Lecture 18

Question 1

this is the growth of a fertilized egg between conception and birth

Answer 1

prenatal development

Question 2

what are the 3 stages to prenatal development

Answer 2

germinal, embryonic and fetal

Question 3

this is the time from 9th week of gestation to birth

Answer 3

fetal development

Question 4

the circulatory system is integrated with the placenta through the ___

Answer 4

umbilical cord

Question 5

fetal circulation runs in parallel, the left ventricle provides __% of cardiac out put and right __%

Answer 5

35%, 65%

Question 6

at 5 weeks the heart beats ___/day

Answer 6

3.3

Question 7

this is produced in the last 3 moths of gestation by type 2 alveolar cells, it prevents the collapse of alveoli and prevents fluid build up

Answer 7

surfactant

Question 8

vitamin needed for forming RBC and nervous system

Answer 8

B12 and folic acid

Question 9

vit. needed for bone matrix and CT

Answer 9

C

Question 10

vit. needed for normal bone growth

Answer 10

D

Question 11

vit. needed for early embryonic development

Answer 11

E

Question 12

vit. needed for liver to create normal clotting factors

Answer 12

K

Question 13

what are the 2 invasive methods for prenatal screening?

Answer 13

amniocentesis and chorionic villus

Question 14

this is a compound that can permanently deform the function or structure of a developing embryo or fetus

Answer 14

teratogens

Question 15

changes in pressure between left an right atria causes blood to flow backward through the

Answer 15

foramen ovale (left to right)

Question 16

a severe case of hyperbilirubinemia can cause severe CNS injury and is called

Answer 16

kernicterus