Kelli Derrah
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Medicine Quiz on NSF week 1, created by Kelli Derrah on 27/08/2019.

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Kelli Derrah
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NSF week 1

Question 1 of 25

1

To allow for CSF reabsorption, the arachnoid granulations protrude into which space?s

Select one of the following:

  • superior sagittal sinus

  • 4th ventricle

  • subarachnoid space

  • foramen of magendie

Explanation

Question 2 of 25

1

Neurogenesis (generation of new neurons) in the developing spinal cord occurs primarily in which of the following regions?

Select one of the following:

  • ventricular zone

  • intermediate zone (mantle zone)

  • marginal zone

  • neural crest

Explanation

Question 3 of 25

1

Bone Morphogenetic Proteins (BMPs) help with the differentiation of function in the CNS by inducing the development of which of the following?

Select one 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

Explanation

Question 4 of 25

1

Which of the following is a normal location of cerebrospinal fluid (CSF)?

Select one of the following:

  • subpial space

  • subarachnoid space

  • subdural space

  • epidural space

Explanation

Question 5 of 25

1

The ventral aspect of the neural tube (basal plate) is associated with which of the following?

Select one of the following:

  • CSF production

  • motor function

  • sensory processing

  • vision

Explanation

Question 6 of 25

1

Which of the following types of sensation is exclusively conveyed by the dorsal column-medial lemniscus pathway?

Select one of the following:

  • visceral fullness

  • temperature

  • vibration

  • pin prick

Explanation

Question 7 of 25

1

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?

Select one of the following:

  • midbrain

  • spinal cord

  • medulla

  • pons

Explanation

Question 8 of 25

1

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?

Select one of the following:

  • Midbrain

  • Spinal cord

  • Medulla

  • Pons

Explanation

Question 9 of 25

1

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?

Select one of the following:

  • Parietal lobe

  • Frontal lobe

  • Temporal lobe

  • Insular lobe

Explanation

Question 10 of 25

1

Pathways from the lower extremities (legs) travel along the posterior columns to synapse in which nucleus?

Select one of the following:

  • Cuneatus

  • Gracilis

  • Raphe

  • Internal arcuate

Explanation

Question 11 of 25

1

The emotional aspects of pain (eg, suffering) are processed in which part of the brain?

Select one of the following:

  • Anterior cingulate gyrus

  • Reticular activating system

  • Periaqueductal grey matter

  • Raphe nucleus

Explanation

Question 12 of 25

1

The carotid canal is located in which bone of the skull?

Select one of the following:

  • palatine

  • ethmoid

  • occipital

  • temporal

Explanation

Question 13 of 25

1

Which brain lobe sits within the middle cranial fossa?

Select one of the following:

  • anterior lobe

  • parietal lobe

  • temporal lobe

  • occipital lobe

Explanation

Question 14 of 25

1

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?

Select one of the following:

  • left foot

  • right foot

  • left half of the face

  • right half of the face

Explanation

Question 15 of 25

1

The L4 dermatome includes the big toe. Therefore, neurosurgical resection of the left L4 dorsal root ganglion would produce what short-term somatosensory deficits?

Select one of the following:

  • 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

Explanation

Question 16 of 25

1

Due to its association with relatively smaller receptive fields and fast-adapting receptors, which receptor type is best at two point discrimination?

Select one of the following:

  • Meissner corpuscle

  • Ruffini ending

  • Merkel disc

  • free nerve ending

Explanation

Question 17 of 25

1

Compared to blood serum, cerebral spinal fluid has which of the following characteristics?

Select one of the following:

  • a lower partial pressure of CO2

  • similar protein levels

  • higher chloride levels

  • greater alkalinity

Explanation

Question 18 of 25

1

Which of the following structures is composed of two layers of meningeal dura?

Select one of the following:

  • third ventricle

  • crista galli

  • tentorium cerebelli

  • neurohypophysis

Explanation

Question 19 of 25

1

The primitive forebrain (prosencephalon) gives rise to which of the following secondary vesicles?

Select one of the following:

  • telencephalon

  • mesencephalon

  • metencephalon

  • myelencephalon

Explanation

Question 20 of 25

1

The thalamus and hypothalamus are derived from which of the secondary vesicles?

Select one of the following:

  • metencephalon

  • myencephalon

  • mesencephalon

  • diencephalon

Explanation

Question 21 of 25

1

Which of the following are derivatives of the neural crest cells?

Select one of the following:

  • 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

Explanation

Question 22 of 25

1

Which of the following structures passes through the foramen spinosum?

Select one of the following:

  • Mandibular nerve (CN V3)

  • Middle meningeal artery

  • Greater petrosal nerve

  • Ophthalmic artery

Explanation

Question 23 of 25

1

Which of the following is an unpaired (midline) bone that is part of the neurocranium?

Select one of the following:

  • temporal

  • parietal

  • zygomatic

  • occipital

Explanation

Question 24 of 25

1

On which bone of the skull can the anterior clinoid process be found?

Select one of the following:

  • ethmoid

  • sphenoid

  • temporal

  • occipital

Explanation

Question 25 of 25

1

The groove for the transverse sinus can be found on which bone?

Select one of the following:

  • frontal

  • temporal

  • parietal

  • occipital

Explanation

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