Psychology 305 Chapter 3

Question 1

Implantation

Answer 1

Between the seventh and ninth day, the Blastocyst burrows deep into the uterine lining

Question 2

Amnion

Answer 2

Is another word for the membrane which encloses the developing organism in amniotic fluid, which helps keep the temperature of the prenatal world of consent and provides a cushion against any jolts caused by the woman’s movement.

Question 3

Chorion

Answer 3

which surrounds the amnion. Tiny hairlike bloodvesels emerge.

Question 4

Placenta

Answer 4

Brings the embryos and the mothers blood together, the placenta permits foods and oxygen to reach the organism and waste products get carried away.

Question 5

Umbilical cord

Answer 5

First appears as a tiny stalk during the course of pregnancy grows into a 1 foot cord which is one large vein that delivers blood loaded with nutrients and two arteries that remove waste products

Question 6

Embryo

Answer 6

Embryo period lasts from implantation through the eighth week of pregnancy. During these brief six weeks, the most rapid prenatal changes take place and the groundwork is laid for all body structures and internal organs.

Question 7

Neural tube

Answer 7

Is the primitive spinal cord

Question 8

Fetus

Answer 8

Is the period from the ninth week to the end of pregnancy, it is the longest prenatal period. During this growth and finishing phase the organism increases rapidly in size

Question 9

Trimesters

Answer 9

Prenatal development is sometimes divided into three equal time periods

Question 10

Vernix

Answer 10

Is a white cheese like substance that protects its skin from chapping during the long months spent bathing in the amniotic fluid.

Question 11

Lanugo

Answer 11

Is the white downy hair that appears over the entire body helping the Vernix stick to skin.

Question 12

Age of Viability

Answer 12

The point where the baby can first survive occurs some time between 22 and 26

Question 13

Teratogen

Answer 13

Refers to any environmental agent that causes damage during the prenatal period

Question 14

Fetal alcohol spectrum disorder (FASD)

Answer 14

A term that encompasses a range of physical, mental, and behavioral outcomes caused by prenatal alcohol exposure

Question 15

Fetal alcohol syndrome

Answer 15

Distinguished by a slow physical growth a pattern of three facial abnormalities (short eyelid openings, facial indentations), Brain injury

Question 16

Alcohol related neurodevelopment disorder

Answer 16

In which at least three areas of mental functioning are impaired, despite typical physical growth absence of facial abnormalities. Again prenatal alcohol exposure through confirmed, is less pervasive than in FAS

Question 17

Rh factor incompatibility

Answer 17

When the mother is Rh-negative and the father is Rh-Positive -has the protein. The baby may inherit the father Rh positive blood type. If even a little of a fetus’s RH positive blood crosses the plecenta into the Rh Negative mother bloodstream, she begins to form antibodies to the foreign Rh protein. If these enter the fetus’s system they destroy red blood cells reducing the oxygen supply to organs and tissues.

Question 18

Apgar Scale

Answer 18

Assesses the newborns physical conditions quickly, doctors and nurses use this scale

Question 19

Natural or Prepared childbirth

Answer 19

A group of techniques aimed at reducing pain and medical intervention and making childbirth a rewarding experience

Question 20

Anoxia

Answer 20

inadequate oxygen supply

Question 21

Breech position

Answer 21

Is turned so that the buttocks or feet would be delivered first

Question 22

Fetal monitors

Answer 22

Are electronic instruments that track the baby’s heart rate during labor

Question 23

Cesarean delivery

Answer 23

Is a surgical birth; the doctor makes an incision in the mothers abdomen and lifts the baby out of the uterus.

Question 24

Pretern infants

Answer 24

Are those born several week or more before due date

Question 25

Small-for-date infants

Answer 25

are below their expected weight considering length of the pregnancy

Question 26

Reflex

Answer 26

Is an inborn automatic response to a particular form of stimulation

Question 27

States of Arousal

Answer 27

Degrees of sleep and wakefulness

Question 28

Rapid Eye Movement (REM)

Answer 28

during sleep brain wave activity is remarkably similar to that of the waking state. The eyes dart beneath the lids they are dreaming

Question 29

Visual acuity

Answer 29

Fineness of discrimination.

Question 30

Neonatal Behavioral assessment scale NBAS

Answer 30

Evaluates the new borns reflexes, muscle tone, state changes, responsiveness to physical and social stimuli, and other reactions.