Psychology - Life Span - Chapters 3 - 4 - Credit Quizzes

36 Questions  I  By Nursing_student on April 5, 2009
Psychology 237 Life Span

  
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1.  Some families have only male offspring generation after generation. Given the text information about genetics, which of the following could be the explanation?
A.
B.
C.
D.
2.  Each gene contains instructions for specific proteins. What does a protein contain?
A.
B.
C.
D.
3.  Chromosomal abnormalities occur when a zygote's cells have:
A.
B.
C.
D.
4.  Because Lora is pregnant, she drinks only one glass of wine a day and smokes fewer cigarettes than previously. She should be told that:
A.
B.
C.
D.
5.  Approximately 99 percent of human genes are also present in other creatures. Given the percentage of genes we share with cats, for example, why are we so different from them?
A.
B.
C.
D.
6.  Brain damage, loss of vision, and mental retardation which may be caused by eating undercooked meat and handling cat feces or garden dirt is attributable to:
A.
B.
C.
D.
7.  A condition characterized by difficulties in movement and speech that results from genetic vulnerability and anoxia during birth is:
A.
B.
C.
D.
8.  Given a set of quadruplets consisting of two girls and two boys, AT LEAST how many ova had to be fertilized?
A.
B.
C.
D.
9.  Phenotype is a result of:
A.
B.
C.
D.
10.  Because most traits are polygenic, they are:
A.
B.
C.
D.
11.  Fraternal twins usually result from:
A.
B.
C.
D.
12.  Monozygotic twins are produced when:
A.
B.
C.
D.
13.  Males have a greater genetic vulnerability to harm by teratogens because they:
A.
B.
C.
D.
14.  An individual with at least one X chromosome in the twenty-third pair:
A.
B.
C.
D.
15.  When the blastocyst separates into two distinct masses approximately a week after conception, the masses will become the:
A.
B.
C.
D.
16.  Imagine that eye color is determined by only one pair of genes and that brown eyes are dominant over blue eyes. If you are blue-eyed and both your parents are brown-eyed, you know that:
A.
B.
C.
D.
17.  Reed weighed 3.5 pounds at birth. Now an adult, he was surprised to learn from his physician that some risks associated with his birthweight persists. Specifically, he is still at a relatively high risk for:
A.
B.
C.
D.
18.  Identify the psychoactive drug that slows fetal growth the most:
A.
B.
C.
D.
19.  The critical factor in attaining the age of viability is:
A.
B.
C.
D.
20.  Molecules of DNA are referred to as:
A.
B.
C.
D.
21.  Babies born between 23 and 26 weeks after conception often experience challenges such as cerebral palsy and developmental delays. By about the age of 8, the percentage of children who experience no overall disability approximates:
A.
B.
C.
D.
22.  An organism's entire genetic inheritance is referred to as its:
A.
B.
C.
D.
23.  A woman has just had twins, a boy and a girl. That means they came from:
A.
B.
C.
D.
24.  Studies show that early skin contact between parents and newborns is not necessary for the development of a strong parent-infant bond.
A.
B.
25.  During the germinal period, the first task of the outer cells is to:
A.
B.
C.
D.
26.  Each gene contains instructions for specific proteins. What does a protein contain?
A.
B.
C.
D.
27.  The fetus begins to develop male sex organs if:
A.
B.
C.
D.
28.  Mariel contracted rubella early in her pregnancy. Damage is most likely to affect the embryo's:
A.
B.
C.
D.
E.
29.  X-linked diseases are more common for females than for males, because females have two X chromosomes.
A.
B.
30.  Lee is an obstetrical nurse who is administering the Apgar. Which reaction should be rated as a 2?
A.
B.
C.
D.
31.  Approximately how many genes are contained in the human genome?
A.
B.
C.
D.
32.  The first hours and days of human development involve the processes of:
A.
B.
C.
D.
33.  The proportion of all zygotes that have an abnormal number of chromosomes is about:
A.
B.
C.
D.
34.  Cloning differs from giving birth to monozygotic twins because:
A.
B.
C.
D.
35.  Alcoholism is caused by:
A.
B.
C.
D.
36.  Identify the accurate statement:
A.
B.
C.
D.
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