Correct Answer: Correct answer is: (A) Germinal? Embryonic? Fetal.
Exam Relevance: MCAT, USMLE, NCLEX
Difficulty: Easy
Concept notes: The prenatal development stages are ordered as Germinal, Embryonic, and Fetal.
Common Mistakes: Students may confuse the order of the stages, particularly the Embryonic and Fetal stages.
Explanations: The Germinal stage is the initial phase, lasting about two weeks from fertilization to implantation. The Embryonic stage follows, spanning from the third week to the eighth week post-fertilization, during which major organs and structures develop. The Fetal stage is the final phase, from the ninth week until birth, where the fetus grows and matures.
Option Analysis: - Option A: Correct. The stages are in the correct order: Germinal, Embryonic, Fetal.
- Option B: Incorrect. The Embryonic stage cannot precede the Germinal stage.
- Option C: Incorrect. The Fetal stage cannot occur before the Embryonic stage.
- Option D: Incorrect. The Embryonic stage cannot precede the Germinal stage.
Mnemonic: G-E-F: Growing, Evolving, Forming