PSY 1012- 9.1 Prenatal Development and Beyond

Which of the following represents the correct order of prenatal development?

1) germinal period, embryonic period, fetal period

2) germinal period, zygotic period, fetal period

3) fetal period, embryonic period, germinal period

4) embryonic period, germinal period, fetal period

1) germinal period, embryonic period, fetal period

During the germinal period:

1) the mother can feel the fetus moving.

2) the pregnant woman is highly susceptible to colds and infections.

3) all of the organs and the major body systems have formed.

4) the zygote becomes implanted on the mother's uterine wall.

4) the zygote becomes implanted on the mother's uterine wall.

If Claudia wishes to make sure that her newborn infant can see her face as clearly as possible, Claudia should position her face so that she is about _____ away from her newborn's face.

1) five inches

2) six feet

3) three feet

4) twelve inches

4) twelve inches

During the embryonic period, the:

1) zygote undergoes rapid cell division.

2) fetus gains an additional three to four pounds of body fat.

3) mother can feel the fetus moving.

4) organs and major systems of the body form.

4) organs and major systems of the body form.

The embryo will live in a fluid filled reservoir called the _______. This reservoir acts as both a cushion against outside pressure and as a temperature regulator.

1) amniotic sac

2) umbilical cord

3) ovarian tube

4) placental wall

1) amniotic sac

When you put your finger on your newborn nephew's palm, he curls his own fingers around yours, grasping your finger tightly. You have triggered what sort of behavior?

1) the Rooting reflex

2) the Moro reflex

3) the Grasping reflex

4) a newborn's inborn preference to seek human contact

3) the Grasping reflex

Which of the following is true of the placenta?

1) It forms during the seventh month of prenatal development.

2) It is the fluid-filled sac that houses the developing embryo and fetus.

3) It fully develops six months after birth.

4) It allows the exchange of nutrients between the embryo and the mother, while at the same time filtering out harmful material.

4) It allows the exchange of nutrients between the embryo and the mother, while at the same time filtering out harmful material.

The newly born infant:

1) is capable of a variety of voluntary behaviors, including rolling over.

2) is able to see near objects more clearly than distant objects.

3) is unable to distinguish between different voices.

4) has no sense of smell.

2) is able to see near objects more clearly than distant objects.

Of the following senses, which is least developed at birth?

1) vision

2) smell

3) touch

4) hearing

1) vision

Which of the following statements best represents contemporary thinking on the nature/nurture issue?

1) The relationship between genetics and environment is interactive; each influences the other.

2) Environmental factors can determine the expression of genetic potential, but only during infancy.

3) Genetic factors alone determine physical appearance, including height and weight, but only environmental factors influence personality characteristics.

4) While genetic factors determine personality, environmental factors determine intelligence and cognitive ability.

1) The relationship between genetics and environment is interactive; each influences the other.