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Exam 2: Biological Beginnings

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Question 101

Multiple Choice

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Which of the following is TRUE of the stages of childbirth?

A) The first stage terminates when the baby completely emerges from the mother's body.
B) Uterine contractions start in the final stage of the birth process.
C) The first stage is the longest of the three birth stages.
D) The first stage of birth is longer for a woman who is having her second or third child.

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Question 102

Multiple Choice

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Which of the following is the U.S. Surgeon General's recommendation regarding alcohol intake during pregnancy?

A) It is wise to consume alcohol in moderation at the time of conception.
B) One or two servings of beer or wine a few days a week can have positive effects on the fetus.
C) No alcohol should be consumed during pregnancy.
D) One or two servings of hard liquor a few days a week can have positive effects on the fetus.

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Question 103

Multiple Choice

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Dr. Pamarti is studying breast cancer by obtaining DNA samples from women who have breast cancer and those who don't, and completing genetic profiles on each group to find where the genetic differences are. This method is called:

According to recent studies, the number of protein-producing genes is predicted to be:

Shannon's son was born early and weighed 4.8 pounds. After considering her options, Shannon chooses to spend time with her son by holding him upright against her bare chest, while he is wearing only a diaper, to maximize skin-to-skin contact. She is using:

Erin is 90 years old. She has relatively good health and is fully mobile. Most of Erin's blood relatives lived to a much later age than most of their same-age friends. Which of the following genes might be responsible for this?

Rachel loves to read books and also encourages her daughter to read by regularly taking her to the local library so she can check out lots of books. Rachel's daughter is now an avid reader. This reflects a(n) _____ correlation.

Rachel is in the first period of prenatal development, just following fertilization. Even though she doesn't know it, she is in the _____ period of prenatal development.

Timothy is a quiet six-year-old who is usually withdrawn in class. As a result, he does not receive much attention from his peers and mostly plays by himself. According to Sandra Scarr, this is an example of a(n) :

The period of prenatal development that occurs two to eight weeks after conception. During this time, the rate of cell differentiation intensifies, support systems for the cells form, and organs appear.

Which of the following diseases is transmitted to the newborn during delivery through the birth canal?

Sara is so anxious to actually feel her baby moving in the womb. Her doctor tells her that usually mothers first feel the arm or leg movements of their baby around the end of the _____ month of pregnancy.

A prenatal medical procedure in which a sample of amniotic fluid is withdrawn by syringe and tested for chromosomal or metabolic disorders.

The adjustment period that follows the birth of a child, usually about six weeks long, is called the:

Which of the following is NOT a criticism of the evolutionary perspective?

During _____, a cell of the testes in men or ovaries in women duplicates its chromosomes and then divides twice, thus forming four cells, each of which has only half the genetic material of the parent cell.

Tamera has a genetic disorder where her red blood cells take on a hook shape instead of the normal disk shape. The doctors tell Tamera's parents that she has _____.

Marlena, who just found out she is pregnant, has very poor eating habits. Her total calorie intake is very low. She eats very little protein and unbalanced amounts of vitamins and minerals. If she continues her present eating habits, which of the following is MOST likely to occur?

What is the difference between a gamete and a zygote?

Alicia is pregnant and a heavy smoker. Which of the following is her baby MORE likely to have than is the baby of a nonsmoker?