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Questions and Answers
What is the primary function of myelin?
What is the primary function of myelin?
- Digestion
- Contraction
- Insulation (correct)
- Support
In which part of a neuron can Nissl bodies be found?
In which part of a neuron can Nissl bodies be found?
- Axon hillock
- Axon
- Nodes of Ranvier
- Dendrites (correct)
Where do Nissl bodies develop?
Where do Nissl bodies develop?
- Rough endoplasmic reticulum (correct)
- Golgi apparatus
- Mitochondria
- Smooth endoplasmic reticulum
What is the main function of Nissl bodies?
What is the main function of Nissl bodies?
Which structure surrounds an individual nerve fiber?
Which structure surrounds an individual nerve fiber?
Which structure surrounds muscles?
Which structure surrounds muscles?
What is the primary function of astrocytes?
What is the primary function of astrocytes?
Which of the following is a primary function of microglia?
Which of the following is a primary function of microglia?
Which type of cell is exemplified by the cells found in the retina?
Which type of cell is exemplified by the cells found in the retina?
Which type of cell is exemplified by the cells found in the spinal ganglia?
Which type of cell is exemplified by the cells found in the spinal ganglia?
Which cell type can be found in the cerebral cortex?
Which cell type can be found in the cerebral cortex?
What are the two key characteristics of skeletal muscle?
What are the two key characteristics of skeletal muscle?
Which of the following describes smooth muscle?
Which of the following describes smooth muscle?
What structures link cardiac muscle cells together?
What structures link cardiac muscle cells together?
What type of filaments does the light band (I-band) in a sarcomere contain?
What type of filaments does the light band (I-band) in a sarcomere contain?
Which line is in the center of the I-band?
Which line is in the center of the I-band?
What is the cytoplasm of a muscle cell called?
What is the cytoplasm of a muscle cell called?
What is the shape of cartilage in the trachea?
What is the shape of cartilage in the trachea?
Which type of epithelium is found in the trachea?
Which type of epithelium is found in the trachea?
Is the trachea considered conducting or respiratory?
Is the trachea considered conducting or respiratory?
Which part of the respiratory system is the alveolar duct considered to be a part of?
Which part of the respiratory system is the alveolar duct considered to be a part of?
What is the main function of Pneumocyte Type-1 cells?
What is the main function of Pneumocyte Type-1 cells?
What type of substance do Clara cells secrete?
What type of substance do Clara cells secrete?
What do alveolar macrophages do?
What do alveolar macrophages do?
What type of nucleus does a neutrophil have?
What type of nucleus does a neutrophil have?
What substance do eosinophils produce?
What substance do eosinophils produce?
What happens in polysythemia?
What happens in polysythemia?
What does iron deficiency cause?
What does iron deficiency cause?
Which gland is a primary lymphatic organ?
Which gland is a primary lymphatic organ?
Which zone is dependent on the thymus?
Which zone is dependent on the thymus?
What shape are red blood cells (RBCs)?
What shape are red blood cells (RBCs)?
Which is the most common cell type in connective tissue?
Which is the most common cell type in connective tissue?
What type of connective tissue is found in the cornea?
What type of connective tissue is found in the cornea?
Which of these options can describe Macrophages?
Which of these options can describe Macrophages?
What is the main function of adipocytes?
What is the main function of adipocytes?
What type of epithelium is found in the skin?
What type of epithelium is found in the skin?
Where is transitional epithelium found?
Where is transitional epithelium found?
How many membranes does mitochondria have?
How many membranes does mitochondria have?
Which organelle is involved in detoxification?
Which organelle is involved in detoxification?
Where does protein synthesis take place?
Where does protein synthesis take place?
What is the cell coat primarily made of?
What is the cell coat primarily made of?
Which of the following is an example of endogenous pigments?
Which of the following is an example of endogenous pigments?
What are the two main types of chromatin?
What are the two main types of chromatin?
Which type of cell is found in the cerebral cortex?
Which type of cell is found in the cerebral cortex?
What is the main component of the cell coat?
What is the main component of the cell coat?
Which of the following best describes smooth muscle?
Which of the following best describes smooth muscle?
What is the function of Pneumocyte Type-1 cells?
What is the function of Pneumocyte Type-1 cells?
Flashcards
Myelin Function
Myelin Function
Insulating layer around nerve fibers.
Nissl Bodies Function
Nissl Bodies Function
Specialized structures in neurons for protein synthesis.
Endoneurium
Endoneurium
Connective tissue around individual nerve fibers.
Epimysium
Epimysium
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Astrocytes Function
Astrocytes Function
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Microglia Function
Microglia Function
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Bipolar Cell
Bipolar Cell
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Pseudo-unipolar Cell
Pseudo-unipolar Cell
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Multipolar Cell
Multipolar Cell
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Skeletal Muscle
Skeletal Muscle
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Smooth Muscle
Smooth Muscle
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Cardiac Muscle
Cardiac Muscle
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Light Band (I-band)
Light Band (I-band)
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Z-line
Z-line
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Sarcoplasm
Sarcoplasm
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Trachea Cartilage Shape
Trachea Cartilage Shape
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Trachea Epithelium
Trachea Epithelium
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Conducting Zone
Conducting Zone
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Alveolar Duct
Alveolar Duct
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Pneumocyte Type-1 Function
Pneumocyte Type-1 Function
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Clara Cell Function
Clara Cell Function
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Alveolar Macrophages
Alveolar Macrophages
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Neutrophil
Neutrophil
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Eosinophil Function
Eosinophil Function
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Polysythemia
Polysythemia
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Iron Deficiency Anemia
Iron Deficiency Anemia
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Thymus Gland
Thymus Gland
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Thymus Dependent Zone
Thymus Dependent Zone
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RBCs Shape
RBCs Shape
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Fibroblast
Fibroblast
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Dense Regular Tissue
Dense Regular Tissue
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Macrophages
Macrophages
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Adepocytes
Adepocytes
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Keratinized Epithelium
Keratinized Epithelium
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Transitional Epithelium
Transitional Epithelium
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Mitochondria
Mitochondria
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Smooth ER Function
Smooth ER Function
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Rough ER Function
Rough ER Function
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Cell Coat
Cell Coat
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Endogenous Pigments
Endogenous Pigments
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Chromatin Types
Chromatin Types
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Study Notes
- Myelin provides insulation for nerve fibers.
- Nissl bodies, found in dendrites, are developed within the rough endoplasmic reticulum (RER).
- The function of Nissl bodies is protein synthesis.
- Endoneurium surrounds individual nerve fibers.
- Epimysium surrounds muscles.
- Astrocytes provide nutrition to nerve cells.
- Microglia function as phagocytes.
- Bipolar cells are found in the retina.
- Pseudo-unipolar cells are located in the spinal ganglia.
- Multipolar cells are present in the cerebral cortex.
- Skeletal muscle is multinucleated and under voluntary control.
- Smooth muscle is involuntary, unicellular, and non-striated.
- Cardiac muscle is characterized by intercalated discs.
- The light band (I-band) contains only thin filaments.
- The Z-line is located in the center of the I-band.
- A muscle's cytoplasm is called sarcoplasm.
- The trachea contains ring-shaped cartilage.
- The trachea features pseudo-stratified epithelium with goblet cells, and it is part of the conducting zone.
- The alveolar duct is part of the respiratory zone.
- Pneumocyte Type-1 cells facilitate gas exchange.
- Clara cells secrete a type of surfactant.
- Alveolar macrophages perform phagocytosis.
- Neutrophils have a segmented nucleus.
- Eosinophils release anti-histamine.
- Polysythemia involves an increase in red blood cells (RBCs).
- Iron deficiency can lead to anemia.
- The thymus gland is a primary lymphatic organ.
- The corticomedullary junction contains the thymus-dependent zone.
- Red blood cells (RBCs) are bi-concave discs.
- Fibroblasts are the most common cell type.
- Dense regular connective tissue is found in the cornea.
- Macrophages are fixed cells.
- Adepocytes are uni-nuclear cells for fat storage.
- Stratified squamous keratinized epithelium is found in the skin.
- Transitional epithelium is present in the urinary bladder.
- Mitochondria have double membranes.
- The smooth endoplasmic reticulum (SER) is involved in detoxification.
- Protein synthesis occurs in the rough endoplasmic reticulum (RER).
- The cell coat is made of carbohydrates.
- Endogenous pigments include hemoglobin.
- Euchromatin and heterochromatin are types of chromatin.
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