Psychology - Life Span - Chapter 4 - Book Work (Pt 1)
Psychology 237 Life Span
- 1.The third through the eighth week after conception is called the:
- A.
Embryonic period
- B.
Ovum period
- C.
Fetal period
- D.
Germinal period
- 2.The primitive streak develops into the:
- A.
Respiratory system
- B.
Umbilical cord
- C.
Brain and spinal column
- D.
Circulatory system
- 3.To say that a teratogen has a "threshold effect" means that it is:
- A.
Virtually harmless until exposure reaches a certain level
- B.
Harmful only to low-birthweight infants
- C.
Harmful to certain developing organs during periods when these organs are developing most rapidly
- D.
Harmful only if the pregnant woman's weight does not increase by a certain minimum amount during her pregnancy
- 4.By the eighth week after conception, the embryo has almost all basic organs except the:
- A.
Skeleton
- B.
Elbows and knees
- C.
Sex organs
- D.
Fingers and toes
- 5.The most critical factor in attaining the age of viability is development of the:
- A.
Placenta
- B.
Eyes
- C.
Brain
- D.
Skeleton
- 6.An important nutrient that many women do not get in adequate amounts from the typical diet is:
- A.
Vitamin A
- B.
Zinc
- C.
Guanine
- D.
Folic acid
- 7.An embryo begins to develop male sex organs if ________, and female sex organs if _________.
- A.
Genes on the Y chromosome send a signal; no signal is sent from an X chromosome
- B.
Genes on the Y chromosome send a signal; genes on the X chromosome send a signal
- C.
Genes on the X chromosome send a signal; no signal is sent from an X chromosome
- D.
Genes on the X chromosome send a signal; genes on the Y chromosome send a signal
- 8.A teratogen:
- A.
Cannot cross the placenta during the period of the embryo
- B.
Is usually inherited from the mother
- C.
Can be counteracted by good nutrition most of the time
- D.
May be a virus, a drug, a chemical, radiation, or environmental pollutants
- 9.Among the characteristics of babies born with fetal alcohol syndrome are:
- A.
Slowed physical growth and behavior problems
- B.
Addiction to alcohol and methadone
- C.
Deformed arms and legs
- D.
Blindness
- 10.The birth process begins:
- A.
When the fetus moves into the right position
- B.
When the uterus begins to contract at regular intervals to push the fetus out
- C.
About eight hours (for firstborns) after the uterus begins to contract at regular intervals
- D.
When the baby's head appears at the opening of the vagina
- 11.The Apgar scale is administered:
- A.
Only if the newborn is in obvious distress
- B.
Once, just after birth
- C.
Twice, one minute and five minutes after birth
- D.
Repeatedly during the newborn's first hours
- 12.Most newborns weigh about:
- A.
5 lbs
- B.
6 lbs
- C.
7.5 lbs
- D.
8.5 lbs
- 13.Low-birthweight babies born near the due date but weighing substantially less than they should:
- A.
Are classified as preterm
- B.
Are called small for gestational age
- C.
Usually have no sex organs
- D.
Show many signs of immaturity
- 14.Approximately one out of every four low-birthweight births in the US is caused by maternal use of:
- A.
Alcohol
- B.
Tobacco
- C.
Crack cocaine
- D.
Household chemicals
- 15.The idea of a parent-infant bond in humans arose from:
- A.
Observations in the delivery room
- B.
Data on adopted infants
- C.
Animal studies
- D.
Studies of disturbed mother-infant pairs
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