Ch. 4: Prenatal Development and Birth – Flashcards
Unlock all answers in this set
Unlock answersquestion
Advances in which area are CRITICAL in attaining the age of viability? brain functioning sensory development kidney functioning weight gain
answer
a. Brain functioning
question
The correct sequence of prenatal development is: embryonic period, fetal period, germinal period. embryonic period, germinal period, fetal period. germinal period, embryonic period, fetal period. fetal period, embryonic period, germinal period.
answer
c. germinal period, embryonic period, fetal period.
question
The SRY gene signals the development of the: neural tube. placenta. cardiovascular system. sex organs.
answer
d. sex organs
question
Certain teratogens are relatively harmless in small doses but become harmful once exposure reaches a certain level. This is called: the critical period. kangaroo care. the threshold effect. postpartum depression.
answer
c. the threshold effect
question
Moderate use of the following substance has NOT been associated with fetal abnormalities: inhaled solvents. tobacco. caffeine. alcohol.
answer
c. caffeine
question
The use of tobacco during pregnancy: may affect the baby's urinary tract. poses no problem. can harm the baby's teeth. can cause deafness.
answer
a. may affect the baby's urinary tract.
question
A doula is a woman who: is pregnant for the first time. helps with the birth process. helps couples with infertility problems. counsels women who have postpartum depression.
answer
b. helps with the birth process.
question
The country with the highest percentage of cesarean sections is: Brazil United States China Chile
answer
d. chile
question
The neural tube eventually develops into: the visual system. the spinal cord. the skeletal system. the cardiovascular system.
answer
b. the spinal cord
question
Agents and conditions that harm the prenatal brain and impair learning and behavior are called: behavioral risks. critical risks. primitive streaks. behavioral teratogens.
answer
d. behavioral teratogens
question
An infant born at 34 weeks would be classified as: low birthweight. a preterm baby. SGA. ELBW.
answer
b. a preterm baby
question
What percentage of U.S. women experience postpartum depression? 2 percent 3 to 8 percent 8 to 15 percent 15 to 20 percent
answer
c. 8-15%
question
Which of the following happens during the germinal period? implantation The neural tube forms. The blastocyst becomes an embryo. The indifferent gonad differentiates.
answer
a. implantation
question
The stage of prenatal development that lasts from the ninth week after conception until birth is: fetal. blastocyst. embryonic. germinal.
answer
a. fetal
question
Which of the following reflexes is seen when an infant is startled? Babinski thrashing rooting Moro
answer
d. moro
question
Which factor is associated with neural-tube defects? alcohol exposure rubella infection excessive intake of vitamin A folic acid deficiency
answer
d. folic acid deficiency
