Question 1

Which of the following best describes the cephalocaudal pattern of prenatal development?

Accepted Answer

Development proceeds from the head downward.

Question 2

During which prenatal stage does organogenesis primarily occur?

Accepted Answer

Embryonic stage

Question 3

A woman is 10 weeks pregnant. Which of the following is most accurate regarding the risk of teratogen exposure at this time?

Accepted Answer

The risk is lower than during the first 8 weeks, but some systems may still be vulnerable.

Question 4

Which of the following is a function of the placenta during prenatal development?

Accepted Answer

It allows for the transfer of substances between mother and embryo without mixing their blood.

Question 5

A couple is undergoing IVF and has embryos frozen for future use. What is the term for this process?

Accepted Answer

Cryopreservation

Question 6

Which of the following best describes a trisomy?

Accepted Answer

A condition in which there are three copies of a specific autosome.

Question 7

Which prenatal structure connects the embryo to the placenta?

Accepted Answer

Umbilical cord

Question 8

A pregnant woman is exposed to a teratogen during the embryonic stage. Which of the following outcomes is most likely?

Accepted Answer

Increased risk of congenital anomalies

Question 9

Which of the following is NOT a typical function or feature of the amniotic fluid?

Accepted Answer

Provides nutrients directly to the fetus

Question 10

Which of the following statements about fraternal (dizygotic) twins is correct?

Accepted Answer

They are conceived when two separate ova are fertilized by two different sperm.

Question 11

A newborn is assessed using the Apgar scale. Which of the following is NOT a category on the Apgar scale?

Accepted Answer

Blood pressure

Question 12

Which of the following best describes the process of neural proliferation during prenatal brain development?

Accepted Answer

Neurons are rapidly produced in large numbers.

Question 13

A pregnant woman smokes throughout her pregnancy. Which of the following is NOT a likely risk for her baby?

Accepted Answer

Higher chance of congenital heart defects

Question 14

Which of the following is the correct order of the three main prenatal stages?

Accepted Answer

Germinal, Embryonic, Fetal

Question 15

Which of the following is a key event of the fetal stage of prenatal development?

Accepted Answer

Refinement of organ systems and rapid growth

Question 16

A baby is born at 28 weeks gestation. Which of the following statements is most accurate?

Accepted Answer

The baby has a good chance of survival with medical support, but risks remain.

Question 17

Which of the following best explains why early prenatal care is important?

Accepted Answer

It helps prevent birth defects by monitoring organ development.

Question 18

Which of the following is a real-world example of a chromosomal condition discussed in prenatal development?

Accepted Answer

Down syndrome, which is caused by trisomy 21

Question 19

A woman gives birth via Caesarean section. Which of the following is NOT a typical reason for this procedure?

Accepted Answer

Mother requests a shorter recovery time

Question 20

Which of the following best describes the proximodistal pattern of prenatal development?

Accepted Answer

Development proceeds from the center of the body outward.

Prenatal Development and Birth: Study Notes for Psychology Students

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