Identify the trimester when each fetal development finding occurs.
Select the appropriate trimester for each finding:
Formation of fingers, toes, and facial features
Fetus can hear and respond to external stimuli
Increase in body fat reserves
Brain develops most rapidly during this time
Gender can be determined
The Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"C"},"D":{"answers":"C"},"E":{"answers":"B"}}
A. Formation of fingers, toes, and facial features
Correct Trimester: 1st Trimester (Conception – 13 weeks)
Explanation:
By the end of the 1st trimester, organogenesis (organ formation) is largely complete.
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Weeks 7–8: Limb buds appear and begin differentiating into arms and legs.
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Weeks 9–12: Fingers, toes, facial features (eyes, nose, lips, ears) become clearly defined.
This is a critical period for congenital malformations if exposed to teratogens.
B. Fetus can hear and respond to external stimuli
Correct Trimester: 2nd Trimester (14–26 weeks)
Explanation:
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Around 18–20 weeks: The fetus develops the ability to hear sounds.
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External sounds can startle the fetus, and the heartbeat may change in response.
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Mother's voice and music can be recognized at this stage.
C. Increase in body fat reserves
Correct Trimester: 3rd Trimester (27–40 weeks)
Explanation:
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In the final trimester, especially after week 32, fat accumulates under the skin.
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This provides energy and helps with temperature regulation after birth.
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The fetus also gains the most weight during this period.
D. Brain develops most rapidly during this time
Correct Trimester: 3rd Trimester (27–40 weeks)
Explanation:
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Although brain development starts early, the most rapid growth occurs in the third trimester.
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There's a dramatic increase in brain volume, cortical folding, and neural connectivity.
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This trimester is essential for cognitive and motor development.
E. Gender can be determined
Correct Trimester: 2nd Trimester (14–26 weeks)
Explanation:
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By week 18–20, an ultrasound can reliably show external genitalia.
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The sex organs begin forming in the 1st trimester, but become distinct and visible by the 2nd trimester.
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This is when many parents find out the baby's gender via an anatomy scan.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D"]
Explanation
Choice A rationale
A slurping or clicking sound indicates poor latching and is often associated with air entering the mouth due to improper seal or positioning of the infant. These sounds can reflect nipple misalignment or inadequate breast tissue placement into the infant's mouth, affecting milk transfer and leading to potential breastfeeding complications, such as nipple pain or reduced milk intake.
Choice B rationale
Audible swallowing confirms that the infant is successfully transferring milk and is properly latched. Proper latch allows efficient milk removal, which triggers swallowing reflexes. It reflects an absence of air entry and indicates that the infant is receiving milk without difficulty, promoting both nutritional intake and breastfeeding success.
Choice C rationale
The infant's tongue cupping under the breast with lips flanged ensures proper latch by creating a vacuum seal. This position prevents air leakage and allows effective milk transfer. Tongue cupping and lip flanging optimize compression of the lactiferous sinuses, supporting effective breastfeeding and minimizing discomfort for the mother.
Choice D rationale
Rhythmic sucking is a sign of coordinated latch and feeding. It reflects successful milk transfer and synchronization between suckling and swallowing. Rhythmic patterns reduce the risk of nipple trauma by ensuring proper placement and suction. This indicates that breastfeeding dynamics are efficient and beneficial.
Choice E rationale
Dimpling of the infant's cheeks occurs due to suction difficulties and often signifies improper latch or weak oral musculature. It leads to air leakage and insufficient milk removal. This finding may contribute to feeding inefficiencies and nipple trauma, indicating a need for latch correction.
Correct Answer is A
Explanation
Choice A rationale
Blue-gray discolorations on the sacrum, commonly known as Mongolian spots, are benign skin markings that frequently appear in newborns of Asian, African, and Hispanic descent. Documenting this finding ensures accurate medical records and prevents misinterpretation of these congenital marks as bruising.
Choice B rationale
There is no need to notify the healthcare provider about Mongolian spots unless there is uncertainty regarding their origin. These spots are non-pathological and typically fade within the first years of life, requiring no medical intervention or immediate attention.
Choice C rationale
Clotting studies are unnecessary for blue-gray discoloration because Mongolian spots are not related to blood clotting disorders. They are caused by the accumulation of melanocytes in the dermis during fetal development, a harmless pigmentation phenomenon.
Choice D rationale
Reporting parents to Child Protective Services in this context would be inappropriate and unjustified. Mongolian spots are a common and well-documented congenital skin feature, not indicative of abuse, and misinterpreting them could lead to undue stress and harm to the family. .
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