Histology MCQs/Nerve Tissue



{Accumulation of lipofuscin inside neurons of brain cortex is morphological counterpart of: - Early sign of cognitive disorder, accumulation of lipofuscin is sign of impending failure of neuron - Lipofuscin is an artifact only, it is simply sign of abundant intermediate filaments + Longevity of neurons, lipofuscin is practically innert waste product of lysosomes - In fact, there is no lipofuscin inside neurons
 * type=""}

{All but one above mentioned properties are hallmarks of neurons. Which one is not? - Conspicuous nucleolus + Strong eosinophilia of cytoplasm - Plenty of microtubules inside axon - Abundant rough endoplasmic reticulum
 * type=""}

{All but one statements are true. Which of them is not true? - Oligodendrocytes form myelin sheets - Fibrillary astrocytes are inside the white matter - Protoplasmic astrocytes are inside the gray matter + Glial cells are actively involved in spreading of action potential
 * type=""}

{Axonal hillock (axonal hilus) is a site, where: - Neurotransmitters are produced - Axo-axonal synapsis takes place + Axon is connected to the cell body - Membrane of the axon is transformed to the presynaptic membrane
 * type=""}

{What is an axonal transport? + Transportation of material along microtubules - Transportation of material inside microtubles - Spreading of the action potential along the axon - Spreading of the action potential inside the axon
 * type=""}

{What is a Bergman's glia? + Astrocytes inside cerebellum - Astrocytes inside hypothalamus - Oligodendrocytes inside cerebellum - Oligodendrocytes inside hypothalamus
 * type=""}

{Of which morphological type arre Betz pyramids (Betz cells)? - Bipolar neurons - Unipolar neurons + Multipolar neurons - Pseudounipolar neurons
 * type=""}

{Brodmann's areas are defined by similarity based on: - Gross anatomy of brain cortex + Cytoarchitecture of brain cortex - Myeloarchitecture of brain cortex - Glial architecture of brain cortex
 * type=""}

{Can we stain for myelin using immunohistochemistry? - Yes, we can, but hydrophopic compound must be washed out using choroform - Yes, we can, but in the peripheral nervous system only + Yes, we can, we can use myelin basic protein (MBP) - No, we can not
 * type=""}

{How to define the term cytoarchitecture of brain cortex? - Mutual arrangement of neurons and astrocytes in brain cortex - Arrangement of oligodendrocytes in brain cortex - Arrangement of astrocytes in brain cortex + Arrangement of neurons in brain cortex
 * type=""}

{What is a function of free nerve ending? - Sensor of low pressure - tactile sensor - Sensor of pressure and vibrations + Nociceptor - sensor of pain - Thermoreceptor
 * type=""}

{Glial fibrillary acidic protein (GFAP) is an appropriate immunohistochemic marker of: - Oligodendrocytes + Astrocytes - Microglia - Neurons
 * type=""}

{How many layer has the cerebellar cortex? - Two to three - Two to four + Exactly three - Exactly four
 * type=""}

{How many layers of neurons can we distinguish in the allocortex (i.e., archicortex and paleocortex)? + Usually three - Usually six - Usually three to six - In all cases six
 * type=""}

{If the impregnation is used for nerve tissue, one can see neurofibrils. What is it? - Is is probably an artifact, bundles of intermediate filaments and actin filaments + Is is probably an artifact, bundles of intermediate filaments and microtubules - Intermediate filaments - Microtubules
 * type=""}

{Which cells produce the myelin sheath? + Either oligodendrocytes or Schwann cells - Oligodendrocytes only - Schwann cells only
 * type=""}

{Which structure is usually called  an intramural ganglion? - Sensory (sensitive) ganglion belonging to thoracic segments of spinal cord + Vegetative ganglion of parasympathetic - Subdermal ganglia of sympathetic - Some nuclei of facial nerve
 * type=""}

{Which structures separates neurons inside ganglia (ganglionic cells) from the environment? - Multiple laeyer composed mainly of satelite cells + One layer of satelite cells - Layer of modified pericytes - Layer of reticular fibers
 * type=""}

{How are limited Ranvier's nodes (nodes of Ranvier)? Nodes of Ranvier are defined by: - By accumulation of vesicles in cytoplasm of Schwann cells - By small changes of the thickness of the nerve fibers + By two neighboring Schwann cells - By processes of endoneurium
 * type=""}

{Of which type are capillaries involved in the formation of the wall of the hematoencephalic barrier? - Fenestrated capillaries with discontinuous basement membrane - Fenestrated capillaries with continuous basement membrane + Capillaries without fenestrations - Sinusoids
 * type=""}

{Only one of following statements is not true. Which of them? - Basket cells are inside molecular layer of cerebellar cortex - Axons of basket cells inhibit Purkyne cells - Basket cells are multipolar neurons + Basket cells are bipolar neurons
 * type=""}

{Pia mater is composed of: - Sparsely vascularized reticular connective tissue - Highly vascularized reticular connective tissue - Sparsely vascularized loose connective tissue + Highly vascularized loose connective tissue
 * type=""}

{Where are usually pseudounipolar neurons? - Vegetative (autonomous) ganglia - Posterior horns of spinal cord - Anterionr horns of spinal cord + Sensitive (spinal) ganglia
 * type=""}

{Which is an embryonic origin of astrocytes? - Neural crest - Neural plate + Neural tube - Mezenchyme
 * type=""}

{Which is an embryonic origin of microglia? - Neural crest - Neural plate - Neural tube + Mezenchyme
 * type=""}

{What is main function of  the choroid plexus? - Peristaltic movement of cerebrospinal fluid through the brain ventricles - Mechanical support of brain cavities - Resorption of cerebrospinal fluid + Production of cerebrospinal fluid
 * type=""}

{Where takes place resorption of the cerebrospinal fluid? + In Pachionian granulations (arachnoid granulations) - In lining of third and fourth ventricles - In lining of lateral ventricles - In choroid plexus
 * type=""}

{Which of cranial nerves is covered by meninges? - Nerve I + Nerve II - Nerve III - Nerve IV - Nerve V
 * type=""}

{Which of following statements describe the term myeloarchitecture of brain cortex the best? - Arrangement of myelinated fibers entering the brain cortex - Arrangement of myelinated fibres leaving the brain cortex + Arrangement of myelinated fibers inside the brain cortex - The term has nothing to do with myelinated fibers
 * type=""}

{Which statement about ependymal cells is true? - There are no processes on the apical pole of ependymal cells - Ependymal cells produce markable amount of opioids + They form lining of brain cavities - Ependymal cells are star-shaped
 * type=""}

{Which statement about the spinal cord is correct? - Dura mater of the spinal cord adheres strongly to adjacent bones - Pia mater of the spinal cord adheres weakly to adjacent bones + Spinal cord has the same cover layers as brain - Spinal cord contains plenty of Schwann cells
 * type=""}

{Which statement about the spinal cord is correct? - There are in unmyelinated fibers inside the gray matter - There are no interneurons inside the gray matter + There ase myelinated nerve fibers in the white matter - Motoneurons are in posterior horns
 * type=""}

Links

 * List of all tests: Histology MCQs
 * Portal:Histology