Psychology - Life Span - Chapter 4 - Book Work (Pt 1)

15 Questions | By Nursing_student | Updated: Mar 22, 2022 | Attempts: 119

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Psychology 237 Life Span

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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