What occurs in the embryonic stage of fetal development?
Maturation of germ cells in ovaries
Gender differentiation takes place
Implantation begins
Differentiation begins
The Correct Answer is B
A. Maturation of germ cells in ovaries – Incorrect; this occurs later in fetal development and after birth.
B. Gender differentiation takes place – Correct; the embryonic stage (weeks 3-8) is when gender differentiation occurs at around week 7-8.
C. Implantation begins – Incorrect; implantation happens in the blastocyst stage (week 1-2), before the embryonic stage.
D. Differentiation begins – Incorrect; cell differentiation starts earlier, in the blastocyst stage, before full embryonic development.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Body weight – Correct; the best indicator of fluid loss in infants is a change in weight because infants have higher water content and small changes can significantly impact hydration status.
B. Blood pressure – Incorrect; infants can maintain blood pressure until dehydration becomes severe.
C. Respiratory rate – Incorrect; respiratory rate may increase with dehydration but is not the most reliable indicator.
D. Skin integrity – Incorrect; poor skin turgor is a sign of dehydration, but weight loss is more objective and accurate.
Correct Answer is B
Explanation
A. Increased risk of vomiting – Incorrect; ORS does not increase vomiting risk. It is given in small amounts to prevent vomiting.
B. Alleviation of diarrhea symptoms – Incorrect; ORS does not stop diarrhea, but it prevents dehydration.
C. Decreased levels of electrolytes – Incorrect; ORS helps restore electrolytes, not decrease them.
D. Increased risk of dehydration – Incorrect; ORS prevents dehydration, which is its primary purpose.
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