Biology ยท Computer Knowledge
Medical and Biomedical Technology
1,624 Questions
Biomedical technology involves the application of engineering principles to medicine and biology. This hub covers medical robotics, tissue engineering, and cellular reprogramming. These concepts are essential for various competitive exams assessing general science and biology.
Medical roboticsTissue engineeringTranslational researchStem cell applicationsDrug delivery systems
Medical and Biomedical Technology Questions
What is the role of surface topography in scaffold design?
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It influences cell adhesion and migration.
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It affects the mechanical properties of the scaffold.
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It controls the release of bioactive molecules.
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It determines the scaffold's biodegradability.
A
Correct answer
Explanation
Surface topography plays a significant role in scaffold design as it influences cell adhesion and migration. Specific surface features, such as roughness and micropatterns, can guide cell attachment and migration, promoting tissue regeneration.
Which of the following is a common method for assessing scaffold biocompatibility?
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In vitro cytotoxicity assays
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In vivo animal studies
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Mechanical testing
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Imaging techniques
A
Correct answer
Explanation
In vitro cytotoxicity assays are commonly used to assess scaffold biocompatibility by evaluating the effects of scaffold materials and extracts on cell viability and proliferation.
What is the primary goal of scaffold vascularization?
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To promote nutrient and oxygen transport to the engineered tissue.
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To facilitate the removal of waste products.
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To enhance cell migration and infiltration.
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To improve the mechanical stability of the scaffold.
A
Correct answer
Explanation
Scaffold vascularization aims to promote nutrient and oxygen transport to the engineered tissue, ensuring the survival and functionality of the cells within the scaffold.
Which of the following techniques is commonly used to create interconnected pores within scaffolds?
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Gas foaming
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Electrospinning
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3D printing
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Phase separation
A
Correct answer
Explanation
Gas foaming is a widely used technique for creating interconnected pores within scaffolds. It involves introducing a gas into a polymer solution or melt, which expands and creates pores upon solidification.
What is the purpose of incorporating growth factors into scaffolds?
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To stimulate cell proliferation and differentiation.
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To promote angiogenesis and vascularization.
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To enhance the mechanical properties of the scaffold.
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To control the release of bioactive molecules.
A
Correct answer
Explanation
Incorporating growth factors into scaffolds aims to stimulate cell proliferation and differentiation, guiding the cells to form the desired tissue type.
Which of the following is a critical factor to consider when designing scaffolds for neural tissue engineering?
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Electrical conductivity
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Mechanical strength
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Biodegradability
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Porosity
A
Correct answer
Explanation
Electrical conductivity is a critical factor to consider when designing scaffolds for neural tissue engineering, as it facilitates the transmission of electrical signals between neurons, which is essential for neural function.
What is the main advantage of using decellularized extracellular matrix (ECM) as a scaffold material?
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It provides a natural microenvironment for cell growth.
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It promotes cell adhesion and migration.
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It enhances the mechanical properties of the scaffold.
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It facilitates the release of bioactive molecules.
A
Correct answer
Explanation
Decellularized ECM provides a natural microenvironment for cell growth, as it retains the biochemical and structural cues that guide cell behavior and tissue regeneration.
What is the role of 3D printing in urban healthcare technology?
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Creating custom medical devices and implants
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Developing patient-specific anatomical models for surgical planning
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Printing pharmaceutical products for personalized medicine
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All of the above
D
Correct answer
Explanation
3D printing technology plays a significant role in urban healthcare by creating custom medical devices and implants, developing patient-specific anatomical models for surgical planning, and printing pharmaceutical products for personalized medicine.
Which type of manufacturing facility is designed to produce sterile pharmaceutical products?
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Aseptic processing facility
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Solid dosage manufacturing facility
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Liquid dosage manufacturing facility
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Biopharmaceutical manufacturing facility
A
Correct answer
Explanation
Aseptic processing facilities are specifically designed to produce sterile pharmaceutical products by maintaining a sterile environment throughout the manufacturing process, preventing contamination of the products.
Which type of pharmaceutical manufacturing facility is designed to produce solid dosage forms, such as tablets and capsules?
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Aseptic processing facility
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Solid dosage manufacturing facility
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Liquid dosage manufacturing facility
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Biopharmaceutical manufacturing facility
B
Correct answer
Explanation
Solid dosage manufacturing facilities are designed to produce solid dosage forms, such as tablets and capsules, using processes like mixing, granulation, compression, and coating.
Which type of pharmaceutical manufacturing facility is designed to produce liquid dosage forms, such as syrups and injections?
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Aseptic processing facility
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Solid dosage manufacturing facility
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Liquid dosage manufacturing facility
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Biopharmaceutical manufacturing facility
C
Correct answer
Explanation
Liquid dosage manufacturing facilities are designed to produce liquid dosage forms, such as syrups, injections, and suspensions, using processes like mixing, filtration, and sterilization.
What is the primary goal of regenerative medicine in veterinary medicine?
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To prevent diseases in animals
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To enhance animal performance
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To repair or replace damaged tissues and organs in animals
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To improve animal welfare
C
Correct answer
Explanation
Regenerative medicine aims to restore or regenerate damaged tissues and organs, offering potential treatments for various conditions in animals.
Which of the following is not a key principle of regenerative medicine?
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Cell therapy
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Tissue engineering
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Gene therapy
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Drug therapy
D
Correct answer
Explanation
Drug therapy is not a key principle of regenerative medicine, which primarily focuses on cell therapy, tissue engineering, and gene therapy.
What is the process of using stem cells to repair or replace damaged tissues called?
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Cell therapy
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Tissue engineering
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Gene therapy
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Immunotherapy
A
Correct answer
Explanation
Cell therapy involves the use of stem cells to repair or replace damaged tissues or organs.
Which type of stem cell is commonly used in veterinary regenerative medicine?
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Embryonic stem cells
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Adult stem cells
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Induced pluripotent stem cells
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All of the above
D
Correct answer
Explanation
Veterinary regenerative medicine utilizes various types of stem cells, including embryonic stem cells, adult stem cells, and induced pluripotent stem cells.