Medicine Quiz on NSF week 1, created by Kelli Derrah on 08/27/2019.
To allow for CSF reabsorption, the arachnoid granulations protrude into which space?s
superior sagittal sinus
foramen of magendie
Neurogenesis (generation of new neurons) in the developing spinal cord occurs primarily in which of the following regions?
intermediate zone (mantle zone)
Bone Morphogenetic Proteins (BMPs) help with the differentiation of function in the CNS by inducing the development of which of the following?
sensory afferents in the alar plate
sensory afferents in the basal plate
motor efferents in the alar plate
motor efferents in the basal plate
Which of the following is a normal location of cerebrospinal fluid (CSF)?
The ventral aspect of the neural tube (basal plate) is associated with which of the following?
Which of the following types of sensation is exclusively conveyed by the dorsal column-medial lemniscus pathway?
A 23-year old runner presents in clinic with dull pain from a laceration to her right heel. In which major
subdivision of the central nervous system does this somatosensory information cross the midline?
A vibrating tuning fork is placed on the left lateral malleolus. In which major subdivision of the central nervous system does this somatosensory information cross the midline?
The primary somatosensory cortex is the main sensory receptive area in the brain for the sense of touch. In which of the following lobes can this area be found?
Pathways from the lower extremities (legs) travel along the posterior columns to synapse in which nucleus?
The emotional aspects of pain (eg, suffering) are processed in which part of the brain?
Anterior cingulate gyrus
Reticular activating system
Periaqueductal grey matter
The carotid canal is located in which bone of the skull?
Which brain lobe sits within the middle cranial fossa?
A small ischemic stroke effecting lateral/inferior portions of the postcentral gyrus of the right parietal lobe (i.e., near the lateral sulcus) would be expected to produce somatosensory dysfunction in which area of the body?
left half of the face
right half of the face
The L4 dermatome includes the big toe. Therefore, neurosurgical resection of the left L4 dorsal root ganglion would produce what short-term somatosensory deficits?
Lack of temperature sensations, sparing proprioception, from the right big toe
Lack of temperature sensations and proprioceptive information from the left big toe
Lack of temperature sensations and proprioceptive information from the right big toe
Lack of temperature sensations, sparing proprioception, from the left big toe
Due to its association with relatively smaller receptive fields and fast-adapting receptors, which receptor type is best at two point discrimination?
free nerve ending
Compared to blood serum, cerebral spinal fluid has which of the following characteristics?
a lower partial pressure of CO2
similar protein levels
higher chloride levels
Which of the following structures is composed of two layers of meningeal dura?
The primitive forebrain (prosencephalon) gives rise to which of the following secondary vesicles?
The thalamus and hypothalamus are derived from which of the secondary vesicles?
Which of the following are derivatives of the neural crest cells?
Ependymal cells that line the brain ventricles
Glial cells that form the myelin sheath of CNS axons
Primary sensory neurons of the dorsal root ganglia
Pyramidal cells of the cerebral cortex
Which of the following structures passes through the foramen spinosum?
Mandibular nerve (CN V3)
Middle meningeal artery
Greater petrosal nerve
Which of the following is an unpaired (midline) bone that is part of the neurocranium?
On which bone of the skull can the anterior clinoid process be found?
The groove for the transverse sinus can be found on which bone?