Please answer all questions.

1			Within six days following fertilization, the blastocyst contains cells that are fated to become the infant.
			A)	True
			B)	False
2			Dizygotic twins share the same placenta and are identical.
			A)	True
			B)	False
3			There are two umbilical veins and one umbilical artery.
			A)	True
			B)	False
4			The vernix caseosa is the fine hair that covers the fetus.
			A)	True
			B)	False
5			The fetal alcohol syndrome is caused by the teratogenic effects of alcohol.
			A)	True
			B)	False
6			The rubella virus commonly causes deafness and visual deficits when contracted by a fetus.
			A)	True
			B)	False
7			The labioscrotal folds could become labia or scrotal skin in the fourth week.
			A)	True
			B)	False
8			A sudden increase in uterine size could indicate the development of a hydatid mole.
			A)	True
			B)	False
9			The ossification of the skull is completed by full term.
			A)	True
			B)	False
10			Fetal hemoglobin is different from the adult and has a higher oxygen carrying capacity.
			A)	True
			B)	False
11			All of the fetal veins contain deoxygenated blood.
			A)	True
			B)	False
12			Because of the ductus arteriosus, greater amounts of oxygenated blood can travel to the brain.
			A)	True
			B)	False
13			The number of umbilical arteries is directly related to the structure of the fetal internal circulatory system.
			A)	True
			B)	False
14			Infant respiratory distress syndrome is less common if the mother had normal labor and delivery.
			A)	True
			B)	False
15			The kidneys of a neonate are immature and therefore do not excrete large amounts of water.
			A)	True
			B)	False
16			The fossa ovalis is the depression in the heart that was the foramen ovale.
			A)	True
			B)	False
17			The ligamentum arteriosum forms in the neonate as a remnant of the ductus arteriosus.
			A)	True
			B)	False
18			Heart failure is a common form of death in the first neonatal month.
			A)	True
			B)	False
19			Childhood typically ends when the person is six years of age.
			A)	True
			B)	False
20			The average female has a shorter adolescent period than males?
			A)	True
			B)	False
21			Females are taller and stronger than males when they are both in early adolescence.
			A)	True
			B)	False
22			Older persons require fewer calories and can survive well on small portions of food.
			A)	True
			B)	False
23			Older persons have a reduced capacity to prevent infection.
			A)	True
			B)	False
24			Senescence usually ends in death because of neurological changes and degeneration.
			A)	True
			B)	False
25			The human life span and life expectancy have both increased in the last one thousand years.
			A)	True
			B)	False
26			Collagen synthesis decreases with age and the collagen molecules become soft and degenerated.
			A)	True
			B)	False
27			Exposure to sunlight and other forms of radiation may increase the rate of aging.
			A)	True
			B)	False
28			The study of abnormal fetal development is teratology.
			A)	True
			B)	False
29			The umbilical cord contains maternal and fetal components.
			A)	True
			B)	False
30			Amniocentesis is a technique for examining the genetics of fetal skin cells.
			A)	True
			B)	False
31			Postpartum meconium refers to the discharge of fluid from the skin or lungs.
			A)	True
			B)	False
32			The amount of elastic fibers increases during the aging process causing the lung tissue to regress and constrict.
			A)	True
			B)	False
33			The cardiovascular system increases the synthesis of some lipids during the aging process.
			A)	True
			B)	False
34			The placenta is comprised of maternal and fetal portions.
			A)	True
			B)	False
35			The inner cell mass of the blastocyst will become the extraembryonic membranes and part of placenta.
			A)	True
			B)	False