Question 1

Which of the following was a primary goal of the Human Genome Project?

Accepted Answer

To map and identify all human genes

Question 2

During which period of pregnancy do most critical developmental events occur?

Accepted Answer

First trimester

Question 3

Which statement best describes the difference between monozygotic and dizygotic twins?

Accepted Answer

Monozygotic twins originate from one fertilized ovum, while dizygotic twins originate from two separate ova.

Question 4

Which of the following is a plausible outcome of inadequate nutrition during the first trimester of pregnancy?

Accepted Answer

Disruption of basic structural development in the fetus

Question 5

Gene therapy often uses a virus vector to deliver therapeutic genes. What is the main ethical concern associated with this method?

Accepted Answer

Potential unintended effects on non-target cells

Question 6

Which of the following best describes the role of microbiomes in newborn health?

Accepted Answer

Microbiomes acquired before and after birth influence immunity and disease risk throughout life.

Question 7

A woman is pregnant with twins. Genetic testing reveals that the twins are of different sexes. Which type of twins are they most likely to be?

Accepted Answer

Dizygotic twins

Question 8

Which of the following is NOT a benefit of exercise during pregnancy?

Accepted Answer

Increased risk of fetal abnormalities

Question 9

Which technique is most effective for calming a newborn infant?

Accepted Answer

Swaddling and rocking

Question 10

Which of the following best illustrates the concept of bonding and attachment between parents and newborns?

Accepted Answer

Parents spend time holding, cuddling, and interacting with the newborn

Question 11

A genetic counselor discusses the risk of inheriting a syndrome with prospective parents. Which term best describes this process?

Accepted Answer

Genetic counseling

Question 12

Which of the following is a modification recommended for exercise during pregnancy?

Accepted Answer

Making simple adjustments to maintain safety and comfort

Question 13

Which of the following best describes the process of human fertilization?

Accepted Answer

Sperm penetrates the ovum in the upper portion of the fallopian tube

Question 14

Which equation best represents the probability $$P of a $$child inheriting a dominant gene from one heterozygous parent and one homozygous recessive parent?

Accepted Answer

$$P = 0.5$$

Question 15

Which of the following is a developmental task of the neonate according to Piaget's sensorimotor stage?

Accepted Answer

Learning to focus on and follow moving objects

Question 16

Which factor is most likely to influence the intelligence potential of a newborn infant?

Accepted Answer

Genetics and environment

Question 17

A newborn is placed in a pre-warmed bed and its head is covered after birth. What is the primary purpose of these actions?

Accepted Answer

To minimize heat loss and stabilize body temperature

Question 18

Which of the following best describes the emotional changes during the transition to motherhood?

Accepted Answer

Hormonal changes, mood swings, and reorganization of tasks

Question 19

Which of the following is a real-world example of cultural influence on prenatal care?

Accepted Answer

A family insists on traditional herbal remedies during pregnancy, which the health-care provider must respect and consider.

Question 20

Which screening procedure can diagnose some adult-onset diseases before symptoms appear, without analyzing DNA?

Accepted Answer

Screening individual patients for specific genetic problems

Chapter 6: Prenatal Influences on Healthy Development: Genetics, Fetal Development, and Early Life

Study Guide - Practice Questions

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