shift the gaze despite intact extraocular muscles. Where is the most likely site of the pathology?
Dominant parietal lobe
Bilateral parietooccipital junction
Non-dominant temporooccipital area
Bilateral occipital cortices
Which of the following is CORRECT regarding the Papez circuit?
Outflow impulses from the amygdala via the fornix to the mamillary bodies
From the mammillary bodies via the tract of Vicq d'Azyr to the medial thalamic nuclei
From the thalamus to the cingulate gyrus via the cingulum
From the cingulate gyrus, impulses return to the hippocampus via the entorhinal area
What is the embryonic origin of a suprasellar tumor in the pediatric age group that may transform to squamous cell carcinoma after radiation therapy?
Neural crest
Branchial arches
Notochord
Rathke’s pouch
What sensory inputs are involved in the maintenance of balance and awareness of the position of one’s body?
Retinal, labyrinthine, tactile
Retinal, labyrinthine, proprioceptive
Labyrinthine, auditory, tactile
Labyrinthine, auditory, proprioceptive
A 50-year-old woman was brought in for consultation because of chronic headache. She was morbidly obese with moon-like facies and violaceous striae in the abdomen. Neurological examination revealed bitemporal hemianopia. Which part of the visual pathway is affected?
Optic tract
Optic chiasm
Geniculocalcarine tract
Visual cortices
A 65-year-old male was referred to neurology from the oncology service for evaluation of left partial ptosis, miosis and anhidrosis. He was a heavy smoker and was diagnosed with a tumor in the apex of the left lung. The neurological syndrome is secondary to compression of which autonomic ganglion?
Otic ganglion
Superior cervical ganglion
Stellate ganglion
Ciliary ganglion
A 7-year-old girl was referred for evaluation. At 6 years old, her body began changing into that of an adult with early breast development, pubic and underarm hair growth, and menarche. Neurological examination revealed impaired upward gaze. Where is the location of the lesion?
Corpora quadrigemina
Pituitary gland
Pineal gland
Hypothalamus
A 65-year-old male sought consult because of resting tremors on the right hand. Neurological examination showed decreased right arm swing when walking and loss of smell. Which of the following is true regarding this neurological condition?
Overactivity of the direct pathway
Overactivity of the indirect pathway
A stroke survivor was brought in for treatment. He complains of right sided body weakness and difficulty with speech. Your neurological examination showed effortful speech production, impaired repetition, and relatively preserved comprehension. Where is the most probable location of the stroke?
Dominant temporal lobe
Dominant frontal lobe
Nondominant temporal lobe
Nondominant frontal lobe
Which of the following is affected by botulism?
Calcium influx in the terminal button
Breakdown of neurotransmitters
Release of neurotransmitters
Affinity of postsynaptic membrane receptors
The facial nerve contains the following nerve fibers except:
General somatic efferent
Special visceral afferent
General visceral efferent
Special visceral efferent
Which of the following statements is TRUE regarding the muscle spindles?
Composed of intrafusal fibers concentrated in the belly of the muscle
Activated by excess tension in a contracting muscle
Afferent fibers are classified as A-gamma
Activation cause inhibition of antagonist muscle
What is the descending tract that plays a major role in decerebrate posturing?
Lateral corticospinal tract
Anterior corticospinal tract
Vestibulospinal tract
Rubrospinal tract
