During a prenatal class, a client reports she has an identical twin. What is the classification of twins who share the same chromosomal material?
Fraternal
Dizygotic
Trizygotic
Monozygotic
The Correct Answer is D
A. Fraternal – Incorrect; fraternal twins develop from two separate eggs and sperm and do not share identical genetic material.
B. Dizygotic – Incorrect; dizygotic twins are fraternal twins with different genetic makeup.
C. Trizygotic – Incorrect; trizygotic refers to triplets, not twins.
D. Monozygotic – Correct; monozygotic twins result from one fertilized egg that splits, leading to identical genetic material.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. "I should monitor my weight gain during the following months." – Correct; gradual and appropriate weight gain is essential for maternal and fetal health.
B. "I will consult with my doctor before using home remedies for nausea." – Correct; some herbal remedies and over-the-counter treatments can be harmful during pregnancy.
C. "I will use only nonprescription medications while pregnant." – Incorrect; even nonprescription medications can be harmful, and pregnant clients should consult their provider before using any medication.
D. "I am going to reduce my stress level." – Correct; stress management is beneficial during pregnancy.
Correct Answer is ["B","D","E"]
Explanation
A. The amniotic fluid produces hormones necessary for fetal development. – Incorrect; the placenta, not the amniotic fluid, is responsible for hormone production.
B. The amniotic fluid regulates the temperature of the fetus. It helps maintain a constant temperature. – Correct; amniotic fluid provides thermal regulation for the fetus.
C. The amniotic fluid aids in digestion and absorption of nutrients. – Incorrect; the fetus obtains nutrients via the placenta, not the amniotic fluid.
D. The amniotic fluid cushions and protects the fetus. – Correct; amniotic fluid acts as a shock absorber, protecting the fetus from trauma.
E. Amniotic fluid allows the fetus to move freely. Aids in symmetric growth by providing an unrestricted environment. – Correct; amniotic fluid prevents fetal deformities by allowing movement and growth.
F. The amniotic fluid regulates the fetal heart rate. – Incorrect; fetal heart rate is regulated by the autonomic nervous system and placental function, not amniotic fluid.
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