Neuroscience Quiz: Explore the Nervous System
Neuroscience Quiz: Explore the Nervous System
Test your knowledge on the fascinating aspects of the nervous system and blood cell development with our comprehensive quiz. This quiz covers a variety of topics, including:
- Neural structures and fun
ctions - Blood cell formation and types
- Cells of the nervous system
Challenge yourself and enhance your understanding of these crucial biological systems!
Which statement regarding epineurium is true?
- Directly surrounds the external laminae of the Schwann cells
- Is covering the cerebellum
- Have rich network of reticular fibers
- Is loose connective tissue
- Surrounds the whole nerve
- Is covering axons and Schwann cells
Which statement regarding epineurium is true?
- It dense, irregular fibrous connective tissue
- Surrounds one fascicle of nerve fibers
- Is covering the whole nerve
- Is covering the CNS
- Surrounds every single nerve fiber
- Is covering the PNS
Which statement regarding interneurons is true?
- Are association neurons
- Are a type of sensory neurons
- Creates the minority of neurons in the human CNS
- Can be multipolar neurons.
- Can connect motor neurons with sensory neurons
- Creates the majority of neurons in the human CNS
- Can be anaxonic neurons
- Comprise 99% of all neurons in adults
Establish relationships among other neurons, forming complex functional networks or circuits in the CNS
- their axons are always myelinated
Which statement regarding unmyelinated axons is true?
- Nodes of Ranvier are commonly visible along unmyelinated nerve fibers
- Myelin sheath wraps each axon
- Oligodendrocytes envelop axons in PNS
- Schwann cells envelops multiple axons
- Schwann cells envelop just one axon
- Nodes of Ranvier are not seen along unmyelinated nerve fibers
- Oligodendrocytes envelop axons in CNS
Which statement regarding ganglia is true?
- Are divided into sensory or an autonomic ganglion.
- Are composed of nerve fibers only
- Are composed of both – perikaryons and nerve fibers.
- Multipolar neurons are present in autonomic ganglia.
- Consists of only ganglian cells
- Are divided into sensory or an autonomic ganglia.
- Sensory ganglion are surrounded by CT capsule
- Pseudounipolar neurons in sensory ganglia
- Are surrounded by endoneurium
Which statement regarding glial cells is true?
- Astrocytes form pia-glial membrane (only protoplasmic astrocytes)
- Ependymal cells are macrophages of CNS
- Their function is the metabolic and mechanical support and protection of neurons.
- Ependymal cells can be ciliated in some regions.
- Microglial cells are macrophages of CNS.
- Astrocytes regulate neuronal activity and metabolism.
- Protoplasmic astrocytes are present in white matter of the CNS
- Microglial cells derive from precursor cells in bone marrow.
- Oligendrocytes are myelin-forming cells in CNS
Which statement regarding glial cells is true?
- Protoplasmic astrocytes are present in grey matter of the CNS
- Each Schwann cell is covered by basal lamina
- Fibrous astrocytes and astrocytes are found in CNS
- Astrocytes form Pericles (vascular feet) (only protoplasmic astrocytes).
- Astrocytes belong to mononuclear phagocytic system
- Each schwann cell is covered by a basal lamina
Ependymal cells are epithelial-like cells lining the ventricles of the brain and central canal of the spinal cord
Schwann cells form myelinated and unmyelinated coverings over axons of the PNS
Where are formed blood cells during embryonic development respectively (in correct order) formed?(single choice)
- Yolk sac, liver, AGM, bone marrow, spleen
- AGM, yolk sac, liver, spleen, bone marrow
- Yolk sac, AGM, liver, spleen, bone marrow
- AGM, liver, bone marrow, spleen
Which stage is the first stage of nondividing cells during erythropoiesis? (single choice)
- Erythrocyte
- Reticulocytes
- Basophilic erythroblast
- Ortochromatophilic erythroblast
- CFU-GEMM
- Polychromatofilic erythroblast
What is true about the Neural Crest?
- The neural crest originates from mesenchyme
- The neural crest originates from cells located along the lateral margins of neural plate
- Neural crest cells arise as the result as the result of an inductive action by mesoderm
- Neural crest cells arise as the result of an inductive action by non-neural ectoderm
- They separate the outflow tract of the heart into aortic and pulmonary segment
Which pairs includes stromal part of bone marrow?
- Megakaryocytes
- Adipocytes
- Reticular fibers
- Stem cells
- Reticulum cells
- Macrophages
- Reticular cells
Which pairs includes stromal part of bone marrow?
- Hematopoietic cells
- Stromal cells
- Osteoblasts
- Osteoclasts
- Endothelial cells
What is true about the cranial neural crest cells?
- They leave the future brain well before closure of the neural folds
- They leave the future brain after closure of neural folds
- They differentiate into cells and tissues that constitute much of soft and hard tissues of the face
- They never differentiate into bone
- They migrate toward the gut
- They separate the outflow tract of the heart into aortic and pulmonary segments
What is the inductive role of levels bone morphogenic protein (BMPs)?
- High levels – formation of neuroectoderm
- High levels – induction of neural crest
- High levels – formation of epidermal ectoderm
- Intermediate levels – induction of neural crest
- Low levels – formation of neural tissue
- Low levels – formation of neuroectoderm
Which statement(s) regarding the leukocytes is correct?
- Basophils are the least numerous white blood cells
- Monocytes differentiate into macrophages
- Neutrophils are the largest leukocytes with basophils cytoplasm and kidney shaped nuclei
- Monocytes make up 25-35% of leukocytes
- Eosinophilic specific granules contain Major Basic Protein (MBP)
- Monocytes contain azurophilic granules
- When activated lymphocytes B proliferate to produce plasma cells
- Important in the body`s defense against disease
- Can respond to chemicals released by damaged tissues
Which cells or structures are differentiated from neural crest cells?
- Parafollicular cells / c-cells in thyroid
- Astrocytes
- Melanocytes
- Adrenal medulla
- Satellite cells
- Oligodendrocytes
- Schwann cells
- Merkel cells
Which of the following statements about erythrocytes is/are true?
- Transport of oxygen and carbon dioxide
- Hemoglobin of erythrocyte is protein specialized for transport of oxygen and carbon dioxide
- Are called red blood cells
- Are usually 1mm in diameter
- Can leave the blood vessels by diapedesis
Which of the following statements about erythrocytes is/are true?
- Are annulated
- Their life span is approximately 120 days
- Are called also white blood cells
- Are usually 7 to 8 micrometer in diameter
- Their biconcave shape facilitie gas exchange
- Their shaped is maintained by a special cytoskeleton
What is true about megakaryocytes?
- Are cytoplasmic remnants of monocytes
- Circulate in blood
- Are the least numerous white blood cells
- Have polyploid nucleus
- Are the most numerous granulocytes
- Are the largest hematopoietic cells
Which parts includes stormal part of bone marrow?
- Macrophages
- Osteoclasts
- Adipocytes
- Stem cells
Which parts includes stormal part of bone marrow?
- Reticulocytes
- Stromal cells
- Fibroblasts
- Osteoblast
- Endothelial cells
- Reticular connective tissue
- Ground substance
What is true about bone marrow?
- Sinusoids are not present in bone marrow
- Red bone marrow is a place of maturation of T cells
- Red bone marrow is present in flat bones and vertebrae and epiphyseal end of long bones
- In adult hemopoiesis takes place in red bone marrow
- Its stroma is formed by reticular tissue
- Yellow bone marrow is not found in adults
- Great number of adipose cells are present in yellow bone marrow
- Yellow bone marrow never can be replaced by red bone marrow
- Red bone marrow is not hematogenous
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