An infant born with a gestational age of 254 days would be considered
A. premature.
B. normal maturity.
C. postmature.
D. immature.
E. None of these choices is correct.
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Question 2) The type of fetal monitoring that uses sound waves to visualize the developing fetus is
A. fetoscopy.
B. ultrasound.
C. amniocentesis.
D. chorionic villi sampling.
E. auscultation.
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Question 3) One of the major problems a premature infant may develop is respiratory distress syndrome. This occurs because in a premature infant
A. oxygen transport is impaired.
B. surfactant isn't produced.
C. the lungs are collapsed.
D. there aren't enough red blood cells to carry oxygen.
E. there is mixing of the arterial and venous blood.
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Question 4) The birth process is called
A. micturition.
B. gastrulation.
C. organogenesis.
D. parturition.
E. expulsion.
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Question 5) The testes leave the abdominal cavity and reach the scrotum by passing through the
A. urogenital opening.
B. inguinal canal.
C. cloaca.
D. urethra.
E. Wolffian ducts.
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Question 6) Fine, soft hair that covers the fetus is called
A. lanugo.
B. fetal hair.
C. colostrum.
D. vernix caseosa.
E. primary hair.
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Question 7) The major difference between an embryo and a fetus is that
A. a fetus can survive outside the mother's womb but an embryo cannot.
B. a fetus is smaller than an embryo.
C. organ systems are developing in an embryo while all organs are present in a fetus.
D. a fetus is a male child while an embryo is a female child.
E. None of these choices is correct.
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Question 8) An embryo becomes a fetus about
A. 14 days after fertilization.
B. 30 days after fertilization.
C. 60 days after fertilization.
D. 3 months after fertilization.
E. 6 months after fertilization.
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Question 9) The waxy coat of sloughed epithelial cells that covers the fetus is called
A. lanugo.
B. fetal hair.
C. colostrum.
D. vernix caseosa.
E. primary hair.
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Question 10) The gonads appear as the
A. paramesonephrons.
B. urogenital folds.
C. labioscrotal swellings.
D. gonadal ridges.
E. gonadal grooves.
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