| 1 |
What specific markers were used to assess the purity of the STEM-PD batch?
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LMX1A and EN1 are specific markers of midbrain dopaminergic progenitor cells. Measuring these markers confirms the purity of the STEM-PD cell batch and ensures that the manufactured cells are suitable for transplantation in Parkinson’s disease therapy. |
LMX1A and EN1 are well-established developmental markers used in stem cell differentiation to identify authentic midbrain dopaminergic progenitors and ensure product quality. |
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| 2 |
What is the primary function of AI in the medical imaging industry?
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To improve diagnostic accuracy and patient outcomes |
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AI is primarily used in medical imaging to assist clinicians in detecting abnormalities more accurately and efficiently. This supports earlier diagnosis and contributes to better patient care. |
Machine learning and deep learning algorithms analyze medical images to improve diagnostic performance and clinical decision-making. |
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| 3 |
Which of the following is a key benefit of AI in radiology noted in the article?
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Acts as a second medical opinion |
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AI assists radiologists by providing an independent analysis of medical images. This second opinion helps reduce diagnostic errors and increases confidence in clinical decisions. |
Clinical decision support systems improve diagnostic reliability by complementing, rather than replacing, physician expertise. |
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| 4 |
What does AI literacy refer to according to the article?
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Understanding and knowledge of AI technology |
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AI literacy refers to the ability to understand how AI works, its benefits, limitations, and its appropriate use in healthcare practice. |
Higher AI literacy improves users’ confidence, trust, and effective adoption of AI technologies. |
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| 5 |
Which factor is NOT listed as influencing the acceptability of AI among healthcare professionals?
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The color of the AI machines |
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The physical appearance of AI devices does not influence their acceptance. Acceptance depends on trust, usability, workflow integration, and users’ understanding of the technology. |
Technology acceptance models emphasize perceived usefulness, ease of use, and trust rather than cosmetic characteristics. |
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| 6 |
What role does social influence play in AI acceptability in healthcare according to the article?
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Affects healthcare professionals’ decisions to use AI |
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Social influence affects whether healthcare professionals are willing to adopt AI by shaping attitudes through colleagues, institutions, and professional recommendations. |
The Unified Theory of Acceptance and Use of Technology (UTAUT) identifies social influence as an important determinant of technology adoption. |
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| 7 |
What is a perceived threat regarding AI usage in healthcare settings?
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Concerns about replacing healthcare professionals |
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A common concern is that AI could replace human healthcare workers, leading to uncertainty about professional roles despite AI being intended to assist rather than replace clinicians. |
Perceived job displacement is a recognized psychological barrier to technology acceptance. |
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| 8 |
According to the article, what is essential for increasing AI acceptability among medical professionals?
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Designing human-centred AI systems |
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AI systems should be developed with users’ needs, clinical workflows, and ethical considerations in mind to encourage acceptance among healthcare professionals. |
Human-centered design improves usability, trust, and successful implementation of healthcare technologies. |
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| 9 |
What does the 'system usage' category of AI acceptability factors include according to the article?
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Factors like value proposition and integration with workflows |
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System usage includes how well AI integrates into routine clinical practice and whether it provides meaningful benefits for healthcare professionals. |
Successful technology implementation depends on workflow compatibility and perceived clinical value. |
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| 10 |
How does ethicality impact AI acceptability among healthcare professionals?
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Affects views on AI based on compatibility with professional values |
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Healthcare professionals are more likely to accept AI when it aligns with ethical principles such as patient safety, fairness, transparency, and professional responsibility. |
Ethical acceptability is an essential component of responsible AI implementation in healthcare. |
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| 11 |
What methodological approach did the article emphasize for future AI acceptability studies?
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Considering user experience and system integration deeply |
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Future studies should evaluate not only AI performance but also user experience, workflow integration, and practical implementation in clinical settings. |
Implementation science emphasizes both technical performance and human factors in healthcare innovation. |
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| 12 |
What is the primary objective of using human embryonic stem cells in treating Parkinson’s disease?
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To replace lost dopamine neurons. |
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Parkinson’s disease results from the degeneration of dopaminergic neurons. Human embryonic stem cells are differentiated into dopamine-producing neurons to replace those that have been lost. |
Cell replacement therapy aims to restore dopaminergic signaling and improve motor function. |
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| 13 |
Which animal was used to test the STEM-PD product for safety and efficacy?
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Rats |
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Rats were used as the preclinical animal model to evaluate the safety and therapeutic effectiveness of the STEM-PD product before clinical trials. |
Rodent models are widely used in preclinical biomedical research to assess efficacy and safety. |
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| 14 |
What was the duration of the preclinical safety study in rats mentioned in the article?
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9 months |
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The preclinical safety study monitored rats for nine months to evaluate long-term safety, tumor formation, and possible adverse effects after transplantation. |
Long-term animal studies are essential for assessing the safety of stem cell therapies before human use. |
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| 15 |
What is the name of the clinical trial phase mentioned for STEM-PD?
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Phase I/IIa |
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The STEM-PD product entered a Phase I/IIa clinical trial to evaluate both safety and preliminary therapeutic efficacy in patients. |
Early-phase clinical trials primarily assess safety while collecting initial evidence of clinical benefit. |
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| 16 |
How is the STEM-PD product manufactured?
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Under GMP-compliant conditions |
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STEM-PD was manufactured following Good Manufacturing Practice (GMP) standards to ensure consistent quality, safety, and regulatory compliance. |
GMP guidelines are required for producing clinical-grade cell therapy products. |
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| 17 |
According to the article, what confirmed the safety of the STEM-PD product in rats?
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There were no adverse effects or tumor formation. |
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The preclinical study showed that transplanted STEM-PD cells did not produce tumors or significant adverse effects, supporting the product’s safety. |
Tumorigenicity testing is a critical component of preclinical evaluation for stem cell therapies. |
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| 18 |
What key finding was noted in the efficacy study of STEM-PD in rats?
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Transplanted cells reversed motor deficits in rats. |
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The transplanted dopaminergic cells survived, integrated into the brain, and significantly improved motor function in the Parkinson’s disease rat model. |
Functional recovery demonstrates successful neuronal replacement and restoration of dopaminergic activity. |
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| 19 |
What role do growth factors like FGF8b and SHH play in the manufacturing process of STEM-PD?
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They are used in cell patterning for specific neural fates. |
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FGF8b and SHH direct stem cells toward a midbrain dopaminergic neuron identity during differentiation, producing the desired therapeutic cell type. |
Developmental signaling pathways regulate neural patterning and cell fate specification during stem cell differentiation. |
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| 20 |
What was a key outcome measured in the preclinical trials for efficacy in rats?
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Recovery of motor function |
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The primary measure of efficacy was whether treated rats showed improvement in movement and motor coordination after receiving the STEM-PD transplant. |
Behavioral motor tests are standard outcome measures for evaluating therapies in Parkinson’s disease animal models. |
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