Exam 6 chapters 19-21

What fold of mebrane is sometimes found near the vaginal opening

• prepuce

• labia

• clitoris

• hymen

The uterine proliferative phase of the menstrual cycle occurs during

• the preovulatory phase

• the secretory phase

• ovulation

• menstruation

Which of the following is NOT true of sex linked disorders

• they are transmitted from mother to son

• they appear almost exclusively in males

• They are usually recesive traits

• They are usually carried on the Y chromosome

The hormone produced by embryonic cells that maintains the corpus luteum is

• leteinzing hormone

• human placental lactogen

• progesterone

• human chorionic gondotropin

An important factor in the initian of labor is a/n

• increase in maternal progesterone

• decrease in maternal oxytocin

• increase in maternal prostaglandins

• decrease in fetal cortisol

The term that describes a baby capable of living outside the uterus is

• stillborn

• viable

• ectopic

• preterm

The average length of gestation is

• three months

• 38 weeks

• 42 weeks

• one year

Identical twins

• develop from a single fertilized egg

• usually share an umbilical cord

• can be genetically distinct from each other

• all of the above are correct

Labor can be artifically initiated by the administration of

• progesterone

• oxytocin

• prolactin

• relaxin

Which of the following will activate the thirst center

• increased blood osmotic concentration

• decrease in blood sodium ion concentrations

• abnormally low urine output

• increased blood volume