Questions and Answers
What is the primary instructional method used in this session?
Which learning objective involves evaluating the germ layers affected in a clinical scenario?
The session emphasizes a flipped classroom approach. What is the main goal of this approach?
How many learning objectives are outlined for this session?
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What is NOT a required reading for the session?
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Which type of learning does the session NOT incorporate?
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What should participants review prior to attending the session?
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Which anatomical structures are likely to be discussed in relation to germ layer injuries?
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What are the two embryonic layers present in early development?
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Which structures contribute to the formation of the placenta?
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Which extraembryonic sacs or membranes are present during early embryonic development?
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Which of the following describes the three germ layers formed during development?
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During body folding in Week 4, which fold is associated with the neural groove?
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What are the three extraembryonic membranes present by Week 3?
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What is primarily affected during the critical periods of embryological development?
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Which type of twinning is characterized by two separate fertilized eggs?
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What is the primary precursor to the placenta during the early stages of development?
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In embryonic development, what does the term 'Rule of 1s' refer to during Week 1?
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Which germ layer is primarily responsible for forming the nervous system?
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What distinguishes a monochorionic diamniotic twin from other twin types?
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What is the embryological structure that forms during the first week of development?
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Which of the following are the three stages of development where teratogen exposure could result in severe outcomes?
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Study Notes
Session Overview
- Active Learning Embryology session on August 6, 2024, from 10:30 am to 12:00 pm.
- Directed by James Proffitt, PhD, from the Department of Cellular & Molecular Medicine.
- Session employs a flipped classroom format, emphasizing discussion and large group engagement.
Instructional Methods
- Primary method: IM07 - Discussion, Large Group (more than 12 participants).
- Resources include written or visual media relevant to embryology concepts.
Learning Objectives
- Assess the impact of teratogen exposure and congenital infections during various developmental stages.
- Identify involved germ layers in specific clinical cases.
- Predict anatomical structures affected by damage to specific germ layers.
- Classify types of twinning based on morphology and timing.
- Relate foundational embryology concepts to clinical scenarios.
Key Concepts to Review
- Distinction between Embryological vs. Gestational Developmental Timelines.
- Recognize critical periods in embryonic development; identify three stages most susceptible to teratogen-induced injuries.
- Understand germ layers and categorize anatomical structures accordingly.
Types of Twinning
- Dizygotic: Two separate eggs fertilized.
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Monozygotic:
- Dichorionic Diamniotic: Two chorions, two amniotic sacs.
- Monochorionic Diamniotic: One chorion, two amniotic sacs.
- Monochorionic Monoamniotic: One chorion, one amniotic sac.
Developmental Timeline Key Events
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Week 1:
- Rule of 1s: One embryonic precursor (embryoblast), one placental precursor (trophoblast), one fluid-filled sac (blastocoel).
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Week 2:
- Rule of 2s: Two embryonic layers (epiblast, hypoblast), two placental contributors (cytotrophoblast, syncytiotrophoblast), two extraembryonic sacs (amnion, primary yolk sac).
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Week 3:
- Rule of 3s: Three germ layers (ectoderm, mesoderm, endoderm), three key structures (primitive streak, notochord, neural plate), three extraembryonic membranes (amnion, secondary yolk sac, allantois).
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Week 4:
- Dorsal fold (neural groove), ventral fold (body cavities), craniocaudal fold (fetal positioning due to head growth and elongation).
Preparation for Session
- Review lecture notes and previous embryology recordings to grasp core concepts and enhance discussion readiness.
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Description
This quiz focuses on the principles of active learning in the context of embryology within the Foundations block. It aims to assess understanding of cellular and molecular medicine as taught by Dr. James Proffitt. Engage with key concepts and apply them in a discussion format.
